diff options
Diffstat (limited to 'arch/arm/vfp')
-rw-r--r-- | arch/arm/vfp/vfpinstr.h | 22 | ||||
-rw-r--r-- | arch/arm/vfp/vfpmodule.c | 3 |
2 files changed, 2 insertions, 23 deletions
diff --git a/arch/arm/vfp/vfpinstr.h b/arch/arm/vfp/vfpinstr.h index 32090b0fb250..a2f0c47e0ce7 100644 --- a/arch/arm/vfp/vfpinstr.h +++ b/arch/arm/vfp/vfpinstr.h @@ -62,8 +62,6 @@ #define FPSCR_C (1 << 29) #define FPSCR_V (1 << 28) -#ifdef CONFIG_AS_VFP_VMRS_FPINST - #define fmrx(_vfp_) ({ \ u32 __v; \ asm volatile (".fpu vfpv2\n" \ @@ -78,26 +76,6 @@ : : "r" (_var_) : "cc"); \ }) -#else - -#define vfpreg(_vfp_) #_vfp_ - -#define fmrx(_vfp_) ({ \ - u32 __v; \ - asm volatile ("mrc p10, 7, %0, " vfpreg(_vfp_) "," \ - "cr0, 0 @ fmrx %0, " #_vfp_ \ - : "=r" (__v) : : "cc"); \ - __v; \ -}) - -#define fmxr(_vfp_, _var_) ({ \ - asm volatile ("mcr p10, 7, %0, " vfpreg(_vfp_) "," \ - "cr0, 0 @ fmxr " #_vfp_ ", %0" \ - : : "r" (_var_) : "cc"); \ -}) - -#endif - u32 vfp_single_cpdo(u32 inst, u32 fpscr); u32 vfp_single_cprt(u32 inst, u32 fpscr, struct pt_regs *regs); diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c index d44867fc0c5e..e559ad3cd148 100644 --- a/arch/arm/vfp/vfpmodule.c +++ b/arch/arm/vfp/vfpmodule.c @@ -168,7 +168,7 @@ static void vfp_thread_copy(struct thread_info *thread) /* * When this function is called with the following 'cmd's, the following * is true while this function is being run: - * THREAD_NOFTIFY_SWTICH: + * THREAD_NOTIFY_SWITCH: * - the previously running thread will not be scheduled onto another CPU. * - the next thread to be run (v) will not be running on another CPU. * - thread->cpu is the local CPU number @@ -877,6 +877,7 @@ void kernel_neon_begin(void) * the kernel mode NEON register contents never need to be preserved. */ BUG_ON(in_hardirq()); + BUG_ON(irqs_disabled()); cpu = __smp_processor_id(); fpexc = fmrx(FPEXC) | FPEXC_EN; |