diff options
author | Michael Ellerman <mpe@ellerman.id.au> | 2014-07-10 19:34:31 +1000 |
---|---|---|
committer | Michael Ellerman <mpe@ellerman.id.au> | 2014-12-29 15:45:55 +1100 |
commit | 9a4fc4eaf111ca960c9f524b850598e9dbc9697f (patch) | |
tree | 0c34f91c32c3fb06161a3fadc30858ccd743d634 /arch/powerpc/kvm/book3s_hv_interrupts.S | |
parent | 803d57de2b27000ed4400d16561c75821efe8333 (diff) | |
download | op-kernel-dev-9a4fc4eaf111ca960c9f524b850598e9dbc9697f.zip op-kernel-dev-9a4fc4eaf111ca960c9f524b850598e9dbc9697f.tar.gz |
powerpc/kvm: Create proper names for the kvm_host_state PMU fields
We have two arrays in kvm_host_state that contain register values for
the PMU. Currently we only create an asm-offsets symbol for the base of
the arrays, and do the array offset in the assembly code.
Creating an asm-offsets symbol for each field individually makes the
code much nicer to read, particularly for the MMCRx/SIxR/SDAR fields, and
might have helped us notice the recent double restore bug we had in this
code.
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Acked-by: Alexander Graf <agraf@suse.de>
Diffstat (limited to 'arch/powerpc/kvm/book3s_hv_interrupts.S')
-rw-r--r-- | arch/powerpc/kvm/book3s_hv_interrupts.S | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/arch/powerpc/kvm/book3s_hv_interrupts.S b/arch/powerpc/kvm/book3s_hv_interrupts.S index 36540a9..0fdc4a2 100644 --- a/arch/powerpc/kvm/book3s_hv_interrupts.S +++ b/arch/powerpc/kvm/book3s_hv_interrupts.S @@ -93,15 +93,15 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S) mfspr r5, SPRN_MMCR1 mfspr r9, SPRN_SIAR mfspr r10, SPRN_SDAR - std r7, HSTATE_MMCR(r13) - std r5, HSTATE_MMCR + 8(r13) - std r6, HSTATE_MMCR + 16(r13) - std r9, HSTATE_MMCR + 24(r13) - std r10, HSTATE_MMCR + 32(r13) + std r7, HSTATE_MMCR0(r13) + std r5, HSTATE_MMCR1(r13) + std r6, HSTATE_MMCRA(r13) + std r9, HSTATE_SIAR(r13) + std r10, HSTATE_SDAR(r13) BEGIN_FTR_SECTION mfspr r9, SPRN_SIER - std r8, HSTATE_MMCR + 40(r13) - std r9, HSTATE_MMCR + 48(r13) + std r8, HSTATE_MMCR2(r13) + std r9, HSTATE_SIER(r13) END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S) mfspr r3, SPRN_PMC1 mfspr r5, SPRN_PMC2 @@ -109,12 +109,12 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S) mfspr r7, SPRN_PMC4 mfspr r8, SPRN_PMC5 mfspr r9, SPRN_PMC6 - stw r3, HSTATE_PMC(r13) - stw r5, HSTATE_PMC + 4(r13) - stw r6, HSTATE_PMC + 8(r13) - stw r7, HSTATE_PMC + 12(r13) - stw r8, HSTATE_PMC + 16(r13) - stw r9, HSTATE_PMC + 20(r13) + stw r3, HSTATE_PMC1(r13) + stw r5, HSTATE_PMC2(r13) + stw r6, HSTATE_PMC3(r13) + stw r7, HSTATE_PMC4(r13) + stw r8, HSTATE_PMC5(r13) + stw r9, HSTATE_PMC6(r13) 31: /* |