VERSION = 4
PATCHLEVEL = 4
-SUBLEVEL = 105
+SUBLEVEL = 106
EXTRAVERSION =
NAME = Blurry Fish Butt
#endif
.endm
+ .macro bug, msg, line
+#ifdef CONFIG_THUMB2_KERNEL
+1: .inst 0xde02
+#else
+1: .inst 0xe7f001f2
+#endif
+#ifdef CONFIG_DEBUG_BUGVERBOSE
+ .pushsection .rodata.str, "aMS", %progbits, 1
+2: .asciz "\msg"
+ .popsection
+ .pushsection __bug_table, "aw"
+ .align 2
+ .word 1b, 2b
+ .hword \line
+ .popsection
+#endif
+ .endm
+
#endif /* __ASM_ASSEMBLER_H__ */
#else
#define VTTBR_X (5 - KVM_T0SZ)
#endif
-#define VTTBR_BADDR_SHIFT (VTTBR_X - 1)
-#define VTTBR_BADDR_MASK (((1LLU << (40 - VTTBR_X)) - 1) << VTTBR_BADDR_SHIFT)
+#define VTTBR_BADDR_MASK (((1LLU << (40 - VTTBR_X)) - 1) << VTTBR_X)
#define VTTBR_VMID_SHIFT (48LLU)
#define VTTBR_VMID_MASK (0xffLLU << VTTBR_VMID_SHIFT)
#define HSR_EC_IABT_HYP (0x21)
#define HSR_EC_DABT (0x24)
#define HSR_EC_DABT_HYP (0x25)
+#define HSR_EC_MAX (0x3f)
#define HSR_WFI_IS_WFE (1U << 0)
mov r2, sp
ldr r1, [r2, #\offset + S_PSR] @ get calling cpsr
ldr lr, [r2, #\offset + S_PC]! @ get pc
+ tst r1, #PSR_I_BIT | 0x0f
+ bne 1f
msr spsr_cxsf, r1 @ save in spsr_svc
#if defined(CONFIG_CPU_V6) || defined(CONFIG_CPU_32v6K)
@ We must avoid clrex due to Cortex-A15 erratum #830321
@ after ldm {}^
add sp, sp, #\offset + S_FRAME_SIZE
movs pc, lr @ return & move spsr_svc into cpsr
+1: bug "Returning to usermode but unexpected PSR bits set?", \@
#elif defined(CONFIG_CPU_V7M)
@ V7M restore.
@ Note that we don't need to do clrex here as clearing the local
ldr r1, [sp, #\offset + S_PSR] @ get calling cpsr
ldr lr, [sp, #\offset + S_PC] @ get pc
add sp, sp, #\offset + S_SP
+ tst r1, #PSR_I_BIT | 0x0f
+ bne 1f
msr spsr_cxsf, r1 @ save in spsr_svc
@ We must avoid clrex due to Cortex-A15 erratum #830321
.endif
add sp, sp, #S_FRAME_SIZE - S_SP
movs pc, lr @ return & move spsr_svc into cpsr
+1: bug "Returning to usermode but unexpected PSR bits set?", \@
#endif /* !CONFIG_THUMB2_KERNEL */
.endm
return 1;
}
+static int kvm_handle_unknown_ec(struct kvm_vcpu *vcpu, struct kvm_run *run)
+{
+ u32 hsr = kvm_vcpu_get_hsr(vcpu);
+
+ kvm_pr_unimpl("Unknown exception class: hsr: %#08x\n",
+ hsr);
+
+ kvm_inject_undefined(vcpu);
+ return 1;
+}
+
static exit_handle_fn arm_exit_handlers[] = {
+ [0 ... HSR_EC_MAX] = kvm_handle_unknown_ec,
[HSR_EC_WFI] = kvm_handle_wfx,
[HSR_EC_CP15_32] = kvm_handle_cp15_32,
[HSR_EC_CP15_64] = kvm_handle_cp15_64,
{
u8 hsr_ec = kvm_vcpu_trap_get_class(vcpu);
- if (hsr_ec >= ARRAY_SIZE(arm_exit_handlers) ||
- !arm_exit_handlers[hsr_ec]) {
- kvm_err("Unknown exception class: hsr: %#08x\n",
- (unsigned int)kvm_vcpu_get_hsr(vcpu));
- BUG();
- }
-
return arm_exit_handlers[hsr_ec];
}
return ret;
}
-void gpmc_onenand_init(struct omap_onenand_platform_data *_onenand_data)
+int gpmc_onenand_init(struct omap_onenand_platform_data *_onenand_data)
{
int err;
struct device *dev = &gpmc_onenand_device.dev;
if (err < 0) {
dev_err(dev, "Cannot request GPMC CS %d, error %d\n",
gpmc_onenand_data->cs, err);
- return;
+ return err;
}
gpmc_onenand_resource.end = gpmc_onenand_resource.start +
ONENAND_IO_SIZE - 1;
- if (platform_device_register(&gpmc_onenand_device) < 0) {
+ err = platform_device_register(&gpmc_onenand_device);
+ if (err) {
dev_err(dev, "Unable to register OneNAND device\n");
gpmc_cs_free(gpmc_onenand_data->cs);
- return;
}
+
+ return err;
}
* Return: 0 if device named @dev_name is not likely to be accessible,
* or 1 if it is likely to be accessible.
*/
-static int __init omap3xxx_hwmod_is_hs_ip_block_usable(struct device_node *bus,
- const char *dev_name)
+static bool __init omap3xxx_hwmod_is_hs_ip_block_usable(struct device_node *bus,
+ const char *dev_name)
{
+ struct device_node *node;
+ bool available;
+
if (!bus)
- return (omap_type() == OMAP2_DEVICE_TYPE_GP) ? 1 : 0;
+ return omap_type() == OMAP2_DEVICE_TYPE_GP;
- if (of_device_is_available(of_find_node_by_name(bus, dev_name)))
- return 1;
+ node = of_get_child_by_name(bus, dev_name);
+ available = of_device_is_available(node);
+ of_node_put(node);
- return 0;
+ return available;
}
int __init omap3xxx_hwmod_init(void)
if (h_sham && omap3xxx_hwmod_is_hs_ip_block_usable(bus, "sham")) {
r = omap_hwmod_register_links(h_sham);
- if (r < 0)
+ if (r < 0) {
+ of_node_put(bus);
return r;
+ }
}
if (h_aes && omap3xxx_hwmod_is_hs_ip_block_usable(bus, "aes")) {
r = omap_hwmod_register_links(h_aes);
- if (r < 0)
+ if (r < 0) {
+ of_node_put(bus);
return r;
+ }
}
+ of_node_put(bus);
/*
* Register hwmod links specific to certain ES levels of a
#define VTTBR_X (37 - VTCR_EL2_T0SZ_40B)
#endif
-#define VTTBR_BADDR_SHIFT (VTTBR_X - 1)
-#define VTTBR_BADDR_MASK (((UL(1) << (PHYS_MASK_SHIFT - VTTBR_X)) - 1) << VTTBR_BADDR_SHIFT)
+#define VTTBR_BADDR_MASK (((UL(1) << (PHYS_MASK_SHIFT - VTTBR_X)) - 1) << VTTBR_X)
#define VTTBR_VMID_SHIFT (UL(48))
#define VTTBR_VMID_MASK (UL(0xFF) << VTTBR_VMID_SHIFT)
memset(&p->thread.cpu_context, 0, sizeof(struct cpu_context));
+ /*
+ * In case p was allocated the same task_struct pointer as some
+ * other recently-exited task, make sure p is disassociated from
+ * any cpu that may have run that now-exited task recently.
+ * Otherwise we could erroneously skip reloading the FPSIMD
+ * registers for p.
+ */
+ fpsimd_flush_task_state(p);
+
if (likely(!(p->flags & PF_KTHREAD))) {
*childregs = *current_pt_regs();
childregs->regs[0] = 0;
return ret;
}
+static int kvm_handle_unknown_ec(struct kvm_vcpu *vcpu, struct kvm_run *run)
+{
+ u32 hsr = kvm_vcpu_get_hsr(vcpu);
+
+ kvm_pr_unimpl("Unknown exception class: hsr: %#08x -- %s\n",
+ hsr, esr_get_class_string(hsr));
+
+ kvm_inject_undefined(vcpu);
+ return 1;
+}
+
static exit_handle_fn arm_exit_handlers[] = {
+ [0 ... ESR_ELx_EC_MAX] = kvm_handle_unknown_ec,
[ESR_ELx_EC_WFx] = kvm_handle_wfx,
[ESR_ELx_EC_CP15_32] = kvm_handle_cp15_32,
[ESR_ELx_EC_CP15_64] = kvm_handle_cp15_64,
u32 hsr = kvm_vcpu_get_hsr(vcpu);
u8 hsr_ec = hsr >> ESR_ELx_EC_SHIFT;
- if (hsr_ec >= ARRAY_SIZE(arm_exit_handlers) ||
- !arm_exit_handlers[hsr_ec]) {
- kvm_err("Unknown exception class: hsr: %#08x -- %s\n",
- hsr, esr_get_class_string(hsr));
- BUG();
- }
-
return arm_exit_handlers[hsr_ec];
}
level_shift = entries_shift + 3;
level_shift = max_t(unsigned, level_shift, PAGE_SHIFT);
+ if ((level_shift - 3) * levels + page_shift >= 60)
+ return -EINVAL;
+
/* Allocate TCE table */
addr = pnv_pci_ioda2_table_do_alloc_pages(nid, level_shift,
levels, tce_table_size, &offset, &total_allocated);
if (bank->disk->major > 0)
unregister_blkdev(bank->disk->major,
bank->disk->disk_name);
- del_gendisk(bank->disk);
+ if (bank->disk->flags & GENHD_FL_UP)
+ del_gendisk(bank->disk);
+ put_disk(bank->disk);
}
device->dev.platform_data = NULL;
if (bank->io_addr != 0)
device_remove_file(&device->dev, &dev_attr_ecc);
free_irq(bank->irq_id, device);
del_gendisk(bank->disk);
+ put_disk(bank->disk);
iounmap((void __iomem *) bank->io_addr);
kfree(bank);
+++ /dev/null
-#ifndef _ASM_S390_PROTOTYPES_H
-
-#include <linux/kvm_host.h>
-#include <linux/ftrace.h>
-#include <asm/fpu/api.h>
-#include <asm-generic/asm-prototypes.h>
-
-#endif /* _ASM_S390_PROTOTYPES_H */
}
#define switch_to(prev,next,last) do { \
- if (prev->mm) { \
- save_fpu_regs(); \
- save_access_regs(&prev->thread.acrs[0]); \
- save_ri_cb(prev->thread.ri_cb); \
- } \
+ /* save_fpu_regs() sets the CIF_FPU flag, which enforces \
+ * a restore of the floating point / vector registers as \
+ * soon as the next task returns to user space \
+ */ \
+ save_fpu_regs(); \
+ save_access_regs(&prev->thread.acrs[0]); \
+ save_ri_cb(prev->thread.ri_cb); \
update_cr_regs(next); \
- if (next->mm) { \
- set_cpu_flag(CIF_FPU); \
- restore_access_regs(&next->thread.acrs[0]); \
- restore_ri_cb(next->thread.ri_cb, prev->thread.ri_cb); \
- } \
+ restore_access_regs(&next->thread.acrs[0]); \
+ restore_ri_cb(next->thread.ri_cb, prev->thread.ri_cb); \
prev = __switch_to(prev,next); \
} while (0)
SYSCALL(sys_sendmmsg,compat_sys_sendmmsg)
SYSCALL(sys_socket,sys_socket)
SYSCALL(sys_socketpair,compat_sys_socketpair) /* 360 */
-SYSCALL(sys_bind,sys_bind)
-SYSCALL(sys_connect,sys_connect)
+SYSCALL(sys_bind,compat_sys_bind)
+SYSCALL(sys_connect,compat_sys_connect)
SYSCALL(sys_listen,sys_listen)
-SYSCALL(sys_accept4,sys_accept4)
+SYSCALL(sys_accept4,compat_sys_accept4)
SYSCALL(sys_getsockopt,compat_sys_getsockopt) /* 365 */
SYSCALL(sys_setsockopt,compat_sys_setsockopt)
SYSCALL(sys_getsockname,compat_sys_getsockname)
{
high_memory = __va(last_valid_pfn << PAGE_SHIFT);
- register_page_bootmem_info();
free_all_bootmem();
/*
+ * Must be done after boot memory is put on freelist, because here we
+ * might set fields in deferred struct pages that have not yet been
+ * initialized, and free_all_bootmem() initializes all the reserved
+ * deferred pages for us.
