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Diffstat (limited to 'arch/arm/vfp')
-rw-r--r--arch/arm/vfp/vfpinstr.h22
-rw-r--r--arch/arm/vfp/vfpmodule.c3
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;