KVM: PPC: Book3S: Fix symbol undeclared warnings

Build the kernel with `C=2`:
arch/powerpc/kvm/book3s_hv_nested.c:572:25: warning: symbol
'kvmhv_alloc_nested' was not declared. Should it be static?
arch/powerpc/kvm/book3s_64_mmu_radix.c:350:6: warning: symbol
'kvmppc_radix_set_pte_at' was not declared. Should it be static?
arch/powerpc/kvm/book3s_hv.c:3568:5: warning: symbol
'kvmhv_p9_guest_entry' was not declared. Should it be static?
arch/powerpc/kvm/book3s_hv_rm_xics.c:767:15: warning: symbol 'eoi_rc'
was not declared. Should it be static?
arch/powerpc/kvm/book3s_64_vio_hv.c:240:13: warning: symbol
'iommu_tce_kill_rm' was not declared. Should it be static?
arch/powerpc/kvm/book3s_64_vio.c:492:6: warning: symbol
'kvmppc_tce_iommu_do_map' was not declared. Should it be static?
arch/powerpc/kvm/book3s_pr.c:572:6: warning: symbol 'kvmppc_set_pvr_pr'
was not declared. Should it be static?

Those symbols are used only in the files that define them so make them
static to fix the warnings.

Signed-off-by: Wang Wensheng <wangwensheng4@huawei.com>
Signed-off-by: Paul Mackerras <paulus@ozlabs.org>

diff --git a/arch/powerpc/kvm/book3s_64_mmu_radix.c b/arch/powerpc/kvm/book3s_64_mmu_radix.c
index 22a677b..bb35490 100644 (file)
--- a/arch/powerpc/kvm/book3s_64_mmu_radix.c
+++ b/arch/powerpc/kvm/book3s_64_mmu_radix.c
@@ -347,7 +347,7 @@ static unsigned long kvmppc_radix_update_pte(struct kvm *kvm, pte_t *ptep,
        return __radix_pte_update(ptep, clr, set);
 }
 
-void kvmppc_radix_set_pte_at(struct kvm *kvm, unsigned long addr,
+static void kvmppc_radix_set_pte_at(struct kvm *kvm, unsigned long addr,
                             pte_t *ptep, pte_t pte)
 {
        radix__set_pte_at(kvm->mm, addr, ptep, pte, 0);

diff --git a/arch/powerpc/kvm/book3s_64_vio.c b/arch/powerpc/kvm/book3s_64_vio.c
index b277a75..8da93fd 100644 (file)
--- a/arch/powerpc/kvm/book3s_64_vio.c
+++ b/arch/powerpc/kvm/book3s_64_vio.c
@@ -489,7 +489,7 @@ static long kvmppc_tce_iommu_unmap(struct kvm *kvm,
        return ret;
 }
 
-long kvmppc_tce_iommu_do_map(struct kvm *kvm, struct iommu_table *tbl,
+static long kvmppc_tce_iommu_do_map(struct kvm *kvm, struct iommu_table *tbl,
                unsigned long entry, unsigned long ua,
                enum dma_data_direction dir)
 {

diff --git a/arch/powerpc/kvm/book3s_64_vio_hv.c b/arch/powerpc/kvm/book3s_64_vio_hv.c
index ac6ac19..470e7c5 100644 (file)
--- a/arch/powerpc/kvm/book3s_64_vio_hv.c
+++ b/arch/powerpc/kvm/book3s_64_vio_hv.c
@@ -237,7 +237,7 @@ static long iommu_tce_xchg_no_kill_rm(struct mm_struct *mm,
        return ret;
 }
 
-extern void iommu_tce_kill_rm(struct iommu_table *tbl,
+static void iommu_tce_kill_rm(struct iommu_table *tbl,
                unsigned long entry, unsigned long pages)
 {
        if (tbl->it_ops->tce_kill)

diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index 7ee0068..490a0f6 100644 (file)
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -3568,7 +3568,7 @@ static int kvmhv_load_hv_regs_and_go(struct kvm_vcpu *vcpu, u64 time_limit,
  * Virtual-mode guest entry for POWER9 and later when the host and
  * guest are both using the radix MMU.  The LPIDR has already been set.
  */
-int kvmhv_p9_guest_entry(struct kvm_vcpu *vcpu, u64 time_limit,
+static int kvmhv_p9_guest_entry(struct kvm_vcpu *vcpu, u64 time_limit,
                         unsigned long lpcr)
 {
        struct kvmppc_vcore *vc = vcpu->arch.vcore;

diff --git a/arch/powerpc/kvm/book3s_hv_nested.c b/arch/powerpc/kvm/book3s_hv_nested.c
index 6822d23..33b5854 100644 (file)
--- a/arch/powerpc/kvm/book3s_hv_nested.c
+++ b/arch/powerpc/kvm/book3s_hv_nested.c
@@ -569,7 +569,7 @@ static void kvmhv_update_ptbl_cache(struct kvm_nested_guest *gp)
        kvmhv_set_nested_ptbl(gp);
 }
 
-struct kvm_nested_guest *kvmhv_alloc_nested(struct kvm *kvm, unsigned int lpid)
+static struct kvm_nested_guest *kvmhv_alloc_nested(struct kvm *kvm, unsigned int lpid)
 {
        struct kvm_nested_guest *gp;
        long shadow_lpid;

diff --git a/arch/powerpc/kvm/book3s_hv_rm_xics.c b/arch/powerpc/kvm/book3s_hv_rm_xics.c
index 4d7e561..c2c9c73 100644 (file)
--- a/arch/powerpc/kvm/book3s_hv_rm_xics.c
+++ b/arch/powerpc/kvm/book3s_hv_rm_xics.c
@@ -764,7 +764,7 @@ int xics_rm_h_eoi(struct kvm_vcpu *vcpu, unsigned long xirr)
        return ics_rm_eoi(vcpu, irq);
 }
 
-unsigned long eoi_rc;
+static unsigned long eoi_rc;
 
 static void icp_eoi(struct irq_chip *c, u32 hwirq, __be32 xirr, bool *again)
 {

diff --git a/arch/powerpc/kvm/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c
index 88fac22..b1fefa6 100644 (file)
--- a/arch/powerpc/kvm/book3s_pr.c
+++ b/arch/powerpc/kvm/book3s_pr.c
@@ -569,7 +569,7 @@ static void kvmppc_set_msr_pr(struct kvm_vcpu *vcpu, u64 msr)
 #endif
 }
 
-void kvmppc_set_pvr_pr(struct kvm_vcpu *vcpu, u32 pvr)
+static void kvmppc_set_pvr_pr(struct kvm_vcpu *vcpu, u32 pvr)
 {
        u32 host_pvr;