x86/unwind: Prevent false warnings for non-current tasks

[linux-2.6-microblaze.git] / arch / x86 / kernel / unwind_frame.c

diff --git a/arch/x86/kernel/unwind_frame.c b/arch/x86/kernel/unwind_frame.c
index a224b5a..5422611 100644 (file)
--- a/arch/x86/kernel/unwind_frame.c
+++ b/arch/x86/kernel/unwind_frame.c
@@ -344,6 +344,9 @@ bad_address:
        if (IS_ENABLED(CONFIG_X86_32))
                goto the_end;
 
+       if (state->task != current)
+               goto the_end;
+
        if (state->regs) {
                printk_deferred_once(KERN_WARNING
                        "WARNING: kernel stack regs at %p in %s:%d has bad 'bp' value %p\n",