Merge branch 'x86-platform-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...

[mirror_ubuntu-bionic-kernel.git] / arch / powerpc / kvm / book3s_hv_interrupts.S

diff --git a/arch/powerpc/kvm/book3s_hv_interrupts.S b/arch/powerpc/kvm/book3s_hv_interrupts.S
index e873796b1a2931eabd3c9ecb716a2c415eaba7f2..e18e3cfc32debeb21248301c078c229ab59c5e8e 100644 (file)
--- a/arch/powerpc/kvm/book3s_hv_interrupts.S
+++ b/arch/powerpc/kvm/book3s_hv_interrupts.S
@@ -71,6 +71,14 @@ END_FTR_SECTION_IFCLR(CPU_FTR_ARCH_207S)
        mtmsrd  r10,1
 
        /* Save host PMU registers */
+BEGIN_FTR_SECTION
+       /* Work around P8 PMAE bug */
+       li      r3, -1
+       clrrdi  r3, r3, 10
+       mfspr   r8, SPRN_MMCR2
+       mtspr   SPRN_MMCR2, r3          /* freeze all counters using MMCR2 */
+       isync
+END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S)
        li      r3, 1
        sldi    r3, r3, 31              /* MMCR0_FC (freeze counters) bit */
        mfspr   r7, SPRN_MMCR0          /* save MMCR0 */
@@ -87,9 +95,18 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_206)
        cmpwi   r5, 0
        beq     31f                     /* skip if not */
        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)
+BEGIN_FTR_SECTION
+       mfspr   r9, SPRN_SIER
+       std     r8, HSTATE_MMCR + 40(r13)
+       std     r9, HSTATE_MMCR + 48(r13)
+END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S)
        mfspr   r3, SPRN_PMC1
        mfspr   r5, SPRN_PMC2
        mfspr   r6, SPRN_PMC3
@@ -110,6 +127,11 @@ BEGIN_FTR_SECTION
        stw     r10, HSTATE_PMC + 24(r13)
        stw     r11, HSTATE_PMC + 28(r13)
 END_FTR_SECTION_IFSET(CPU_FTR_ARCH_201)
+BEGIN_FTR_SECTION
+       mfspr   r9, SPRN_SIER
+       std     r8, HSTATE_MMCR + 40(r13)
+       std     r9, HSTATE_MMCR + 48(r13)
+END_FTR_SECTION_IFSET(CPU_FTR_ARCH_207S)
 31:
 
        /*