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authorBorislav Petkov <bp@suse.de>2017-05-28 11:03:42 +0200
committerIngo Molnar <mingo@kernel.org>2017-05-29 08:22:49 +0200
commit5d9070b1f0fc9a159a9a3240c43004828408444b (patch)
treec5ef5f8614a668237de842feff6734a67686db21 /arch/x86/kernel/process_32.c
parentdac6ca243c4c49a9ca7507d3d66140ebfac8b04b (diff)
x86/debug/32: Convert a smp_processor_id() call to raw to avoid DEBUG_PREEMPT warning
... to raw_smp_processor_id() to not trip the BUG: using smp_processor_id() in preemptible [00000000] code: swapper/0/1 check. The reasoning behind it is that __warn() already uses the raw_ variants but the show_regs() path on 32-bit doesn't. Signed-off-by: Borislav Petkov <bp@suse.de> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/20170528092212.fiod7kygpjm23m3o@pd.tnic Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kernel/process_32.c')
-rw-r--r--arch/x86/kernel/process_32.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c
index ff40e74c9181..ffeae818aa7a 100644
--- a/arch/x86/kernel/process_32.c
+++ b/arch/x86/kernel/process_32.c
@@ -78,7 +78,7 @@ void __show_regs(struct pt_regs *regs, int all)
printk(KERN_DEFAULT "EIP: %pS\n", (void *)regs->ip);
printk(KERN_DEFAULT "EFLAGS: %08lx CPU: %d\n", regs->flags,
- smp_processor_id());
+ raw_smp_processor_id());
printk(KERN_DEFAULT "EAX: %08lx EBX: %08lx ECX: %08lx EDX: %08lx\n",
regs->ax, regs->bx, regs->cx, regs->dx);