+ */
+ register_page_bootmem_info();
+
+ /*
* Set up the zero page, mark it reserved, so that page count
* is not manipulated when freeing the page from user ptes.
*/
#include <asm/fpu/api.h>
#include <asm/pgtable.h>
-#include <asm/tlb.h>
/*
* We map the EFI regions needed for runtime services non-contiguously,
#define efi_call_phys(f, args...) efi_call((f), args)
-/*
- * Scratch space used for switching the pagetable in the EFI stub
- */
-struct efi_scratch {
- u64 r15;
- u64 prev_cr3;
- pgd_t *efi_pgt;
- bool use_pgd;
- u64 phys_stack;
-} __packed;
-
#define efi_call_virt(f, ...) \
({ \
efi_status_t __s; \
efi_sync_low_kernel_mappings(); \
preempt_disable(); \
__kernel_fpu_begin(); \
- \
- if (efi_scratch.use_pgd) { \
- efi_scratch.prev_cr3 = read_cr3(); \
- write_cr3((unsigned long)efi_scratch.efi_pgt); \
- __flush_tlb_all(); \
- } \
- \
__s = efi_call((void *)efi.systab->runtime->f, __VA_ARGS__); \
- \
- if (efi_scratch.use_pgd) { \
- write_cr3(efi_scratch.prev_cr3); \
- __flush_tlb_all(); \
- } \
- \
__kernel_fpu_end(); \
preempt_enable(); \
__s; \
extern void __init efi_map_region(efi_memory_desc_t *md);
extern void __init efi_map_region_fixed(efi_memory_desc_t *md);
extern void efi_sync_low_kernel_mappings(void);
-extern int __init efi_alloc_page_tables(void);
extern int __init efi_setup_page_tables(unsigned long pa_memmap, unsigned num_pages);
extern void __init efi_cleanup_page_tables(unsigned long pa_memmap, unsigned num_pages);
extern void __init old_map_region(efi_memory_desc_t *md);
irq_domain_deactivate_irq(irq_get_irq_data(hdev->irq));
irq_domain_activate_irq(irq_get_irq_data(hdev->irq));
- disable_irq(hdev->irq);
+ disable_hardirq(hdev->irq);
irq_set_affinity(hdev->irq, cpumask_of(hdev->cpu));
enable_irq(hdev->irq);
}
memset(vmx_vmread_bitmap, 0xff, PAGE_SIZE);
memset(vmx_vmwrite_bitmap, 0xff, PAGE_SIZE);
- /*
- * Allow direct access to the PC debug port (it is often used for I/O
- * delays, but the vmexits simply slow things down).
- */
memset(vmx_io_bitmap_a, 0xff, PAGE_SIZE);
- clear_bit(0x80, vmx_io_bitmap_a);
memset(vmx_io_bitmap_b, 0xff, PAGE_SIZE);
static int handle_vmclear(struct kvm_vcpu *vcpu)
{
struct vcpu_vmx *vmx = to_vmx(vcpu);
+ u32 zero = 0;
gpa_t vmptr;
- struct vmcs12 *vmcs12;
- struct page *page;
if (!nested_vmx_check_permission(vcpu))
return 1;
if (vmptr == vmx->nested.current_vmptr)
nested_release_vmcs12(vmx);
- page = nested_get_page(vcpu, vmptr);
- if (page == NULL) {
- /*
- * For accurate processor emulation, VMCLEAR beyond available
- * physical memory should do nothing at all. However, it is
- * possible that a nested vmx bug, not a guest hypervisor bug,
- * resulted in this case, so let's shut down before doing any
- * more damage:
- */
- kvm_make_request(KVM_REQ_TRIPLE_FAULT, vcpu);
- return 1;
- }
- vmcs12 = kmap(page);
- vmcs12->launch_state = 0;
- kunmap(page);
- nested_release_page(page);
+ kvm_vcpu_write_guest(vcpu,
+ vmptr + offsetof(struct vmcs12, launch_state),
+ &zero, sizeof(zero));
nested_free_vmcs02(vmx, vmptr);
*/
static void vmx_leave_nested(struct kvm_vcpu *vcpu)
{
- if (is_guest_mode(vcpu))
+ if (is_guest_mode(vcpu)) {
+ to_vmx(vcpu)->nested.nested_run_pending = 0;
nested_vmx_vmexit(vcpu, -1, 0, 0);
+ }
free_nested(to_vmx(vcpu));
}
pte = pte_offset_kernel(pmd, start);
while (num_pages-- && start < end) {
- set_pte(pte, pfn_pte(cpa->pfn, pgprot));
+
+ /* deal with the NX bit */
+ if (!(pgprot_val(pgprot) & _PAGE_NX))
+ cpa->pfn &= ~_PAGE_NX;
+
+ set_pte(pte, pfn_pte(cpa->pfn >> PAGE_SHIFT, pgprot));
start += PAGE_SIZE;
- cpa->pfn++;
+ cpa->pfn += PAGE_SIZE;
pte++;
}
}
pmd = pmd_offset(pud, start);
- set_pmd(pmd, __pmd(cpa->pfn << PAGE_SHIFT | _PAGE_PSE |
+ set_pmd(pmd, __pmd(cpa->pfn | _PAGE_PSE |
massage_pgprot(pmd_pgprot)));
start += PMD_SIZE;
- cpa->pfn += PMD_SIZE >> PAGE_SHIFT;
+ cpa->pfn += PMD_SIZE;
cur_pages += PMD_SIZE >> PAGE_SHIFT;
}
* Map everything starting from the Gb boundary, possibly with 1G pages
*/
while (end - start >= PUD_SIZE) {
- set_pud(pud, __pud(cpa->pfn << PAGE_SHIFT | _PAGE_PSE |
+ set_pud(pud, __pud(cpa->pfn | _PAGE_PSE |
massage_pgprot(pud_pgprot)));
start += PUD_SIZE;
- cpa->pfn += PUD_SIZE >> PAGE_SHIFT;
+ cpa->pfn += PUD_SIZE;
cur_pages += PUD_SIZE >> PAGE_SHIFT;
pud++;
}
* We should get host bridge information from ACPI unless the BIOS
* doesn't support it.
*/
- if (acpi_os_get_root_pointer())
+ if (!acpi_disabled && acpi_os_get_root_pointer())
return 0;
#endif
* This function will switch the EFI runtime services to virtual mode.
* Essentially, we look through the EFI memmap and map every region that
* has the runtime attribute bit set in its memory descriptor into the
- * efi_pgd page table.
+ * ->trampoline_pgd page table using a top-down VA allocation scheme.
*
* The old method which used to update that memory descriptor with the
* virtual address obtained from ioremap() is still supported when the
*
* The new method does a pagetable switch in a preemption-safe manner
* so that we're in a different address space when calling a runtime
- * function. For function arguments passing we do copy the PUDs of the
- * kernel page table into efi_pgd prior to each call.
+ * function. For function arguments passing we do copy the PGDs of the
+ * kernel page table into ->trampoline_pgd prior to each call.
*
* Specially for kexec boot, efi runtime maps in previous kernel should
* be passed in via setup_data. In that case runtime ranges will be mapped
efi.systab = NULL;
- if (efi_alloc_page_tables()) {
- pr_err("Failed to allocate EFI page tables\n");
- clear_bit(EFI_RUNTIME_SERVICES, &efi.flags);
- return;
- }
-
efi_merge_regions();
new_memmap = efi_map_regions(&count, &pg_shift);
if (!new_memmap) {
efi_runtime_mkexec();
/*
- * We mapped the descriptor array into the EFI pagetable above
- * but we're not unmapping it here because if we're running in
- * EFI mixed mode we need all of memory to be accessible when
- * we pass parameters to the EFI runtime services in the
- * thunking code.
+ * We mapped the descriptor array into the EFI pagetable above but we're
+ * not unmapping it here. Here's why:
+ *
+ * We're copying select PGDs from the kernel page table to the EFI page
+ * table and when we do so and make changes to those PGDs like unmapping
+ * stuff from them, those changes appear in the kernel page table and we
+ * go boom.
+ *
+ * From setup_real_mode():
+ *
+ * ...
+ * trampoline_pgd[0] = init_level4_pgt[pgd_index(__PAGE_OFFSET)].pgd;
+ *
+ * In this particular case, our allocation is in PGD 0 of the EFI page
+ * table but we've copied that PGD from PGD[272] of the EFI page table:
+ *
+ * pgd_index(__PAGE_OFFSET = 0xffff880000000000) = 272
+ *
+ * where the direct memory mapping in kernel space is.
+ *
+ * new_memmap's VA comes from that direct mapping and thus clearing it,
+ * it would get cleared in the kernel page table too.
*
* efi_cleanup_page_tables(__pa(new_memmap), 1 << pg_shift);
*/
* say 0 - 3G.
*/
-int __init efi_alloc_page_tables(void)
-{
- return 0;
-}
-
void efi_sync_low_kernel_mappings(void) {}
void __init efi_dump_pagetable(void) {}
int __init efi_setup_page_tables(unsigned long pa_memmap, unsigned num_pages)
#include <asm/fixmap.h>
#include <asm/realmode.h>
#include <asm/time.h>
-#include <asm/pgalloc.h>
/*
* We allocate runtime services regions bottom-up, starting from -4G, i.e.
*/
static u64 efi_va = EFI_VA_START;
-struct efi_scratch efi_scratch;
+/*
+ * Scratch space used for switching the pagetable in the EFI stub
+ */
+struct efi_scratch {
+ u64 r15;
+ u64 prev_cr3;
+ pgd_t *efi_pgt;
+ bool use_pgd;
+ u64 phys_stack;
+} __packed;
static void __init early_code_mapping_set_exec(int executable)
{
int pgd;
int n_pgds;
- if (!efi_enabled(EFI_OLD_MEMMAP)) {
- save_pgd = (pgd_t *)read_cr3();
- write_cr3((unsigned long)efi_scratch.efi_pgt);
- goto out;
- }
+ if (!efi_enabled(EFI_OLD_MEMMAP))
+ return NULL;
early_code_mapping_set_exec(1);
vaddress = (unsigned long)__va(pgd * PGDIR_SIZE);
set_pgd(pgd_offset_k(pgd * PGDIR_SIZE), *pgd_offset_k(vaddress));
}
-out:
__flush_tlb_all();
return save_pgd;
int pgd_idx;
int nr_pgds;
- if (!efi_enabled(EFI_OLD_MEMMAP)) {
- write_cr3((unsigned long)save_pgd);
- __flush_tlb_all();
+ if (!save_pgd)
return;
- }
nr_pgds = DIV_ROUND_UP((max_pfn << PAGE_SHIFT) , PGDIR_SIZE);
early_code_mapping_set_exec(0);
}
-static pgd_t *efi_pgd;
-
-/*
- * We need our own copy of the higher levels of the page tables
- * because we want to avoid inserting EFI region mappings (EFI_VA_END
- * to EFI_VA_START) into the standard kernel page tables. Everything
- * else can be shared, see efi_sync_low_kernel_mappings().
- */
-int __init efi_alloc_page_tables(void)
-{
- pgd_t *pgd;
- pud_t *pud;
- gfp_t gfp_mask;
-
- if (efi_enabled(EFI_OLD_MEMMAP))
- return 0;
-
- gfp_mask = GFP_KERNEL | __GFP_NOTRACK | __GFP_REPEAT | __GFP_ZERO;
- efi_pgd = (pgd_t *)__get_free_page(gfp_mask);
- if (!efi_pgd)
- return -ENOMEM;
-
- pgd = efi_pgd + pgd_index(EFI_VA_END);
-
- pud = pud_alloc_one(NULL, 0);
- if (!pud) {
- free_page((unsigned long)efi_pgd);
- return -ENOMEM;
- }
-
- pgd_populate(NULL, pgd, pud);
-
- return 0;
-}
-
/*
* Add low kernel mappings for passing arguments to EFI functions.
