diff options
| author | Satya Durga Srinivasu Prabhala <satyap@codeaurora.org> | 2016-08-15 11:01:47 -0700 |
|---|---|---|
| committer | Satya Durga Srinivasu Prabhala <satyap@codeaurora.org> | 2016-08-15 15:10:12 -0700 |
| commit | 0a3bee11ebe2d5da0d4432ec6530a708694bd3d4 (patch) | |
| tree | a701982e3b6873525480f997a6eda46404829b7f /arch/arm64/kernel | |
| parent | 787ddf0e6e4f22cb4666b9069f4bbfec8dc46895 (diff) | |
Revert "arm64: fpsimd: add support to enable/disable fpsimd_settings."
This reverts commit 1f7d497b0ace ("arm64: fpsimd: add support to
enable/disable fpsimd_settings.").
Feature is not applicable to msmcobalt and only applicable
to MSM8996.
CRs-Fixed: 1054373
Change-Id: I8d11c596d61f0435f4ee2d1007f4903843650aed
Signed-off-by: Satya Durga Srinivasu Prabhala <satyap@codeaurora.org>
Diffstat (limited to 'arch/arm64/kernel')
| -rw-r--r-- | arch/arm64/kernel/fpsimd.c | 15 |
1 files changed, 1 insertions, 14 deletions
diff --git a/arch/arm64/kernel/fpsimd.c b/arch/arm64/kernel/fpsimd.c index 74bc79e99717..10133c0c60f4 100644 --- a/arch/arm64/kernel/fpsimd.c +++ b/arch/arm64/kernel/fpsimd.c @@ -20,7 +20,6 @@ #include <linux/cpu.h> #include <linux/cpu_pm.h> #include <linux/kernel.h> -#include <linux/module.h> #include <linux/init.h> #include <linux/sched.h> #include <linux/signal.h> @@ -91,17 +90,11 @@ static DEFINE_PER_CPU(struct fpsimd_state *, fpsimd_last_state); static DEFINE_PER_CPU(int, fpsimd_stg_enable); -static int fpsimd_settings = 0x1; /* default = 0x1 */ -module_param(fpsimd_settings, int, 0644); - /* * Trapped FP/ASIMD access. */ void do_fpsimd_acc(unsigned int esr, struct pt_regs *regs) { - if (!fpsimd_settings) - return; - fpsimd_disable_trap(); fpsimd_settings_disable(); this_cpu_write(fpsimd_stg_enable, 0); @@ -109,9 +102,6 @@ void do_fpsimd_acc(unsigned int esr, struct pt_regs *regs) void do_fpsimd_acc_compat(unsigned int esr, struct pt_regs *regs) { - if (!fpsimd_settings) - return; - fpsimd_disable_trap(); fpsimd_settings_enable(); this_cpu_write(fpsimd_stg_enable, 1); @@ -154,7 +144,7 @@ void fpsimd_thread_switch(struct task_struct *next) if (current->mm && !test_thread_flag(TIF_FOREIGN_FPSTATE)) fpsimd_save_state(¤t->thread.fpsimd_state); - if (fpsimd_settings && __this_cpu_read(fpsimd_stg_enable)) { + if (__this_cpu_read(fpsimd_stg_enable)) { fpsimd_settings_disable(); this_cpu_write(fpsimd_stg_enable, 0); } @@ -177,9 +167,6 @@ void fpsimd_thread_switch(struct task_struct *next) set_ti_thread_flag(task_thread_info(next), TIF_FOREIGN_FPSTATE); - if (!fpsimd_settings) - return; - if (test_ti_thread_flag(task_thread_info(next), TIF_32BIT)) fpsimd_enable_trap(); else |