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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>
hifive-unleashed-5.1
Mahesh Salgaonkar 2014-10-07 15:55:33 +05:30 committed by Michael Ellerman
parent 1028ccf560
commit c675c7db62
1 changed files with 0 additions and 5 deletions
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5
arch/powerpc/kernel/exceptions-64s.S
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@ -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