*/
void efi_sync_low_kernel_mappings(void)
{
- unsigned num_entries;
- pgd_t *pgd_k, *pgd_efi;
- pud_t *pud_k, *pud_efi;
+ unsigned num_pgds;
+ pgd_t *pgd = (pgd_t *)__va(real_mode_header->trampoline_pgd);
if (efi_enabled(EFI_OLD_MEMMAP))
return;
- /*
- * We can share all PGD entries apart from the one entry that
- * covers the EFI runtime mapping space.
- *
- * Make sure the EFI runtime region mappings are guaranteed to
- * only span a single PGD entry and that the entry also maps
- * other important kernel regions.
- */
- BUILD_BUG_ON(pgd_index(EFI_VA_END) != pgd_index(MODULES_END));
- BUILD_BUG_ON((EFI_VA_START & PGDIR_MASK) !=
- (EFI_VA_END & PGDIR_MASK));
-
- pgd_efi = efi_pgd + pgd_index(PAGE_OFFSET);
- pgd_k = pgd_offset_k(PAGE_OFFSET);
+ num_pgds = pgd_index(MODULES_END - 1) - pgd_index(PAGE_OFFSET);
- num_entries = pgd_index(EFI_VA_END) - pgd_index(PAGE_OFFSET);
- memcpy(pgd_efi, pgd_k, sizeof(pgd_t) * num_entries);
-
- /*
- * We share all the PUD entries apart from those that map the
- * EFI regions. Copy around them.
- */
- BUILD_BUG_ON((EFI_VA_START & ~PUD_MASK) != 0);
- BUILD_BUG_ON((EFI_VA_END & ~PUD_MASK) != 0);
-
- pgd_efi = efi_pgd + pgd_index(EFI_VA_END);
- pud_efi = pud_offset(pgd_efi, 0);
-
- pgd_k = pgd_offset_k(EFI_VA_END);
- pud_k = pud_offset(pgd_k, 0);
-
- num_entries = pud_index(EFI_VA_END);
- memcpy(pud_efi, pud_k, sizeof(pud_t) * num_entries);
-
- pud_efi = pud_offset(pgd_efi, EFI_VA_START);
- pud_k = pud_offset(pgd_k, EFI_VA_START);
-
- num_entries = PTRS_PER_PUD - pud_index(EFI_VA_START);
- memcpy(pud_efi, pud_k, sizeof(pud_t) * num_entries);
+ memcpy(pgd + pgd_index(PAGE_OFFSET),
+ init_mm.pgd + pgd_index(PAGE_OFFSET),
+ sizeof(pgd_t) * num_pgds);
}
int __init efi_setup_page_tables(unsigned long pa_memmap, unsigned num_pages)
{
- unsigned long pfn, text;
+ unsigned long text;
struct page *page;
unsigned npages;
pgd_t *pgd;
if (efi_enabled(EFI_OLD_MEMMAP))
return 0;
- efi_scratch.efi_pgt = (pgd_t *)__pa(efi_pgd);
- pgd = efi_pgd;
+ efi_scratch.efi_pgt = (pgd_t *)(unsigned long)real_mode_header->trampoline_pgd;
+ pgd = __va(efi_scratch.efi_pgt);
/*
* It can happen that the physical address of new_memmap lands in memory
* and ident-map those pages containing the map before calling
* phys_efi_set_virtual_address_map().
*/
- pfn = pa_memmap >> PAGE_SHIFT;
- if (kernel_map_pages_in_pgd(pgd, pfn, pa_memmap, num_pages, _PAGE_NX)) {
+ if (kernel_map_pages_in_pgd(pgd, pa_memmap, pa_memmap, num_pages, _PAGE_NX)) {
pr_err("Error ident-mapping new memmap (0x%lx)!\n", pa_memmap);
return 1;
}
npages = (_end - _text) >> PAGE_SHIFT;
text = __pa(_text);
- pfn = text >> PAGE_SHIFT;
- if (kernel_map_pages_in_pgd(pgd, pfn, text, npages, 0)) {
+ if (kernel_map_pages_in_pgd(pgd, text >> PAGE_SHIFT, text, npages, 0)) {
pr_err("Failed to map kernel text 1:1\n");
return 1;
}
void __init efi_cleanup_page_tables(unsigned long pa_memmap, unsigned num_pages)
{
- kernel_unmap_pages_in_pgd(efi_pgd, pa_memmap, num_pages);
+ pgd_t *pgd = (pgd_t *)__va(real_mode_header->trampoline_pgd);
+
+ kernel_unmap_pages_in_pgd(pgd, pa_memmap, num_pages);
}
static void __init __map_region(efi_memory_desc_t *md, u64 va)
{
- unsigned long flags = 0;
- unsigned long pfn;
- pgd_t *pgd = efi_pgd;
+ pgd_t *pgd = (pgd_t *)__va(real_mode_header->trampoline_pgd);
+ unsigned long pf = 0;
if (!(md->attribute & EFI_MEMORY_WB))
- flags |= _PAGE_PCD;
+ pf |= _PAGE_PCD;
- pfn = md->phys_addr >> PAGE_SHIFT;
- if (kernel_map_pages_in_pgd(pgd, pfn, va, md->num_pages, flags))
+ if (kernel_map_pages_in_pgd(pgd, md->phys_addr, va, md->num_pages, pf))
pr_warn("Error mapping PA 0x%llx -> VA 0x%llx!\n",
md->phys_addr, va);
}
void __init efi_dump_pagetable(void)
{
#ifdef CONFIG_EFI_PGT_DUMP
- ptdump_walk_pgd_level(NULL, efi_pgd);
+ pgd_t *pgd = (pgd_t *)__va(real_mode_header->trampoline_pgd);
+
+ ptdump_walk_pgd_level(NULL, pgd);
#endif
}
mov %rsi, %cr0; \
mov (%rsp), %rsp
+ /* stolen from gcc */
+ .macro FLUSH_TLB_ALL
+ movq %r15, efi_scratch(%rip)
+ movq %r14, efi_scratch+8(%rip)
+ movq %cr4, %r15
+ movq %r15, %r14
+ andb $0x7f, %r14b
+ movq %r14, %cr4
+ movq %r15, %cr4
+ movq efi_scratch+8(%rip), %r14
+ movq efi_scratch(%rip), %r15
+ .endm
+
+ .macro SWITCH_PGT
+ cmpb $0, efi_scratch+24(%rip)
+ je 1f
+ movq %r15, efi_scratch(%rip) # r15
+ # save previous CR3
+ movq %cr3, %r15
+ movq %r15, efi_scratch+8(%rip) # prev_cr3
+ movq efi_scratch+16(%rip), %r15 # EFI pgt
+ movq %r15, %cr3
+ 1:
+ .endm
+
+ .macro RESTORE_PGT
+ cmpb $0, efi_scratch+24(%rip)
+ je 2f
+ movq efi_scratch+8(%rip), %r15
+ movq %r15, %cr3
+ movq efi_scratch(%rip), %r15
+ FLUSH_TLB_ALL
+ 2:
+ .endm
+
ENTRY(efi_call)
SAVE_XMM
mov (%rsp), %rax
mov %r8, %r9
mov %rcx, %r8
mov %rsi, %rcx
+ SWITCH_PGT
call *%rdi
+ RESTORE_PGT
addq $48, %rsp
RESTORE_XMM
ret
ENDPROC(efi_call)
+
+ .data
+ENTRY(efi_scratch)
+ .fill 3,8,0
+ .byte 0
+ .quad 0
int ret, offset;
struct iov_iter i;
struct iovec iov;
+ struct bio_vec *bvec;
iov_for_each(iov, i, *iter) {
unsigned long uaddr = (unsigned long) iov.iov_base;
ret = get_user_pages_fast(uaddr, local_nr_pages,
(iter->type & WRITE) != WRITE,
&pages[cur_page]);
- if (ret < local_nr_pages) {
+ if (unlikely(ret < local_nr_pages)) {
+ for (j = cur_page; j < page_limit; j++) {
+ if (!pages[j])
+ break;
+ put_page(pages[j]);
+ }
ret = -EFAULT;
goto out_unmap;
}
return bio;
out_unmap:
- for (j = 0; j < nr_pages; j++) {
- if (!pages[j])
- break;
- page_cache_release(pages[j]);
+ bio_for_each_segment_all(bvec, bio, j) {
+ put_page(bvec->bv_page);
}
out:
kfree(pages);
blk_queue_for_each_rl(rl, q) {
if (rl->rq_pool) {
- wake_up(&rl->wait[BLK_RW_SYNC]);
- wake_up(&rl->wait[BLK_RW_ASYNC]);
+ wake_up_all(&rl->wait[BLK_RW_SYNC]);
+ wake_up_all(&rl->wait[BLK_RW_ASYNC]);
}
}
}
ctx->cert->pub->pkey_algo = PKEY_ALGO_RSA;
/* Discard the BIT STRING metadata */
+ if (vlen < 1 || *(const u8 *)value != 0)
+ return -EBADMSG;
ctx->key = value + 1;
ctx->key_size = vlen - 1;
return 0;
break;
default:
- WARN_ON_ONCE(1);
return AC_ERR_SYSTEM;
}
return err;
out_free_irq:
- free_irq(dev->irq, dev);
+ free_irq(irq, dev);
out_free:
kfree(dev);
out_release:
{
struct isa_driver *isa_driver = dev->platform_data;
- if (isa_driver->probe)
+ if (isa_driver && isa_driver->probe)
return isa_driver->probe(dev, to_isa_dev(dev)->id);
return 0;
{
struct isa_driver *isa_driver = dev->platform_data;
- if (isa_driver->remove)
+ if (isa_driver && isa_driver->remove)
return isa_driver->remove(dev, to_isa_dev(dev)->id);
return 0;
{
struct isa_driver *isa_driver = dev->platform_data;
- if (isa_driver->shutdown)
+ if (isa_driver && isa_driver->shutdown)
isa_driver->shutdown(dev, to_isa_dev(dev)->id);
}
{
struct isa_driver *isa_driver = dev->platform_data;
- if (isa_driver->suspend)
+ if (isa_driver && isa_driver->suspend)
return isa_driver->suspend(dev, to_isa_dev(dev)->id, state);
return 0;
{
struct isa_driver *isa_driver = dev->platform_data;
- if (isa_driver->resume)
+ if (isa_driver && isa_driver->resume)
return isa_driver->resume(dev, to_isa_dev(dev)->id);
return 0;
blk_queue_io_min(zram->disk->queue, PAGE_SIZE);
blk_queue_io_opt(zram->disk->queue, PAGE_SIZE);
zram->disk->queue->limits.discard_granularity = PAGE_SIZE;
+ zram->disk->queue->limits.max_sectors = SECTORS_PER_PAGE;
+ zram->disk->queue->limits.chunk_sectors = 0;
blk_queue_max_discard_sectors(zram->disk->queue, UINT_MAX);
/*
* zram_bio_discard() will clear all logical blocks if logical block
/* The timer for this si. */
struct timer_list si_timer;
+ /* This flag is set, if the timer can be set */
+ bool timer_can_start;
+
/* This flag is set, if the timer is running (timer_pending() isn't enough) */
bool timer_running;
static void smi_mod_timer(struct smi_info *smi_info, unsigned long new_val)
{
+ if (!smi_info->timer_can_start)
+ return;
smi_info->last_timeout_jiffies = jiffies;
mod_timer(&smi_info->si_timer, new_val);
smi_info->timer_running = true;
smi_info->handlers->start_transaction(smi_info->si_sm, msg, size);
}
-static void start_check_enables(struct smi_info *smi_info, bool start_timer)
+static void start_check_enables(struct smi_info *smi_info)
{
unsigned char msg[2];
msg[0] = (IPMI_NETFN_APP_REQUEST << 2);
msg[1] = IPMI_GET_BMC_GLOBAL_ENABLES_CMD;
- if (start_timer)
- start_new_msg(smi_info, msg, 2);
- else
- smi_info->handlers->start_transaction(smi_info->si_sm, msg, 2);
+ start_new_msg(smi_info, msg, 2);
smi_info->si_state = SI_CHECKING_ENABLES;
}
-static void start_clear_flags(struct smi_info *smi_info, bool start_timer)
+static void start_clear_flags(struct smi_info *smi_info)
{
unsigned char msg[3];
msg[1] = IPMI_CLEAR_MSG_FLAGS_CMD;
msg[2] = WDT_PRE_TIMEOUT_INT;
- if (start_timer)
- start_new_msg(smi_info, msg, 3);
- else
- smi_info->handlers->start_transaction(smi_info->si_sm, msg, 3);
+ start_new_msg(smi_info, msg, 3);
smi_info->si_state = SI_CLEARING_FLAGS;
}
* Note that we cannot just use disable_irq(), since the interrupt may
* be shared.
