diff options
Diffstat (limited to 'arch/arm/vfp/vfpmodule.c')
| -rw-r--r-- | arch/arm/vfp/vfpmodule.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c index 86fb0be41ae1..01bc48d73847 100644 --- a/arch/arm/vfp/vfpmodule.c +++ b/arch/arm/vfp/vfpmodule.c @@ -723,12 +723,12 @@ void kernel_neon_begin(void) local_bh_disable(); /* - * Kernel mode NEON is only allowed outside of interrupt context - * with preemption disabled. This will make sure that the kernel - * mode NEON register contents never need to be preserved. + * Kernel mode NEON is only allowed outside of hardirq context with + * preemption and softirq processing disabled. This will make sure that + * the kernel mode NEON register contents never need to be preserved. */ - BUG_ON(in_interrupt()); - cpu = get_cpu(); + BUG_ON(in_hardirq()); + cpu = __smp_processor_id(); fpexc = fmrx(FPEXC) | FPEXC_EN; fmxr(FPEXC, fpexc); @@ -744,7 +744,6 @@ void kernel_neon_begin(void) vfp_save_state(vfp_current_hw_state[cpu], fpexc); #endif vfp_current_hw_state[cpu] = NULL; - local_bh_enable(); } EXPORT_SYMBOL(kernel_neon_begin); @@ -752,7 +751,7 @@ void kernel_neon_end(void) { /* Disable the NEON/VFP unit. */ fmxr(FPEXC, fmrx(FPEXC) & ~FPEXC_EN); - put_cpu(); + local_bh_enable(); } EXPORT_SYMBOL(kernel_neon_end); |