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| author | Yuanyuan Zhong <zyy@motorola.com> | 2013-10-30 16:31:49 (GMT) |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2013-10-30 22:10:10 (GMT) |
| commit | 384b38b66947b06999b3e39a596d4f2fb94f77e4 (patch) | |
| tree | 68679012484c135ae68a02f04682144d3c2e5384 /arch/arm | |
| parent | 0ea1ec713f04bdfac343c9702b21cd3a7c711826 (diff) | |
| download | linux-fsl-qoriq-384b38b66947b06999b3e39a596d4f2fb94f77e4.tar.xz | |
ARM: 7873/1: vfp: clear vfp_current_hw_state for dying cpu
The CPU_DYING notifier is called by cpu stopper task which
does not own the context held in the VFP hardware. Calling
vfp_force_reload() has no effect.
Replace it with clearing vfp_current_hw_state.
Signed-off-by: Yuanyuan Zhong <zyy@motorola.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/vfp/vfpmodule.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c index 52b8f40..2f37e1d 100644 --- a/arch/arm/vfp/vfpmodule.c +++ b/arch/arm/vfp/vfpmodule.c @@ -642,9 +642,9 @@ int vfp_restore_user_hwstate(struct user_vfp __user *ufp, static int vfp_hotplug(struct notifier_block *b, unsigned long action, void *hcpu) { - if (action == CPU_DYING || action == CPU_DYING_FROZEN) { - vfp_force_reload((long)hcpu, current_thread_info()); - } else if (action == CPU_STARTING || action == CPU_STARTING_FROZEN) + if (action == CPU_DYING || action == CPU_DYING_FROZEN) + vfp_current_hw_state[(long)hcpu] = NULL; + else if (action == CPU_STARTING || action == CPU_STARTING_FROZEN) vfp_enable(NULL); return NOTIFY_OK; } |