*/
-static inline bool disable_si_irq(struct smi_info *smi_info, bool start_timer)
+static inline bool disable_si_irq(struct smi_info *smi_info)
{
if ((smi_info->irq) && (!smi_info->interrupt_disabled)) {
smi_info->interrupt_disabled = true;
- start_check_enables(smi_info, start_timer);
+ start_check_enables(smi_info);
return true;
}
return false;
{
if ((smi_info->irq) && (smi_info->interrupt_disabled)) {
smi_info->interrupt_disabled = false;
- start_check_enables(smi_info, true);
+ start_check_enables(smi_info);
return true;
}
return false;
msg = ipmi_alloc_smi_msg();
if (!msg) {
- if (!disable_si_irq(smi_info, true))
+ if (!disable_si_irq(smi_info))
smi_info->si_state = SI_NORMAL;
} else if (enable_si_irq(smi_info)) {
ipmi_free_smi_msg(msg);
/* Watchdog pre-timeout */
smi_inc_stat(smi_info, watchdog_pretimeouts);
- start_clear_flags(smi_info, true);
+ start_clear_flags(smi_info);
smi_info->msg_flags &= ~WDT_PRE_TIMEOUT_INT;
if (smi_info->intf)
ipmi_smi_watchdog_pretimeout(smi_info->intf);
* disable and messages disabled.
*/
if (smi_info->supports_event_msg_buff || smi_info->irq) {
- start_check_enables(smi_info, true);
+ start_check_enables(smi_info);
} else {
smi_info->curr_msg = alloc_msg_handle_irq(smi_info);
if (!smi_info->curr_msg)
/* Set up the timer that drives the interface. */
setup_timer(&new_smi->si_timer, smi_timeout, (long)new_smi);
+ new_smi->timer_can_start = true;
smi_mod_timer(new_smi, jiffies + SI_TIMEOUT_JIFFIES);
/* Try to claim any interrupts. */
check_set_rcv_irq(smi_info);
}
-static inline void wait_for_timer_and_thread(struct smi_info *smi_info)
+static inline void stop_timer_and_thread(struct smi_info *smi_info)
{
if (smi_info->thread != NULL)
kthread_stop(smi_info->thread);
+
+ smi_info->timer_can_start = false;
if (smi_info->timer_running)
del_timer_sync(&smi_info->si_timer);
}
* Start clearing the flags before we enable interrupts or the
* timer to avoid racing with the timer.
*/
- start_clear_flags(new_smi, false);
+ start_clear_flags(new_smi);
/*
* IRQ is defined to be set when non-zero. req_events will
return 0;
out_err_stop_timer:
- wait_for_timer_and_thread(new_smi);
+ stop_timer_and_thread(new_smi);
out_err:
new_smi->interrupt_disabled = true;
*/
if (to_clean->irq_cleanup)
to_clean->irq_cleanup(to_clean);
- wait_for_timer_and_thread(to_clean);
+ stop_timer_and_thread(to_clean);
/*
* Timeouts are stopped, now make sure the interrupts are off
poll(to_clean);
schedule_timeout_uninterruptible(1);
}
- disable_si_irq(to_clean, false);
+ disable_si_irq(to_clean);
while (to_clean->curr_msg || (to_clean->si_state != SI_NORMAL)) {
poll(to_clean);
schedule_timeout_uninterruptible(1);
dev_warn(dev, "feed control interrupt is not available.\n");
goto err_irq;
}
- err = devm_request_irq(dev, pdata->irq_fc, s5p_aes_interrupt,
- IRQF_SHARED, pdev->name, pdev);
+ err = devm_request_threaded_irq(dev, pdata->irq_fc, NULL,
+ s5p_aes_interrupt, IRQF_ONESHOT,
+ pdev->name, pdev);
if (err < 0) {
dev_warn(dev, "feed control interrupt is not available.\n");
goto err_irq;
#define NREC_RDWR(x) (((x)>>11) & 1)
#define NREC_RANK(x) (((x)>>8) & 0x7)
#define NRECMEMB 0xC0
-#define NREC_CAS(x) (((x)>>16) & 0xFFFFFF)
+#define NREC_CAS(x) (((x)>>16) & 0xFFF)
#define NREC_RAS(x) ((x) & 0x7FFF)
#define NRECFGLOG 0xC4
#define NREEECFBDA 0xC8
/* These registers are input ONLY if there was a
* Non-Recoverable Error */
u16 nrecmema; /* Non-Recoverable Mem log A */
- u16 nrecmemb; /* Non-Recoverable Mem log B */
+ u32 nrecmemb; /* Non-Recoverable Mem log B */
};
NERR_FAT_FBD, &info->nerr_fat_fbd);
pci_read_config_word(pvt->branchmap_werrors,
NRECMEMA, &info->nrecmema);
- pci_read_config_word(pvt->branchmap_werrors,
+ pci_read_config_dword(pvt->branchmap_werrors,
NRECMEMB, &info->nrecmemb);
/* Clear the error bits, by writing them back */
dimm->mtype = MEM_FB_DDR2;
/* ask what device type on this row */
- if (MTR_DRAM_WIDTH(mtr))
+ if (MTR_DRAM_WIDTH(mtr) == 8)
dimm->dtype = DEV_X8;
else
dimm->dtype = DEV_X4;
/* These registers are input ONLY if there was a Non-Rec Error */
u16 nrecmema; /* Non-Recoverable Mem log A */
- u16 nrecmemb; /* Non-Recoverable Mem log B */
+ u32 nrecmemb; /* Non-Recoverable Mem log B */
};
NERR_FAT_FBD, &info->nerr_fat_fbd);
pci_read_config_word(pvt->branchmap_werrors,
NRECMEMA, &info->nrecmema);
- pci_read_config_word(pvt->branchmap_werrors,
+ pci_read_config_dword(pvt->branchmap_werrors,
NRECMEMB, &info->nrecmemb);
/* Clear the error bits, by writing them back */
dimm->nr_pages = size_mb << 8;
dimm->grain = 8;
- dimm->dtype = MTR_DRAM_WIDTH(mtr) ? DEV_X8 : DEV_X4;
+ dimm->dtype = MTR_DRAM_WIDTH(mtr) == 8 ?
+ DEV_X8 : DEV_X4;
dimm->mtype = MEM_FB_DDR2;
/*
* The eccc mechanism is SDDC (aka SECC), with
* is similar to Chipkill.
*/
- dimm->edac_mode = MTR_DRAM_WIDTH(mtr) ?
+ dimm->edac_mode = MTR_DRAM_WIDTH(mtr) == 8 ?
EDAC_S8ECD8ED : EDAC_S4ECD4ED;
ndimms++;
}
return str - buf;
}
-static struct kobj_attribute efi_attr_systab =
- __ATTR(systab, 0400, systab_show, NULL);
+static struct kobj_attribute efi_attr_systab = __ATTR_RO_MODE(systab, 0400);
#define EFI_FIELD(var) efi.var
};
/* Generic ESRT Entry ("ESRE") support. */
-static ssize_t esre_fw_class_show(struct esre_entry *entry, char *buf)
+static ssize_t fw_class_show(struct esre_entry *entry, char *buf)
{
char *str = buf;
return str - buf;
}
-static struct esre_attribute esre_fw_class = __ATTR(fw_class, 0400,
- esre_fw_class_show, NULL);
+static struct esre_attribute esre_fw_class = __ATTR_RO_MODE(fw_class, 0400);
#define esre_attr_decl(name, size, fmt) \
-static ssize_t esre_##name##_show(struct esre_entry *entry, char *buf) \
+static ssize_t name##_show(struct esre_entry *entry, char *buf) \
{ \
return sprintf(buf, fmt "\n", \
le##size##_to_cpu(entry->esre.esre1->name)); \
} \
\
-static struct esre_attribute esre_##name = __ATTR(name, 0400, \
- esre_##name##_show, NULL)
+static struct esre_attribute esre_##name = __ATTR_RO_MODE(name, 0400)
esre_attr_decl(fw_type, 32, "%u");
esre_attr_decl(fw_version, 32, "%u");
/* support for displaying ESRT fields at the top level */
#define esrt_attr_decl(name, size, fmt) \
-static ssize_t esrt_##name##_show(struct kobject *kobj, \
+static ssize_t name##_show(struct kobject *kobj, \
struct kobj_attribute *attr, char *buf)\
{ \
return sprintf(buf, fmt "\n", le##size##_to_cpu(esrt->name)); \
} \
\
-static struct kobj_attribute esrt_##name = __ATTR(name, 0400, \
- esrt_##name##_show, NULL)
+static struct kobj_attribute esrt_##name = __ATTR_RO_MODE(name, 0400)
esrt_attr_decl(fw_resource_count, 32, "%u");
esrt_attr_decl(fw_resource_count_max, 32, "%u");
return map_attr->show(entry, buf);
}
-static struct map_attribute map_type_attr = __ATTR_RO(type);
-static struct map_attribute map_phys_addr_attr = __ATTR_RO(phys_addr);
-static struct map_attribute map_virt_addr_attr = __ATTR_RO(virt_addr);
-static struct map_attribute map_num_pages_attr = __ATTR_RO(num_pages);
-static struct map_attribute map_attribute_attr = __ATTR_RO(attribute);
+static struct map_attribute map_type_attr = __ATTR_RO_MODE(type, 0400);
+static struct map_attribute map_phys_addr_attr = __ATTR_RO_MODE(phys_addr, 0400);
+static struct map_attribute map_virt_addr_attr = __ATTR_RO_MODE(virt_addr, 0400);
+static struct map_attribute map_num_pages_attr = __ATTR_RO_MODE(num_pages, 0400);
+static struct map_attribute map_attribute_attr = __ATTR_RO_MODE(attribute, 0400);
/*
* These are default attributes that are added for every memmap entry.
altera_gc = to_altera(irq_data_get_irq_chip_data(d));
- if (type == IRQ_TYPE_NONE)
+ if (type == IRQ_TYPE_NONE) {
+ irq_set_handler_locked(d, handle_bad_irq);
return 0;
- if (type == IRQ_TYPE_LEVEL_HIGH &&
- altera_gc->interrupt_trigger == IRQ_TYPE_LEVEL_HIGH)
- return 0;
- if (type == IRQ_TYPE_EDGE_RISING &&
- altera_gc->interrupt_trigger == IRQ_TYPE_EDGE_RISING)
- return 0;
- if (type == IRQ_TYPE_EDGE_FALLING &&
- altera_gc->interrupt_trigger == IRQ_TYPE_EDGE_FALLING)
- return 0;
- if (type == IRQ_TYPE_EDGE_BOTH &&
- altera_gc->interrupt_trigger == IRQ_TYPE_EDGE_BOTH)
+ }
+ if (type == altera_gc->interrupt_trigger) {
+ if (type == IRQ_TYPE_LEVEL_HIGH)
+ irq_set_handler_locked(d, handle_level_irq);
+ else
+ irq_set_handler_locked(d, handle_simple_irq);
return 0;
-
+ }
+ irq_set_handler_locked(d, handle_bad_irq);
return -EINVAL;
}
chained_irq_exit(chip, desc);
}
-
static void altera_gpio_irq_leveL_high_handler(struct irq_desc *desc)
{
struct altera_gpio_chip *altera_gc;
altera_gc->interrupt_trigger = reg;
ret = gpiochip_irqchip_add(&altera_gc->mmchip.gc, &altera_irq_chip, 0,
- handle_simple_irq, IRQ_TYPE_NONE);
+ handle_bad_irq, IRQ_TYPE_NONE);
if (ret) {
dev_info(&pdev->dev, "could not add irqchip\n");
}
r = amdgpu_late_init(adev);
- if (r)
+ if (r) {
+ if (fbcon)
+ console_unlock();
return r;
+ }
/* pin cursors */
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
armada-$(CONFIG_DEBUG_FS) += armada_debugfs.o
obj-$(CONFIG_DRM_ARMADA) := armada.o
-
-CFLAGS_armada_trace.o := -I$(src)
if (IS_ERR(exynos_gem))
return exynos_gem;
+ if (!is_drm_iommu_supported(dev) && (flags & EXYNOS_BO_NONCONTIG)) {
+ /*
+ * when no IOMMU is available, all allocated buffers are
+ * contiguous anyway, so drop EXYNOS_BO_NONCONTIG flag
+ */
+ flags &= ~EXYNOS_BO_NONCONTIG;
+ DRM_WARN("Non-contiguous allocation is not supported without IOMMU, falling back to contiguous buffer\n");
+ }
+
/* set memory type and cache attribute from user side. */
exynos_gem->flags = flags;
Support for Cherry Cymotion keyboard.
config HID_CHICONY
- tristate "Chicony Tactical pad"
+ tristate "Chicony devices"
depends on HID
default !EXPERT
---help---
- Support for Chicony Tactical pad.
