diff options
Diffstat (limited to 'arch/ia64')
| -rw-r--r-- | arch/ia64/kernel/mca_drv.c | 4 | ||||
| -rw-r--r-- | arch/ia64/kernel/mca_drv_asm.S | 18 |
2 files changed, 17 insertions, 5 deletions
diff --git a/arch/ia64/kernel/mca_drv.c b/arch/ia64/kernel/mca_drv.c index ab478172c349..abc0113a821d 100644 --- a/arch/ia64/kernel/mca_drv.c +++ b/arch/ia64/kernel/mca_drv.c @@ -132,8 +132,7 @@ mca_handler_bh(unsigned long paddr) spin_unlock(&mca_bh_lock); /* This process is about to be killed itself */ - force_sig(SIGKILL, current); - schedule(); + do_exit(SIGKILL); } /** @@ -439,6 +438,7 @@ recover_from_read_error(slidx_table_t *slidx, peidx_table_t *peidx, pal_bus_chec psr2 = (struct ia64_psr *)&pmsa->pmsa_ipsr; psr2->cpl = 0; psr2->ri = 0; + psr2->i = 0; return 1; } diff --git a/arch/ia64/kernel/mca_drv_asm.S b/arch/ia64/kernel/mca_drv_asm.S index bcfa05acc561..2d7e0217638d 100644 --- a/arch/ia64/kernel/mca_drv_asm.S +++ b/arch/ia64/kernel/mca_drv_asm.S @@ -10,6 +10,7 @@ #include <asm/asmmacro.h> #include <asm/processor.h> +#include <asm/ptrace.h> GLOBAL_ENTRY(mca_handler_bhhook) invala // clear RSE ? @@ -20,12 +21,21 @@ GLOBAL_ENTRY(mca_handler_bhhook) ;; alloc r16=ar.pfs,0,2,1,0 // make a new frame ;; + mov ar.rsc=0 + ;; mov r13=IA64_KR(CURRENT) // current task pointer ;; - adds r12=IA64_TASK_THREAD_KSP_OFFSET,r13 + mov r2=r13 + ;; + addl r22=IA64_RBS_OFFSET,r2 + ;; + mov ar.bspstore=r22 ;; - ld8 r12=[r12] // stack pointer + addl sp=IA64_STK_OFFSET-IA64_PT_REGS_SIZE,r2 ;; + adds r2=IA64_TASK_THREAD_ON_USTACK_OFFSET,r13 + ;; + st1 [r2]=r0 // clear current->thread.on_ustack flag mov loc0=r16 movl loc1=mca_handler_bh // recovery C function ;; @@ -34,7 +44,9 @@ GLOBAL_ENTRY(mca_handler_bhhook) ;; mov loc1=rp ;; - br.call.sptk.many rp=b6 // not return ... + ssm psr.i + ;; + br.call.sptk.many rp=b6 // does not return ... ;; mov ar.pfs=loc0 mov rp=loc1 |