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powerpc/64s: Fix conversion of slb_miss_common to use RFI_TO_USER/KERNEL

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The back port of commit c7305645eb ("powerpc/64s: Convert
slb_miss_common to use RFI_TO_USER/KERNEL") missed a hunk needed to
restore cr6.

Fixes: 48cc95d4e4 ("powerpc/64s: Convert slb_miss_common to use RFI_TO_USER/KERNEL")
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Michael Ellerman
2018-02-22 23:35:43 +11:00
committed by Greg Kroah-Hartman
parent e767d35329
commit 3146a32b39
1 changed files with 1 additions and 0 deletions
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arch/powerpc/kernel/exceptions-64s.S
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@@ -680,6 +680,7 @@ END_MMU_FTR_SECTION_IFCLR(MMU_FTR_TYPE_RADIX)
.machine push
.machine "power4"
mtcrf 0x80,r9
mtcrf 0x02,r9 /* I/D indication is in cr6 */
mtcrf 0x01,r9 /* slb_allocate uses cr0 and cr7 */
.machine pop