+ Support for Chicony Tactical pad and special keys on Chicony keyboards.
config HID_CORSAIR
tristate "Corsair devices"
{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_AK1D) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_ACER_SWITCH12) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_JESS, USB_DEVICE_ID_JESS_ZEN_AIO_KBD) },
{ }
};
MODULE_DEVICE_TABLE(hid, ch_devices);
{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081) },
{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A0C2) },
{ HID_USB_DEVICE(USB_VENDOR_ID_HUION, USB_DEVICE_ID_HUION_TABLET) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_JESS, USB_DEVICE_ID_JESS_ZEN_AIO_KBD) },
{ HID_USB_DEVICE(USB_VENDOR_ID_JESS2, USB_DEVICE_ID_JESS2_COLOR_RUMBLE_PAD) },
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ION, USB_DEVICE_ID_ICADE) },
{ HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) },
#define USB_VENDOR_ID_JESS 0x0c45
#define USB_DEVICE_ID_JESS_YUREX 0x1010
+#define USB_DEVICE_ID_JESS_ZEN_AIO_KBD 0x5112
#define USB_VENDOR_ID_JESS2 0x0f30
#define USB_DEVICE_ID_JESS2_COLOR_RUMBLE_PAD 0x0111
}
if (riic->is_last || riic->err) {
- riic_clear_set_bit(riic, 0, ICIER_SPIE, RIIC_ICIER);
+ riic_clear_set_bit(riic, ICIER_TEIE, ICIER_SPIE, RIIC_ICIER);
writeb(ICCR2_SP, riic->base + RIIC_ICCR2);
+ } else {
+ /* Transfer is complete, but do not send STOP */
+ riic_clear_set_bit(riic, ICIER_TEIE, 0, RIIC_ICIER);
+ complete(&riic->msg_done);
}
return IRQ_HANDLED;
context->mtu_msgmax = (IB_MTU_4096 << 5) |
ilog2(dev->dev->caps.max_gso_sz);
else
- context->mtu_msgmax = (IB_MTU_4096 << 5) | 12;
+ context->mtu_msgmax = (IB_MTU_4096 << 5) | 13;
} else if (attr_mask & IB_QP_PATH_MTU) {
if (attr->path_mtu < IB_MTU_256 || attr->path_mtu > IB_MTU_4096) {
pr_err("path MTU (%u) is invalid\n",
qp->real_qp = qp;
qp->uobject = NULL;
qp->qp_type = MLX5_IB_QPT_REG_UMR;
+ qp->send_cq = init_attr->send_cq;
+ qp->recv_cq = init_attr->recv_cq;
attr->qp_state = IB_QPS_INIT;
attr->port_num = 1;
uint64_t tmp;
if (!sg_res) {
+ unsigned int pgoff = sg->offset & ~PAGE_MASK;
+
sg_res = aligned_nrpages(sg->offset, sg->length);
- sg->dma_address = ((dma_addr_t)iov_pfn << VTD_PAGE_SHIFT) + sg->offset;
+ sg->dma_address = ((dma_addr_t)iov_pfn << VTD_PAGE_SHIFT) + pgoff;
sg->dma_length = sg->length;
- pteval = page_to_phys(sg_page(sg)) | prot;
+ pteval = (sg_phys(sg) - pgoff) | prot;
phys_pfn = pteval >> VTD_PAGE_SHIFT;
}
for_each_sg(sglist, sg, nelems, i) {
BUG_ON(!sg_page(sg));
- sg->dma_address = page_to_phys(sg_page(sg)) + sg->offset;
+ sg->dma_address = sg_phys(sg);
sg->dma_length = sg->length;
}
return nelems;
static int __init crossbar_of_init(struct device_node *node)
{
int i, size, reserved = 0;
- u32 max = 0, entry;
+ u32 max = 0, entry, reg_size;
const __be32 *irqsr;
int ret = -ENOMEM;
if (!cb->register_offsets)
goto err_irq_map;
- of_property_read_u32(node, "ti,reg-size", &size);
+ of_property_read_u32(node, "ti,reg-size", ®_size);
- switch (size) {
+ switch (reg_size) {
case 1:
cb->write = crossbar_writeb;
break;
continue;
cb->register_offsets[i] = reserved;
- reserved += size;
+ reserved += reg_size;
}
of_property_read_u32(node, "ti,irqs-safe-map", &cb->safe_map);
int dibusb_read_eeprom_byte(struct dvb_usb_device *d, u8 offs, u8 *val)
{
- u8 wbuf[1] = { offs };
- return dibusb_i2c_msg(d, 0x50, wbuf, 1, val, 1);
+ u8 *buf;
+ int rc;
+
+ buf = kmalloc(2, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+ buf[0] = offs;
+
+ rc = dibusb_i2c_msg(d, 0x50, &buf[0], 1, &buf[1], 1);
+ *val = buf[1];
+ kfree(buf);
+
+ return rc;
}
EXPORT_SYMBOL(dibusb_read_eeprom_byte);
if (!of_property_read_u32(child, "dma-channel", &val))
gpmc_onenand_data->dma_channel = val;
- gpmc_onenand_init(gpmc_onenand_data);
-
- return 0;
+ return gpmc_onenand_init(gpmc_onenand_data);
}
#else
static int gpmc_probe_onenand_child(struct platform_device *pdev,
mbx_mask = hecc_read(priv, HECC_CANMIM);
mbx_mask |= HECC_TX_MBOX_MASK;
hecc_write(priv, HECC_CANMIM, mbx_mask);
+ } else {
+ /* repoll is done only if whole budget is used */
+ num_pkts = quota;
}
return num_pkts;
case -ECONNRESET: /* unlink */
case -ENOENT:
+ case -EPIPE:
+ case -EPROTO:
case -ESHUTDOWN:
return;
break;
case -ENOENT:
+ case -EPIPE:
+ case -EPROTO:
case -ESHUTDOWN:
return;
}
if (pos + tmp->len > actual_len) {
- dev_err(dev->udev->dev.parent,
- "Format error\n");
+ dev_err_ratelimited(dev->udev->dev.parent,
+ "Format error\n");
break;
}
if (err) {
netdev_err(netdev, "Error transmitting URB\n");
usb_unanchor_urb(urb);
+ kfree(buf);
usb_free_urb(urb);
return err;
}
case 0:
break;
case -ENOENT:
+ case -EPIPE:
+ case -EPROTO:
case -ESHUTDOWN:
return;
default:
goto resubmit_urb;
}
- while (pos <= urb->actual_length - MSG_HEADER_LEN) {
+ while (pos <= (int)(urb->actual_length - MSG_HEADER_LEN)) {
msg = urb->transfer_buffer + pos;
/* The Kvaser firmware can only read and write messages that
}
if (pos + msg->len > urb->actual_length) {
- dev_err(dev->udev->dev.parent, "Format error\n");
+ dev_err_ratelimited(dev->udev->dev.parent,
+ "Format error\n");
break;
}
spin_unlock_irqrestore(&priv->tx_contexts_lock, flags);
usb_unanchor_urb(urb);
+ kfree(buf);
stats->tx_dropped++;
break;
case -ENOENT:
+ case -EPIPE:
+ case -EPROTO:
case -ESHUTDOWN:
return;
if (!netif_running(bp->dev)) {
DP(BNX2X_MSG_PTP,
"PTP adjfreq called while the interface is down\n");
- return -EFAULT;
+ return -ENETDOWN;
}
if (ppb < 0) {
{
struct bnx2x *bp = container_of(ptp, struct bnx2x, ptp_clock_info);
+ if (!netif_running(bp->dev)) {
+ DP(BNX2X_MSG_PTP,
+ "PTP adjtime called while the interface is down\n");
+ return -ENETDOWN;
+ }
+
DP(BNX2X_MSG_PTP, "PTP adjtime called, delta = %llx\n", delta);
timecounter_adjtime(&bp->timecounter, delta);
struct bnx2x *bp = container_of(ptp, struct bnx2x, ptp_clock_info);
u64 ns;
+ if (!netif_running(bp->dev)) {
+ DP(BNX2X_MSG_PTP,
+ "PTP gettime called while the interface is down\n");
+ return -ENETDOWN;
+ }
+
ns = timecounter_read(&bp->timecounter);
DP(BNX2X_MSG_PTP, "PTP gettime called, ns = %llu\n", ns);
struct bnx2x *bp = container_of(ptp, struct bnx2x, ptp_clock_info);
u64 ns;
+ if (!netif_running(bp->dev)) {
+ DP(BNX2X_MSG_PTP,
+ "PTP settime called while the interface is down\n");
+ return -ENETDOWN;
+ }
+
ns = timespec64_to_ns(ts);
DP(BNX2X_MSG_PTP, "PTP settime called, ns = %llu\n", ns);
/* Add/Remove the filter */
rc = bnx2x_config_vlan_mac(bp, &ramrod);
- if (rc && rc != -EEXIST) {
+ if (rc == -EEXIST)
+ return 0;
+ if (rc) {
BNX2X_ERR("Failed to %s %s\n",
filter->add ? "add" : "delete",
(filter->type == BNX2X_VF_FILTER_VLAN_MAC) ?
