From accdd093f260bc8c8a8f580ee48e49ad5c5f91b2 Mon Sep 17 00:00:00 2001 From: Christophe Leroy Date: Tue, 16 Mar 2021 07:57:13 +0000 Subject: [PATCH] powerpc: Activate HAVE_RELIABLE_STACKTRACE for all CONFIG_HAVE_RELIABLE_STACKTRACE is applicable to all, no reason to limit it to book3s/64le Signed-off-by: Christophe Leroy Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/955248c6423cb068c5965923121ba31d4dd2fdde.1615881400.git.christophe.leroy@csgroup.eu --- arch/powerpc/Kconfig | 2 +- arch/powerpc/kernel/stacktrace.c | 2 -- 2 files changed, 1 insertion(+), 3 deletions(-) diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index d46db0bfb998..e446d68bebe4 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -235,7 +235,7 @@ config PPC select MMU_GATHER_RCU_TABLE_FREE select MMU_GATHER_PAGE_SIZE select HAVE_REGS_AND_STACK_ACCESS_API - select HAVE_RELIABLE_STACKTRACE if PPC_BOOK3S_64 && CPU_LITTLE_ENDIAN + select HAVE_RELIABLE_STACKTRACE select HAVE_SOFTIRQ_ON_OWN_STACK select HAVE_SYSCALL_TRACEPOINTS select HAVE_VIRT_CPU_ACCOUNTING diff --git a/arch/powerpc/kernel/stacktrace.c b/arch/powerpc/kernel/stacktrace.c index b6440657ef92..a2a050551109 100644 --- a/arch/powerpc/kernel/stacktrace.c +++ b/arch/powerpc/kernel/stacktrace.c @@ -88,7 +88,6 @@ save_stack_trace_regs(struct pt_regs *regs, struct stack_trace *trace) } EXPORT_SYMBOL_GPL(save_stack_trace_regs); -#ifdef CONFIG_HAVE_RELIABLE_STACKTRACE /* * This function returns an error if it detects any unreliable features of the * stack. Otherwise it guarantees that the stack trace is reliable. @@ -220,7 +219,6 @@ int save_stack_trace_tsk_reliable(struct task_struct *tsk, return ret; } -#endif /* CONFIG_HAVE_RELIABLE_STACKTRACE */ #if defined(CONFIG_PPC_BOOK3S_64) && defined(CONFIG_NMI_IPI) static void handle_backtrace_ipi(struct pt_regs *regs) -- 2.11.0