x86, UV: Make kdump avoid stack dumps

[karo-tx-linux.git] / arch / x86 / kernel / crash.c

diff --git a/arch/x86/kernel/crash.c b/arch/x86/kernel/crash.c
index ebd4c51d096a525cbc6978561e11b3a4afbeb385..764c7c2b18115f12e3edc673940dffcdf9f3b47f 100644 (file)
--- a/arch/x86/kernel/crash.c
+++ b/arch/x86/kernel/crash.c
@@ -28,6 +28,8 @@
 #include <asm/reboot.h>
 #include <asm/virtext.h>
 
+int in_crash_kexec;
+
 #if defined(CONFIG_SMP) && defined(CONFIG_X86_LOCAL_APIC)
 
 static void kdump_nmi_callback(int cpu, struct die_args *args)
@@ -61,6 +63,7 @@ static void kdump_nmi_callback(int cpu, struct die_args *args)
 
 static void kdump_nmi_shootdown_cpus(void)
 {
+       in_crash_kexec = 1;
        nmi_shootdown_cpus(kdump_nmi_callback);
 
        disable_local_APIC();