diff options
Diffstat (limited to 'arch/mips/kernel/cpu-bugs64.c')
| -rw-r--r-- | arch/mips/kernel/cpu-bugs64.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/arch/mips/kernel/cpu-bugs64.c b/arch/mips/kernel/cpu-bugs64.c index d6a18644365..2d80b5f1aea 100644 --- a/arch/mips/kernel/cpu-bugs64.c +++ b/arch/mips/kernel/cpu-bugs64.c @@ -6,6 +6,7 @@ * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ +#include <linux/context_tracking.h> #include <linux/init.h> #include <linux/kernel.h> #include <linux/ptrace.h> @@ -84,9 +85,9 @@ static inline void mult_sh_align_mod(long *v1, long *v2, long *w, ".set noreorder\n\t" ".set nomacro\n\t" "mult %2, %3\n\t" - "dsll32 %0, %4, %5\n\t" + "dsll32 %0, %4, %5\n\t" "mflo $0\n\t" - "dsll32 %1, %4, %5\n\t" + "dsll32 %1, %4, %5\n\t" "nop\n\t" ".set pop" : "=&r" (lv1), "=r" (lw) @@ -167,12 +168,16 @@ static inline void check_mult_sh(void) panic(bug64hit, !R4000_WAR ? r4kwar : nowar); } -static volatile int daddi_ov __cpuinitdata; +static volatile int daddi_ov; asmlinkage void __init do_daddi_ov(struct pt_regs *regs) { + enum ctx_state prev_state; + + prev_state = exception_enter(); daddi_ov = 1; regs->cp0_epc += 4; + exception_exit(prev_state); } static inline void check_daddi(void) @@ -239,7 +244,7 @@ static inline void check_daddi(void) panic(bug64hit, !DADDI_WAR ? daddiwar : nowar); } -int daddiu_bug = -1; +int daddiu_bug = -1; static inline void check_daddiu(void) { @@ -273,7 +278,7 @@ static inline void check_daddiu(void) #ifdef HAVE_AS_SET_DADDI ".set daddi\n\t" #endif - "daddiu %0, %2, %4\n\t" + "daddiu %0, %2, %4\n\t" "addiu %1, $0, %4\n\t" "daddu %1, %2\n\t" ".set pop" @@ -292,7 +297,7 @@ static inline void check_daddiu(void) asm volatile( "addiu %2, $0, %3\n\t" "dsrl %2, %2, 1\n\t" - "daddiu %0, %2, %4\n\t" + "daddiu %0, %2, %4\n\t" "addiu %1, $0, %4\n\t" "daddu %1, %2" : "=&r" (v), "=&r" (w), "=&r" (tmp) |