return rc;
}
+ filter->applied = true;
+
return 0;
}
BNX2X_ERR("Managed only %d/%d filters - rolling back\n",
i, filters->count + 1);
while (--i >= 0) {
+ if (!filters->filters[i].applied)
+ continue;
filters->filters[i].add = !filters->filters[i].add;
bnx2x_vf_mac_vlan_config(bp, vf, qid,
&filters->filters[i],
(BNX2X_VF_FILTER_MAC | BNX2X_VF_FILTER_VLAN) /*shortcut*/
bool add;
+ bool applied;
u8 *mac;
u16 vid;
};
struct bnx2x *bp = netdev_priv(dev);
struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters;
struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
- int rc, i = 0;
+ int rc = 0, i = 0;
struct netdev_hw_addr *ha;
if (bp->state != BNX2X_STATE_OPEN) {
/* Get Rx mode requested */
DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
+ /* We support PFVF_MAX_MULTICAST_PER_VF mcast addresses tops */
+ if (netdev_mc_count(dev) > PFVF_MAX_MULTICAST_PER_VF) {
+ DP(NETIF_MSG_IFUP,
+ "VF supports not more than %d multicast MAC addresses\n",
+ PFVF_MAX_MULTICAST_PER_VF);
+ rc = -EINVAL;
+ goto out;
+ }
+
netdev_for_each_mc_addr(ha, dev) {
DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n",
bnx2x_mc_addr(ha));
i++;
}
- /* We support four PFVF_MAX_MULTICAST_PER_VF mcast
- * addresses tops
- */
- if (i >= PFVF_MAX_MULTICAST_PER_VF) {
- DP(NETIF_MSG_IFUP,
- "VF supports not more than %d multicast MAC addresses\n",
- PFVF_MAX_MULTICAST_PER_VF);
- return -EINVAL;
- }
-
req->n_multicast = i;
req->flags |= VFPF_SET_Q_FILTERS_MULTICAST_CHANGED;
req->vf_qid = 0;
out:
bnx2x_vfpf_finalize(bp, &req->first_tlv);
- return 0;
+ return rc;
}
/* request pf to add a vlan for the vf */
struct dst_entry *dst;
int err, ret = NET_XMIT_DROP;
struct flowi6 fl6 = {
- .flowi6_iif = dev->ifindex,
+ .flowi6_oif = dev->ifindex,
.daddr = ip6h->daddr,
.saddr = ip6h->saddr,
.flowi6_flags = FLOWI_FLAG_ANYSRC,
if (err)
return err;
+ sysfs_attr_init(&ks->regs_attr.attr);
err = sysfs_create_bin_file(&spi->dev.kobj, &ks->regs_attr);
if (err) {
dev_err(&spi->dev, "unable to create sysfs file, err=%d\n",
{
struct hwsim_new_radio_params param = { 0 };
const char *hwname = NULL;
+ int ret;
param.reg_strict = info->attrs[HWSIM_ATTR_REG_STRICT_REG];
param.p2p_device = info->attrs[HWSIM_ATTR_SUPPORT_P2P_DEVICE];
param.regd = hwsim_world_regdom_custom[idx];
}
- return mac80211_hwsim_new_radio(info, ¶m);
+ ret = mac80211_hwsim_new_radio(info, ¶m);
+ kfree(hwname);
+ return ret;
}
static int hwsim_del_radio_nl(struct sk_buff *msg, struct genl_info *info)
spin_lock_irq(shost->host_lock);
vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
spin_unlock_irq(shost->host_lock);
- if (vport->port_type == LPFC_PHYSICAL_PORT
- && !(vport->fc_flag & FC_LOGO_RCVD_DID_CHNG))
- lpfc_issue_init_vfi(vport);
- else
+ if (mb->mbxStatus == MBX_NOT_FINISHED)
+ break;
+ if ((vport->port_type == LPFC_PHYSICAL_PORT) &&
+ !(vport->fc_flag & FC_LOGO_RCVD_DID_CHNG)) {
+ if (phba->sli_rev == LPFC_SLI_REV4)
+ lpfc_issue_init_vfi(vport);
+ else
+ lpfc_initial_flogi(vport);
+ } else {
lpfc_initial_fdisc(vport);
+ }
break;
}
} else {
*/
static int storvsc_timeout = 180;
-static int msft_blist_flags = BLIST_TRY_VPD_PAGES;
-
static void storvsc_on_channel_callback(void *context);
return ret;
}
+static int storvsc_device_alloc(struct scsi_device *sdevice)
+{
+ /*
+ * Set blist flag to permit the reading of the VPD pages even when
+ * the target may claim SPC-2 compliance. MSFT targets currently
+ * claim SPC-2 compliance while they implement post SPC-2 features.
+ * With this flag we can correctly handle WRITE_SAME_16 issues.
+ *
+ * Hypervisor reports SCSI_UNKNOWN type for DVD ROM device but
+ * still supports REPORT LUN.
+ */
+ sdevice->sdev_bflags = BLIST_REPORTLUN2 | BLIST_TRY_VPD_PAGES;
+
+ return 0;
+}
+
static int storvsc_device_configure(struct scsi_device *sdevice)
{
sdevice->no_write_same = 1;
/*
- * Add blist flags to permit the reading of the VPD pages even when
- * the target may claim SPC-2 compliance. MSFT targets currently
- * claim SPC-2 compliance while they implement post SPC-2 features.
- * With this patch we can correctly handle WRITE_SAME_16 issues.
- */
- sdevice->sdev_bflags |= msft_blist_flags;
-
- /*
* If the host is WIN8 or WIN8 R2, claim conformance to SPC-3
* if the device is a MSFT virtual device. If the host is
* WIN10 or newer, allow write_same.
.eh_host_reset_handler = storvsc_host_reset_handler,
.proc_name = "storvsc_host",
.eh_timed_out = storvsc_eh_timed_out,
+ .slave_alloc = storvsc_device_alloc,
.slave_configure = storvsc_device_configure,
.cmd_per_lun = 255,
.this_id = -1,
config SPI_FSL_DSPI
tristate "Freescale DSPI controller"
select REGMAP_MMIO
- depends on HAS_DMA
depends on SOC_VF610 || SOC_LS1021A || ARCH_LAYERSCAPE || COMPILE_TEST
help
This enables support for the Freescale DSPI controller in master
ret = unregister_gadget(gi);
if (ret)
goto err;
+ kfree(name);
} else {
if (gi->udc_name) {
ret = -EBUSY;
}
if (io_data->aio) {
- req = usb_ep_alloc_request(ep->ep, GFP_KERNEL);
+ req = usb_ep_alloc_request(ep->ep, GFP_ATOMIC);
if (unlikely(!req))
goto error_lock;
spin_lock_irq (&dev->lock);
value = -EINVAL;
- if (dev->buf)
+ if (dev->buf) {
+ kfree(kbuf);
goto fail;
+ }
dev->buf = kbuf;
/* full or low speed config */
/* device_register() causes the bus infrastructure to look for a
* matching driver. */
err = device_register(&dev->dev);
+ if (err)
+ ida_simple_remove(&virtio_index_ida, dev->index);
out:
if (err)
add_status(dev, VIRTIO_CONFIG_S_FAILED);
case CBProbe:
call->type = &afs_SRXCBProbe;
return true;
+ case CBProbeUuid:
+ call->type = &afs_SRXCBProbeUuid;
+ return true;
case CBTellMeAboutYourself:
call->type = &afs_SRXCBTellMeAboutYourself;
return true;
if (new_inode != NULL)
nfs_drop_nlink(new_inode);
d_move(old_dentry, new_dentry);
- nfs_set_verifier(new_dentry,
+ nfs_set_verifier(old_dentry,
nfs_save_change_attribute(new_dir));
} else if (error == -ENOENT)
nfs_dentry_handle_enoent(old_dentry);
/** \name Macros to make printk easier */
/*@{*/
+#define _DRM_PRINTK(once, level, fmt, ...) \
+ do { \
+ printk##once(KERN_##level "[" DRM_NAME "] " fmt, \
+ ##__VA_ARGS__); \
+ } while (0)
+
+#define DRM_INFO(fmt, ...) \
+ _DRM_PRINTK(, INFO, fmt, ##__VA_ARGS__)
+#define DRM_NOTE(fmt, ...) \
+ _DRM_PRINTK(, NOTICE, fmt, ##__VA_ARGS__)
+#define DRM_WARN(fmt, ...) \
+ _DRM_PRINTK(, WARNING, fmt, ##__VA_ARGS__)
+
+#define DRM_INFO_ONCE(fmt, ...) \
+ _DRM_PRINTK(_once, INFO, fmt, ##__VA_ARGS__)
+#define DRM_NOTE_ONCE(fmt, ...) \
+ _DRM_PRINTK(_once, NOTICE, fmt, ##__VA_ARGS__)
+#define DRM_WARN_ONCE(fmt, ...) \
+ _DRM_PRINTK(_once, WARNING, fmt, ##__VA_ARGS__)
+
/**
* Error output.
*
drm_err(fmt, ##__VA_ARGS__); \
})
-#define DRM_INFO(fmt, ...) \
- printk(KERN_INFO "[" DRM_NAME "] " fmt, ##__VA_ARGS__)
-
-#define DRM_INFO_ONCE(fmt, ...) \
- printk_once(KERN_INFO "[" DRM_NAME "] " fmt, ##__VA_ARGS__)
-
/**
* Debug output.
*
#define __GENALLOC_H__
#include <linux/spinlock_types.h>
+#include <linux/atomic.h>
struct device;
struct device_node;
*/
struct gen_pool_chunk {
struct list_head next_chunk; /* next chunk in pool */
- atomic_t avail;
+ atomic_long_t avail;
phys_addr_t phys_addr; /* physical starting address of memory chunk */
unsigned long start_addr; /* start address of memory chunk */
unsigned long end_addr; /* end address of memory chunk (inclusive) */
___pmd; \
})
-#define pmdp_huge_get_and_clear_notify(__mm, __haddr, __pmd) \
-({ \
- unsigned long ___haddr = __haddr & HPAGE_PMD_MASK; \
- pmd_t ___pmd; \
- \
- ___pmd = pmdp_huge_get_and_clear(__mm, __haddr, __pmd); \
- mmu_notifier_invalidate_range(__mm, ___haddr, \
- ___haddr + HPAGE_PMD_SIZE); \
- \
- ___pmd; \
-})
-
/*
* set_pte_at_notify() sets the pte _after_ running the notifier.
* This is safe to start by updating the secondary MMUs, because the primary MMU
#define pmdp_clear_young_notify pmdp_test_and_clear_young
#define ptep_clear_flush_notify ptep_clear_flush
#define pmdp_huge_clear_flush_notify pmdp_huge_clear_flush
-#define pmdp_huge_get_and_clear_notify pmdp_huge_get_and_clear
#define set_pte_at_notify set_pte_at
#endif /* CONFIG_MMU_NOTIFIER */
#endif
#if IS_ENABLED(CONFIG_MTD_ONENAND_OMAP2)
-extern void gpmc_onenand_init(struct omap_onenand_platform_data *d);
+extern int gpmc_onenand_init(struct omap_onenand_platform_data *d);
#else
#define board_onenand_data NULL
-static inline void gpmc_onenand_init(struct omap_onenand_platform_data *d)
+static inline int gpmc_onenand_init(struct omap_onenand_platform_data *d)
{
+ return 0;
}
#endif
.show = _name##_show, \
}
+#define __ATTR_RO_MODE(_name, _mode) { \
+ .attr = { .name = __stringify(_name), \
+ .mode = VERIFY_OCTAL_PERMISSIONS(_mode) }, \
+ .show = _name##_show, \
+}
+
#define __ATTR_WO(_name) { \
.attr = { .name = __stringify(_name), .mode = S_IWUSR }, \
.store = _name##_store, \
struct sata_device {
unsigned int class;
- struct smp_resp rps_resp; /* report_phy_sata_resp */
u8 port_no; /* port number, if this is a PM (Port) */
struct ata_port *ap;
struct ata_host ata_host;
+ struct smp_resp rps_resp ____cacheline_aligned; /* report_phy_sata_resp */
u8 fis[ATA_RESP_FIS_SIZE];
};
#define AUDIT_OFF 0
#define AUDIT_ON 1
#define AUDIT_LOCKED 2
-u32 audit_enabled;
-u32 audit_ever_enabled;
+u32 audit_enabled = AUDIT_OFF;
+u32 audit_ever_enabled = !!AUDIT_OFF;
EXPORT_SYMBOL_GPL(audit_enabled);
/* Default state when kernel boots without any parameters. */
-static u32 audit_default;
+static u32 audit_default = AUDIT_OFF;
/* If auditing cannot proceed, audit_failure selects what happens. */
static u32 audit_failure = AUDIT_FAIL_PRINTK;
skb_queue_head_init(&audit_skb_queue);
skb_queue_head_init(&audit_skb_hold_queue);
audit_initialized = AUDIT_INITIALIZED;
- audit_enabled = audit_default;
- audit_ever_enabled |= !!audit_default;
audit_log(NULL, GFP_KERNEL, AUDIT_KERNEL, "initialized");
audit_default = !!simple_strtol(str, NULL, 0);
if (!audit_default)
audit_initialized = AUDIT_DISABLED;
+ audit_enabled = audit_default;
+ audit_ever_enabled = !!audit_enabled;
pr_info("%s\n", audit_default ?
