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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 <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/955248c6423cb068c5965923121ba31d4dd2fdde.1615881400.git.christophe.leroy@csgroup.eu
This commit is contained in:
Christophe Leroy 2021-03-16 07:57:13 +00:00 committed by Michael Ellerman
parent 8b8adeb300
commit accdd093f2
2 changed files with 1 additions and 3 deletions
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2
arch/powerpc/Kconfig
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@ -235,7 +235,7 @@ config PPC
select MMU_GATHER_RCU_TABLE_FREE select MMU_GATHER_RCU_TABLE_FREE
select MMU_GATHER_PAGE_SIZE select MMU_GATHER_PAGE_SIZE
select HAVE_REGS_AND_STACK_ACCESS_API 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_SOFTIRQ_ON_OWN_STACK
select HAVE_SYSCALL_TRACEPOINTS select HAVE_SYSCALL_TRACEPOINTS
select HAVE_VIRT_CPU_ACCOUNTING select HAVE_VIRT_CPU_ACCOUNTING

2
arch/powerpc/kernel/stacktrace.c
View File

@ -88,7 +88,6 @@ save_stack_trace_regs(struct pt_regs *regs, struct stack_trace *trace)
} }
EXPORT_SYMBOL_GPL(save_stack_trace_regs); 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 * This function returns an error if it detects any unreliable features of the
* stack. Otherwise it guarantees that the stack trace is reliable. * 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; return ret;
} }
#endif /* CONFIG_HAVE_RELIABLE_STACKTRACE */
#if defined(CONFIG_PPC_BOOK3S_64) && defined(CONFIG_NMI_IPI) #if defined(CONFIG_PPC_BOOK3S_64) && defined(CONFIG_NMI_IPI)
static void handle_backtrace_ipi(struct pt_regs *regs) static void handle_backtrace_ipi(struct pt_regs *regs)