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| author | Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com> | 2014-10-07 15:55:33 +0530 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2014-10-10 17:25:25 +1100 |
| commit | c675c7db629bd1abf4a9a36c0200686716eeea05 (patch) | |
| tree | 63d4d6201c1362a95b5ea9dcc153c60d7b1ec878 | |
| parent | 1028ccf560b97adbf272381a61a67e17d44d1054 (diff) | |
| download | op-kernel-dev-c675c7db629bd1abf4a9a36c0200686716eeea05.zip op-kernel-dev-c675c7db629bd1abf4a9a36c0200686716eeea05.tar.gz | |
powerpc/book3s: Don't clear MSR_RI in hmi handler.
In HMI interrupt handler we don't touch SRR0/SRR1, instead we touch
HSRR0/HSRR1. Hence we don't need to clear MSR_RI bit.
Signed-off-by: Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
| -rw-r--r-- | arch/powerpc/kernel/exceptions-64s.S | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S index 050f79a..72e783e 100644 --- a/arch/powerpc/kernel/exceptions-64s.S +++ b/arch/powerpc/kernel/exceptions-64s.S @@ -1270,11 +1270,6 @@ hmi_exception_early: addi r3,r1,STACK_FRAME_OVERHEAD bl hmi_exception_realmode /* Windup the stack. */ - /* Clear MSR_RI before setting SRR0 and SRR1. */ - li r0,MSR_RI - mfmsr r9 /* get MSR value */ - andc r9,r9,r0 - mtmsrd r9,1 /* Clear MSR_RI */ /* Move original HSRR0 and HSRR1 into the respective regs */ ld r9,_MSR(r1) mtspr SPRN_HSRR1,r9 |
