The patch titled
x86_64: fix smp_call_function_single() return value
has been added to the -mm tree. Its filename is
x86_64-fix-smp_call_function_single-return-value.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: x86_64: fix smp_call_function_single() return value
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
It's supposed to return -EBUSY when asked to execute the callback on the
current CPU.
Cc: Andi Kleen <ak@xxxxxxx>
Cc: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/x86_64/kernel/smp.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff -puN arch/x86_64/kernel/smp.c~x86_64-fix-smp_call_function_single-return-value arch/x86_64/kernel/smp.c
--- a/arch/x86_64/kernel/smp.c~x86_64-fix-smp_call_function_single-return-value
+++ a/arch/x86_64/kernel/smp.c
@@ -363,7 +363,7 @@ __smp_call_function_single(int cpu, void
* @nonatomic: Currently unused.
* @wait: If true, wait until function has completed on other CPUs.
*
- * Retrurns 0 on success, else a negative status code.
+ * Returns 0 on success, else a negative status code.
*
* Does not return until the remote CPU is nearly ready to execute <func>
* or is or has executed.
@@ -376,7 +376,7 @@ int smp_call_function_single (int cpu, v
int me = get_cpu();
if (cpu == me) {
put_cpu();
- return 0;
+ return -EBUSY;
}
/* Can deadlock when called with interrupts disabled */
_
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writeback-fix-time-ordering-of-the-per-superblock-dirty-inode-lists-6.patch
writeback-fix-time-ordering-of-the-per-superblock-dirty-inode-lists-7.patch
x86_64-fix-smp_call_function_single-return-value.patch
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