"enabled (after initialization)" : "disabled (until reboot)");
}
kdb_printf("\n");
for (i = 0; i < count; i++) {
- if (kallsyms_symbol_next(p_tmp, i) < 0)
+ if (WARN_ON(!kallsyms_symbol_next(p_tmp, i)))
break;
kdb_printf("%s ", p_tmp);
*(p_tmp + len) = '\0';
return 0;
}
-late_initcall(jump_label_test);
+early_initcall(jump_label_test);
#endif /* STATIC_KEYS_SELFTEST */
#endif /* HAVE_JUMP_LABEL */
struct timer_list *timer = &dwork->timer;
struct work_struct *work = &dwork->work;
+ WARN_ON_ONCE(!wq);
WARN_ON_ONCE(timer->function != delayed_work_timer_fn ||
timer->data != (unsigned long)dwork);
WARN_ON_ONCE(timer_pending(timer));
/* Decide how to handle the operation */
switch (op) {
- case ASN1_OP_MATCH_ANY_ACT:
- case ASN1_OP_MATCH_ANY_ACT_OR_SKIP:
- case ASN1_OP_COND_MATCH_ANY_ACT:
- case ASN1_OP_COND_MATCH_ANY_ACT_OR_SKIP:
- ret = actions[machine[pc + 1]](context, hdr, tag, data + dp, len);
- if (ret < 0)
- return ret;
- goto skip_data;
-
- case ASN1_OP_MATCH_ACT:
- case ASN1_OP_MATCH_ACT_OR_SKIP:
- case ASN1_OP_COND_MATCH_ACT_OR_SKIP:
- ret = actions[machine[pc + 2]](context, hdr, tag, data + dp, len);
- if (ret < 0)
- return ret;
- goto skip_data;
-
case ASN1_OP_MATCH:
case ASN1_OP_MATCH_OR_SKIP:
+ case ASN1_OP_MATCH_ACT:
+ case ASN1_OP_MATCH_ACT_OR_SKIP:
case ASN1_OP_MATCH_ANY:
case ASN1_OP_MATCH_ANY_OR_SKIP:
+ case ASN1_OP_MATCH_ANY_ACT:
+ case ASN1_OP_MATCH_ANY_ACT_OR_SKIP:
case ASN1_OP_COND_MATCH_OR_SKIP:
+ case ASN1_OP_COND_MATCH_ACT_OR_SKIP:
case ASN1_OP_COND_MATCH_ANY:
case ASN1_OP_COND_MATCH_ANY_OR_SKIP:
- skip_data:
+ case ASN1_OP_COND_MATCH_ANY_ACT:
+ case ASN1_OP_COND_MATCH_ANY_ACT_OR_SKIP:
+
if (!(flags & FLAG_CONS)) {
if (flags & FLAG_INDEFINITE_LENGTH) {
+ size_t tmp = dp;
+
ret = asn1_find_indefinite_length(
- data, datalen, &dp, &len, &errmsg);
+ data, datalen, &tmp, &len, &errmsg);
if (ret < 0)
goto error;
- } else {
- dp += len;
}
pr_debug("- LEAF: %zu\n", len);
}
+
+ if (op & ASN1_OP_MATCH__ACT) {
+ unsigned char act;
+
+ if (op & ASN1_OP_MATCH__ANY)
+ act = machine[pc + 1];
+ else
+ act = machine[pc + 2];
+ ret = actions[act](context, hdr, tag, data + dp, len);
+ if (ret < 0)
+ return ret;
+ }
+
+ if (!(flags & FLAG_CONS))
+ dp += len;
pc += asn1_op_lengths[op];
goto next_op;
else
act = machine[pc + 1];
ret = actions[act](context, hdr, 0, data + tdp, len);
+ if (ret < 0)
+ return ret;
}
pc += asn1_op_lengths[op];
goto next_op;
if (parse_lineno(last, &query->last_lineno) < 0)
return -EINVAL;
+ /* special case for last lineno not specified */
+ if (query->last_lineno == 0)
+ query->last_lineno = UINT_MAX;
+
if (query->last_lineno < query->first_lineno) {
pr_err("last-line:%d < 1st-line:%d\n",
query->last_lineno,
chunk->phys_addr = phys;
chunk->start_addr = virt;
chunk->end_addr = virt + size - 1;
- atomic_set(&chunk->avail, size);
+ atomic_long_set(&chunk->avail, size);
spin_lock(&pool->lock);
list_add_rcu(&chunk->next_chunk, &pool->chunks);
nbits = (size + (1UL << order) - 1) >> order;
rcu_read_lock();
list_for_each_entry_rcu(chunk, &pool->chunks, next_chunk) {
- if (size > atomic_read(&chunk->avail))
+ if (size > atomic_long_read(&chunk->avail))
continue;
start_bit = 0;
addr = chunk->start_addr + ((unsigned long)start_bit << order);
size = nbits << order;
- atomic_sub(size, &chunk->avail);
+ atomic_long_sub(size, &chunk->avail);
break;
}
rcu_read_unlock();
remain = bitmap_clear_ll(chunk->bits, start_bit, nbits);
BUG_ON(remain);
size = nbits << order;
- atomic_add(size, &chunk->avail);
+ atomic_long_add(size, &chunk->avail);
rcu_read_unlock();
return;
}
rcu_read_lock();
list_for_each_entry_rcu(chunk, &pool->chunks, next_chunk)
- avail += atomic_read(&chunk->avail);
+ avail += atomic_long_read(&chunk->avail);
rcu_read_unlock();
return avail;
}
{
struct mm_struct *mm = vma->vm_mm;
spinlock_t *ptl;
+ pmd_t entry;
+ bool preserve_write;
+
int ret = 0;
- if (__pmd_trans_huge_lock(pmd, vma, &ptl) == 1) {
- pmd_t entry;
- bool preserve_write = prot_numa && pmd_write(*pmd);
- ret = 1;
+ if (__pmd_trans_huge_lock(pmd, vma, &ptl) != 1)
+ return 0;
- /*
- * Avoid trapping faults against the zero page. The read-only
- * data is likely to be read-cached on the local CPU and
- * local/remote hits to the zero page are not interesting.
- */
- if (prot_numa && is_huge_zero_pmd(*pmd)) {
- spin_unlock(ptl);
- return ret;
- }
+ preserve_write = prot_numa && pmd_write(*pmd);
+ ret = 1;
- if (!prot_numa || !pmd_protnone(*pmd)) {
- entry = pmdp_huge_get_and_clear_notify(mm, addr, pmd);
- entry = pmd_modify(entry, newprot);
- if (preserve_write)
- entry = pmd_mkwrite(entry);
- ret = HPAGE_PMD_NR;
- set_pmd_at(mm, addr, pmd, entry);
- BUG_ON(!preserve_write && pmd_write(entry));
- }
- spin_unlock(ptl);
- }
+ /*
+ * Avoid trapping faults against the zero page. The read-only
+ * data is likely to be read-cached on the local CPU and
+ * local/remote hits to the zero page are not interesting.
+ */
+ if (prot_numa && is_huge_zero_pmd(*pmd))
+ goto unlock;
+ if (prot_numa && pmd_protnone(*pmd))
+ goto unlock;
+
+ /*
+ * In case prot_numa, we are under down_read(mmap_sem). It's critical
+ * to not clear pmd intermittently to avoid race with MADV_DONTNEED
+ * which is also under down_read(mmap_sem):
+ *
+ * CPU0: CPU1:
+ * change_huge_pmd(prot_numa=1)
+ * pmdp_huge_get_and_clear_notify()
+ * madvise_dontneed()
+ * zap_pmd_range()
+ * pmd_trans_huge(*pmd) == 0 (without ptl)
+ * // skip the pmd
+ * set_pmd_at();
+ * // pmd is re-established
+ *
+ * The race makes MADV_DONTNEED miss the huge pmd and don't clear it
+ * which may break userspace.
+ *
+ * pmdp_invalidate() is required to make sure we don't miss
+ * dirty/young flags set by hardware.
+ */
+ entry = *pmd;
+ pmdp_invalidate(vma, addr, pmd);
+
+ /*
+ * Recover dirty/young flags. It relies on pmdp_invalidate to not
+ * corrupt them.
+ */
+ if (pmd_dirty(*pmd))
+ entry = pmd_mkdirty(entry);
+ if (pmd_young(*pmd))
+ entry = pmd_mkyoung(entry);
+
+ entry = pmd_modify(entry, newprot);
+ if (preserve_write)
+ entry = pmd_mkwrite(entry);
+ ret = HPAGE_PMD_NR;
+ set_pmd_at(mm, addr, pmd, entry);
+ BUG_ON(!preserve_write && pmd_write(entry));
+unlock:
+ spin_unlock(ptl);
return ret;
}
if (skb->len < sizeof(struct iphdr) ||
ip_hdrlen(skb) < sizeof(struct iphdr))
return NF_ACCEPT;
+
+ if (ip_is_fragment(ip_hdr(skb))) /* IP_NODEFRAG setsockopt set */
+ return NF_ACCEPT;
+
return nf_conntrack_in(state->net, PF_INET, state->hook, skb);
}
/* maniptype == SRC for postrouting. */
enum nf_nat_manip_type maniptype = HOOK2MANIP(state->hook);
- /* We never see fragments: conntrack defrags on pre-routing
- * and local-out, and nf_nat_out protects post-routing.
