diff options
Diffstat (limited to 'arch/mips/kernel/smtc-asm.S')
| -rw-r--r-- | arch/mips/kernel/smtc-asm.S | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/arch/mips/kernel/smtc-asm.S b/arch/mips/kernel/smtc-asm.S index c9d65196d917..76cb31d57482 100644 --- a/arch/mips/kernel/smtc-asm.S +++ b/arch/mips/kernel/smtc-asm.S @@ -8,7 +8,7 @@ #include <asm/regdef.h> #include <asm/asmmacro.h> #include <asm/stackframe.h> -#include <asm/stackframe.h> +#include <asm/irqflags.h> /* * "Software Interrupt" linkage. @@ -52,12 +52,12 @@ FEXPORT(__smtc_ipi_vector) .set noat /* Disable thread scheduling to make Status update atomic */ DMT 27 # dmt k1 - ehb + _ehb /* Set EXL */ mfc0 k0,CP0_STATUS ori k0,k0,ST0_EXL mtc0 k0,CP0_STATUS - ehb + _ehb /* Thread scheduling now inhibited by EXL. Restore TE state. */ andi k1,k1,VPECONTROL_TE beqz k1,1f @@ -82,7 +82,7 @@ FEXPORT(__smtc_ipi_vector) li k1,ST0_CU0 or k1,k1,k0 mtc0 k1,CP0_STATUS - ehb + _ehb get_saved_sp /* Interrupting TC will have pre-set values in slots in the new frame */ 2: subu k1,k1,PT_SIZE @@ -90,12 +90,13 @@ FEXPORT(__smtc_ipi_vector) lw k0,PT_TCSTATUS(k1) /* Write it to TCStatus to restore CU/KSU/IXMT state */ mtc0 k0,$2,1 - ehb + _ehb lw k0,PT_EPC(k1) mtc0 k0,CP0_EPC /* Save all will redundantly recompute the SP, but use it for now */ SAVE_ALL CLI + TRACE_IRQS_OFF move a0,sp /* Function to be invoked passed stack pad slot 5 */ lw t0,PT_PADSLOT5(sp) @@ -116,7 +117,7 @@ LEAF(self_ipi) mfc0 t0,CP0_TCSTATUS ori t1,t0,TCSTATUS_IXMT mtc0 t1,CP0_TCSTATUS - ehb + _ehb /* We know we're in kernel mode, so prepare stack frame */ subu t1,sp,PT_SIZE sw ra,PT_EPC(t1) |
