tree ee5a3c58d6cb74d8fd9b0fe823c51d554ef115de
parent 6fefb0d17599d63e9d30c23bcbe2d4e06477cd55
author Andi Kleen <[EMAIL PROTECTED]> Sun, 17 Apr 2005 05:25:04 -0700
committer Linus Torvalds <[EMAIL PROTECTED]> Sun, 17 Apr 2005 05:25:04 -0700
[PATCH] x86_64: Fix a small missing schedule race
Could lead to a lost reschedule event when the process already rescheduled on
exception exit, and needs it again while still being in the kernel. Unlikely
case though.
Also remove one redundant cli in another entry.S path.
Signed-off-by: Andi Kleen <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
x86_64/kernel/entry.S | 2 +-
1 files changed, 1 insertion(+), 1 deletion(-)
Index: arch/x86_64/kernel/entry.S
===================================================================
--- d513ab7e0edfb2ee74adf15f2c7714ccdb179978/arch/x86_64/kernel/entry.S
(mode:100644 sha1:3e888c2e5a06c77eb0a90ff45098eff62f078bf9)
+++ ee5a3c58d6cb74d8fd9b0fe823c51d554ef115de/arch/x86_64/kernel/entry.S
(mode:100644 sha1:887c5f017d28694c8495769a4df04fddaac6389d)
@@ -284,6 +284,7 @@
pushq %rdi
call schedule
popq %rdi
+ cli
jmp int_with_check
/* handle signals and tracing -- both require a full stack frame */
@@ -453,7 +454,6 @@
andl %edi,%edx
jnz retint_careful
retint_swapgs:
- cli
swapgs
retint_restore_args:
cli
-
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