- */
- NF_CT_ASSERT(!ip_is_fragment(ip_hdr(skb)));
-
ct = nf_ct_get(skb, &ctinfo);
/* Can't track? It's not due to stress, or conntrack would
* have dropped it. Hence it's the user's responsibilty to
struct fnhe_hash_bucket *hash;
struct fib_nh_exception *fnhe;
struct rtable *rt;
+ u32 genid, hval;
unsigned int i;
int depth;
- u32 hval = fnhe_hashfun(daddr);
+
+ genid = fnhe_genid(dev_net(nh->nh_dev));
+ hval = fnhe_hashfun(daddr);
spin_lock_bh(&fnhe_lock);
}
if (fnhe) {
+ if (fnhe->fnhe_genid != genid)
+ fnhe->fnhe_genid = genid;
if (gw)
fnhe->fnhe_gw = gw;
- if (pmtu) {
+ if (pmtu)
fnhe->fnhe_pmtu = pmtu;
- fnhe->fnhe_expires = max(1UL, expires);
- }
+ fnhe->fnhe_expires = max(1UL, expires);
/* Update all cached dsts too */
rt = rcu_dereference(fnhe->fnhe_rth_input);
if (rt)
fnhe->fnhe_next = hash->chain;
rcu_assign_pointer(hash->chain, fnhe);
}
- fnhe->fnhe_genid = fnhe_genid(dev_net(nh->nh_dev));
+ fnhe->fnhe_genid = genid;
fnhe->fnhe_daddr = daddr;
fnhe->fnhe_gw = gw;
fnhe->fnhe_pmtu = pmtu;
err = register_pernet_subsys(&inet6_net_ops);
if (err)
goto register_pernet_fail;
- err = icmpv6_init();
- if (err)
- goto icmp_fail;
err = ip6_mr_init();
if (err)
goto ipmr_fail;
+ err = icmpv6_init();
+ if (err)
+ goto icmp_fail;
err = ndisc_init();
if (err)
goto ndisc_fail;
ndisc_cleanup();
ndisc_fail:
ip6_mr_cleanup();
-ipmr_fail:
- icmpv6_cleanup();
icmp_fail:
unregister_pernet_subsys(&inet6_net_ops);
+ipmr_fail:
+ icmpv6_cleanup();
register_pernet_fail:
sock_unregister(PF_INET6);
rtnl_unregister_all(PF_INET6);
if (!skb->ignore_df && skb->len > mtu) {
skb_dst(skb)->ops->update_pmtu(dst, NULL, skb, mtu);
- if (skb->protocol == htons(ETH_P_IPV6))
+ if (skb->protocol == htons(ETH_P_IPV6)) {
+ if (mtu < IPV6_MIN_MTU)
+ mtu = IPV6_MIN_MTU;
+
icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu);
- else
+ } else {
icmp_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED,
htonl(mtu));
+ }
return -EMSGSIZE;
}
ipip6_tunnel_link(sitn, t);
t->parms.iph.ttl = p->iph.ttl;
t->parms.iph.tos = p->iph.tos;
+ t->parms.iph.frag_off = p->iph.frag_off;
if (t->parms.link != p->link) {
t->parms.link = p->link;
ipip6_tunnel_bind_dev(t->dev);
atomic_long_set(&rollover->num, 0);
atomic_long_set(&rollover->num_huge, 0);
atomic_long_set(&rollover->num_failed, 0);
- po->rollover = rollover;
}
match = NULL;
if (atomic_read(&match->sk_ref) < PACKET_FANOUT_MAX) {
__dev_remove_pack(&po->prot_hook);
po->fanout = match;
+ po->rollover = rollover;
+ rollover = NULL;
atomic_inc(&match->sk_ref);
__fanout_link(sk, po);
err = 0;
}
out:
- if (err && rollover) {
- kfree_rcu(rollover, rcu);
- po->rollover = NULL;
- }
+ kfree(rollover);
mutex_unlock(&fanout_mutex);
return err;
}
list_del(&f->list);
else
f = NULL;
-
- if (po->rollover) {
- kfree_rcu(po->rollover, rcu);
- po->rollover = NULL;
- }
}
mutex_unlock(&fanout_mutex);
synchronize_net();
if (f) {
+ kfree(po->rollover);
fanout_release_data(f);
kfree(f);
}
if (need_rehook) {
if (po->running) {
rcu_read_unlock();
+ /* prevents packet_notifier() from calling
+ * register_prot_hook()
+ */
+ po->num = 0;
__unregister_prot_hook(sk, true);
rcu_read_lock();
dev_curr = po->prot_hook.dev;
dev->ifindex);
}
+ BUG_ON(po->running);
po->num = proto;
po->prot_hook.type = proto;
void *data = &val;
union tpacket_stats_u st;
struct tpacket_rollover_stats rstats;
- struct packet_rollover *rollover;
if (level != SOL_PACKET)
return -ENOPROTOOPT;
0);
break;
case PACKET_ROLLOVER_STATS:
- rcu_read_lock();
- rollover = rcu_dereference(po->rollover);
- if (rollover) {
- rstats.tp_all = atomic_long_read(&rollover->num);
- rstats.tp_huge = atomic_long_read(&rollover->num_huge);
- rstats.tp_failed = atomic_long_read(&rollover->num_failed);
- data = &rstats;
- lv = sizeof(rstats);
- }
- rcu_read_unlock();
- if (!rollover)
+ if (!po->rollover)
return -EINVAL;
+ rstats.tp_all = atomic_long_read(&po->rollover->num);
+ rstats.tp_huge = atomic_long_read(&po->rollover->num_huge);
+ rstats.tp_failed = atomic_long_read(&po->rollover->num_failed);
+ data = &rstats;
+ lv = sizeof(rstats);
break;
case PACKET_TX_HAS_OFF:
val = po->tp_tx_has_off;
struct packet_rollover {
int sock;
- struct rcu_head rcu;
atomic_long_t num;
atomic_long_t num_huge;
atomic_long_t num_failed;
long i;
int ret;
- if (rs->rs_bound_addr == 0) {
+ if (rs->rs_bound_addr == 0 || !rs->rs_transport) {
ret = -ENOTCONN; /* XXX not a great errno */
goto out;
}
/* Forward declarations for internal helper functions. */
static int sctp_writeable(struct sock *sk);
static void sctp_wfree(struct sk_buff *skb);
-static int sctp_wait_for_sndbuf(struct sctp_association *, long *timeo_p,
- size_t msg_len);
+static int sctp_wait_for_sndbuf(struct sctp_association *asoc, long *timeo_p,
+ size_t msg_len, struct sock **orig_sk);
static int sctp_wait_for_packet(struct sock *sk, int *err, long *timeo_p);
static int sctp_wait_for_connect(struct sctp_association *, long *timeo_p);
static int sctp_wait_for_accept(struct sock *sk, long timeo);
timeo = sock_sndtimeo(sk, msg->msg_flags & MSG_DONTWAIT);
if (!sctp_wspace(asoc)) {
- err = sctp_wait_for_sndbuf(asoc, &timeo, msg_len);
- if (err)
+ /* sk can be changed by peel off when waiting for buf. */
+ err = sctp_wait_for_sndbuf(asoc, &timeo, msg_len, &sk);
+ if (err) {
+ if (err == -ESRCH) {
+ /* asoc is already dead. */
+ new_asoc = NULL;
+ err = -EPIPE;
+ }
goto out_free;
+ }
}
/* If an address is passed with the sendto/sendmsg call, it is used
if (!asoc)
return -EINVAL;
- /* If there is a thread waiting on more sndbuf space for
- * sending on this asoc, it cannot be peeled.
- */
- if (waitqueue_active(&asoc->wait))
- return -EBUSY;
-
/* An association cannot be branched off from an already peeled-off
* socket, nor is this supported for tcp style sockets.
*/
/* Helper function to wait for space in the sndbuf. */
static int sctp_wait_for_sndbuf(struct sctp_association *asoc, long *timeo_p,
- size_t msg_len)
+ size_t msg_len, struct sock **orig_sk)
{
struct sock *sk = asoc->base.sk;
int err = 0;
for (;;) {
prepare_to_wait_exclusive(&asoc->wait, &wait,
TASK_INTERRUPTIBLE);
+ if (asoc->base.dead)
+ goto do_dead;
if (!*timeo_p)
goto do_nonblock;
- if (sk->sk_err || asoc->state >= SCTP_STATE_SHUTDOWN_PENDING ||
- asoc->base.dead)
+ if (sk->sk_err || asoc->state >= SCTP_STATE_SHUTDOWN_PENDING)
goto do_error;
if (signal_pending(current))
goto do_interrupted;
release_sock(sk);
current_timeo = schedule_timeout(current_timeo);
lock_sock(sk);
+ if (sk != asoc->base.sk) {
+ release_sock(sk);
+ sk = asoc->base.sk;
+ lock_sock(sk);
+ }
*timeo_p = current_timeo;
}
out:
+ *orig_sk = sk;
finish_wait(&asoc->wait, &wait);
/* Release the association's refcnt. */
return err;
+do_dead:
+ err = -ESRCH;
+ goto out;
+
do_error:
err = -EPIPE;
goto out;
static void rpc_set_active(struct rpc_task *task)
{
- trace_rpc_task_begin(task->tk_client, task, NULL);
-
rpc_task_set_debuginfo(task);
set_bit(RPC_TASK_ACTIVE, &task->tk_runstate);
+ trace_rpc_task_begin(task->tk_client, task, NULL);
}
/*
newcon->usr_data = s->tipc_conn_new(newcon->conid);
if (!newcon->usr_data) {
sock_release(newsock);
+ conn_put(newcon);
return -ENOMEM;
}
newp->xfrm_nr = old->xfrm_nr;
newp->index = old->index;
newp->type = old->type;
+ newp->family = old->family;
memcpy(newp->xfrm_vec, old->xfrm_vec,
newp->xfrm_nr*sizeof(struct xfrm_tmpl));
write_lock_bh(&net->xfrm.xfrm_policy_lock);
. = ALIGN(8);
.init_array 0 : { *(SORT(.init_array.*)) *(.init_array) }
+
+ __jump_table 0 : ALIGN(8) { KEEP(*(__jump_table)) }
}
false; \
fi ; \
$(srctree)/scripts/setlocalversion --save-scmversion; \
-ln -sf $(srctree) $(2); \
tar -cz $(RCS_TAR_IGNORE) -f $(2).tar.gz \
- $(addprefix $(2)/,$(TAR_CONTENT) $(3)); \
-rm -f $(2) $(objtree)/.scmversion
+ --transform 's:^:$(2)/:S' $(TAR_CONTENT) $(3); \
+rm -f $(objtree)/.scmversion
# rpm-pkg
# ---------------------------------------------------------------------------
err = -ENXIO;
goto _error;
}
+ mutex_lock(&pcm->open_mutex);
err = snd_pcm_info_user(substream, info);
+ mutex_unlock(&pcm->open_mutex);
_error:
mutex_unlock(®ister_mutex);
return err;
unsigned long freq;
t = tmr->timeri->timer;
- if (snd_BUG_ON(!t))
+ if (!t)
return -EINVAL;
freq = tmr->preferred_resolution;
int index, char *buf, int maxlen)
{
int len = usb_string(state->chip->dev, index, buf, maxlen - 1);
+
+ if (len < 0)
+ return 0;
+
buf[len] = 0;
return len;
}
if (len)
;
else if (nameid)
- snd_usb_copy_string_desc(state, nameid, kctl->id.name,
+ len = snd_usb_copy_string_desc(state, nameid, kctl->id.name,
sizeof(kctl->id.name));
- else {
+ else
len = get_term_name(state, &state->oterm,
kctl->id.name, sizeof(kctl->id.name), 0);
- if (!len)
- strlcpy(kctl->id.name, "USB", sizeof(kctl->id.name));
+
+ if (!len) {
+ strlcpy(kctl->id.name, "USB", sizeof(kctl->id.name));
if (desc->bDescriptorSubtype == UAC2_CLOCK_SELECTOR)
append_ctl_name(kctl, " Clock Source");
for (;;) {
readp = &record[records_read];
records_read += fread(readp, sizeof(struct kvp_record),
- ENTRIES_PER_BLOCK * num_blocks,
- filep);
+ ENTRIES_PER_BLOCK * num_blocks - records_read,
+ filep);
if (ferror(filep)) {
- syslog(LOG_ERR, "Failed to read file, pool: %d", pool);
+ syslog(LOG_ERR,
+ "Failed to read file, pool: %d; error: %d %s",
+ pool, errno, strerror(errno));
+ kvp_release_lock(pool);
exit(EXIT_FAILURE);
}
if (record == NULL) {
syslog(LOG_ERR, "malloc failed");
+ kvp_release_lock(pool);
exit(EXIT_FAILURE);
}
continue;
fclose(filep);
kvp_release_lock(pool);
}
+
static int kvp_file_init(void)
{
int fd;
- FILE *filep;
- size_t records_read;
char *fname;
- struct kvp_record *record;
- struct kvp_record *readp;
- int num_blocks;
int i;
int alloc_unit = sizeof(struct kvp_record) * ENTRIES_PER_BLOCK;
for (i = 0; i < KVP_POOL_COUNT; i++) {
fname = kvp_file_info[i].fname;
- records_read = 0;
- num_blocks = 1;
sprintf(fname, "%s/.kvp_pool_%d", KVP_CONFIG_LOC, i);
fd = open(fname, O_RDWR | O_CREAT | O_CLOEXEC, 0644 /* rw-r--r-- */);
if (fd == -1)
return 1;
-
- filep = fopen(fname, "re");
- if (!filep) {
- close(fd);
- return 1;
- }
-
- record = malloc(alloc_unit * num_blocks);
- if (record == NULL) {
- fclose(filep);
- close(fd);
- return 1;
- }
- for (;;) {
- readp = &record[records_read];
- records_read += fread(readp, sizeof(struct kvp_record),
- ENTRIES_PER_BLOCK,
- filep);
-
- if (ferror(filep)) {
- syslog(LOG_ERR, "Failed to read file, pool: %d",
- i);
- exit(EXIT_FAILURE);
- }
-
- if (!feof(filep)) {
- /*
- * We have more data to read.
- */
- num_blocks++;
- record = realloc(record, alloc_unit *
- num_blocks);
- if (record == NULL) {
- fclose(filep);
- close(fd);
- return 1;
- }
- continue;
- }
- break;
- }
kvp_file_info[i].fd = fd;
- kvp_file_info[i].num_blocks = num_blocks;
- kvp_file_info[i].records = record;
- kvp_file_info[i].num_records = records_read;
- fclose(filep);
-
+ kvp_file_info[i].num_blocks = 1;
+ kvp_file_info[i].records = malloc(alloc_unit);
+ if (kvp_file_info[i].records == NULL)
+ return 1;
+ kvp_file_info[i].num_records = 0;
+ kvp_update_mem_state(i);
}
return 0;
rc = run_test(test_function, name);
- if (rc == MAGIC_SKIP_RETURN_VALUE)
+ if (rc == MAGIC_SKIP_RETURN_VALUE) {
test_skip(name);
- else
+ /* so that skipped test is not marked as failed */
+ rc = 0;
+ } else
test_finish(name, rc);
return rc;
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