Commit accdd093 authored by Christophe Leroy's avatar Christophe Leroy Committed by Michael Ellerman
Browse files

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: default avatarChristophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/955248c6423cb068c5965923121ba31d4dd2fdde.1615881400.git.christophe.leroy@csgroup.eu
parent 8b8adeb3

arch/powerpc/Kconfig

+1 −1
Original line number Diff line number Diff line
@@ -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

arch/powerpc/kernel/stacktrace.c

+0 −2
Original line number Diff line number Diff line
@@ -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)