The patch titled
kexec: fix compilation warning on xchg(&kexec_lock, 0) in kernel_kexec()
has been added to the -mm tree. Its filename is
kexec-fix-compilation-warning-on-xchgkexec_lock-0-in-kernel_kexec.patch
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** 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
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: kexec: fix compilation warning on xchg(&kexec_lock, 0) in kernel_kexec()
From: Huang Ying <ying.huang@xxxxxxxxx>
kernel/kexec.c: In function 'kernel_kexec':
kernel/kexec.c:1506: warning: value computed is not used
Signed-off-by: Huang Ying <ying.huang@xxxxxxxxx>
Cc: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
kernel/kexec.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff -puN kernel/kexec.c~kexec-fix-compilation-warning-on-xchgkexec_lock-0-in-kernel_kexec kernel/kexec.c
--- a/kernel/kexec.c~kexec-fix-compilation-warning-on-xchgkexec_lock-0-in-kernel_kexec
+++ a/kernel/kexec.c
@@ -1503,7 +1503,8 @@ int kernel_kexec(void)
}
Unlock:
- xchg(&kexec_lock, 0);
+ if (!xchg(&kexec_lock, 0))
+ BUG();
return error;
}
_
Patches currently in -mm which might be from ying.huang@xxxxxxxxx are
kexec-fix-compilation-warning-on-xchgkexec_lock-0-in-kernel_kexec.patch
kexec-jump-clean-up-ifdef-and-comments.patch
kexec-jump-rename-kexec_control_code_size-to-kexec_control_page_size.patch
kexec-jump-check-code-size-in-control-page.patch
kexec-jump-check-code-size-in-control-page-fix-2.patch
kexec-jump-remove-duplication-of-kexec_restart_prepare.patch
kexec-jump-in-sync-with-hibernation-implementation.patch
kexec-jump-__ftrace_enabled_save-restore.patch
kexec-jump-fix-for-ftrace.patch
--
To unsubscribe from this list: send the line "unsubscribe mm-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
