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panic: add TAINT_SOFTLOCKUP

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This taint flag will be set if the system has ever entered a softlockup
state.  Similar to TAINT_WARN it is useful to know whether or not the
system has been in a softlockup state when debugging.

[akpm@linux-foundation.org: apply the taint before calling panic()]
Signed-off-by: Josh Hunt <johunt@akamai.com>
Cc: Jason Baron <jbaron@akamai.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Josh Hunt
2014-08-08 14:22:31 -07:00
committed by Linus Torvalds
parent 1da85fdff5
commit 69361eef90
5 changed files with 6 additions and 0 deletions
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include/linux/kernel.h
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@@ -470,6 +470,7 @@ extern enum system_states {
#define TAINT_FIRMWARE_WORKAROUND 11
#define TAINT_OOT_MODULE 12
#define TAINT_UNSIGNED_MODULE 13
#define TAINT_SOFTLOCKUP 14
extern const char hex_asc[];
#define hex_asc_lo(x) hex_asc[((x) & 0x0f)]