diff options
| author | Yuanyuan Zhong <zyy@motorola.com> | 2013-10-30 17:31:49 +0100 |
|---|---|---|
| committer | Nicolin Chen <Guangyu.Chen@freescale.com> | 2014-01-24 17:38:13 +0800 |
| commit | 93e5d4ce0373789ace11c1e5c5e91cab73790d48 (patch) | |
| tree | 0931847b4e3daca8a174908885ee2ebd631722a2 | |
| parent | c298e9a99970c4e20972159cbba4828106ffcb53 (diff) | |
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>
(cherry picked from commit 384b38b66947b06999b3e39a596d4f2fb94f77e4)
| -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 5dfbb0b8e7f4..076c2f43a859 100644 --- a/arch/arm/vfp/vfpmodule.c +++ b/arch/arm/vfp/vfpmodule.c @@ -641,9 +641,9 @@ 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; } |