diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2009-12-18 14:34:43 +0000 |
|---|---|---|
| committer | Gary King <gking@nvidia.com> | 2010-06-15 21:35:19 -0700 |
| commit | 5648a3bbc09b7c4b404cbf52aab5fa7edbaffdf3 (patch) | |
| tree | 55cd7f92e645a1921875672e251d10576ac097a2 /arch/arm/include/asm | |
| parent | 5023d4720e7d7690581a7e27ae82515606428b61 (diff) | |
ARM: Convert VFP/Crunch/XscaleCP thread_release() to exit_thread()
This avoids races in the VFP code where the dead thread may have
state on another CPU. By moving this code to exit_thread(), we
will be running as the thread, and therefore be running on the
current CPU.
This means that we can ensure that the only local state is accessed
in the thread notifiers.
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Change-Id: I195ea8ce8f5f438166b402411eaff3f33f4b2490
Reviewed-on: http://git-master/r/2731
Reviewed-by: Krishna Reddy <vdumpa@nvidia.com>
Tested-by: Krishna Reddy <vdumpa@nvidia.com>
Reviewed-by: Gary King <gking@nvidia.com>
Diffstat (limited to 'arch/arm/include/asm')
| -rw-r--r-- | arch/arm/include/asm/thread_notify.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/include/asm/thread_notify.h b/arch/arm/include/asm/thread_notify.h index f27379d7f72a..c4391ba20350 100644 --- a/arch/arm/include/asm/thread_notify.h +++ b/arch/arm/include/asm/thread_notify.h @@ -41,7 +41,7 @@ static inline void thread_notify(unsigned long rc, struct thread_info *thread) * These are the reason codes for the thread notifier. */ #define THREAD_NOTIFY_FLUSH 0 -#define THREAD_NOTIFY_RELEASE 1 +#define THREAD_NOTIFY_EXIT 1 #define THREAD_NOTIFY_SWITCH 2 #endif |