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authorNicholas Piggin <npiggin@gmail.com>2018-07-05 18:47:00 +1000
committerMichael Ellerman <mpe@ellerman.id.au>2018-07-16 11:37:21 +1000
commit2bf1071a8d50928a4ae366bb3108833166c2b70c (patch)
treeebffef07f7ebbb9bb1ba231c4cb8ff00cc6fd795 /arch/powerpc/kvm/book3s_hv_rmhandlers.S
parentce397d215ccd07b8ae3f71db689aedb85d56ab40 (diff)
downloadlinux-2bf1071a8d50928a4ae366bb3108833166c2b70c.tar.bz2
powerpc/64s: Remove POWER9 DD1 support
POWER9 DD1 was never a product. It is no longer supported by upstream firmware, and it is not effectively supported in Linux due to lack of testing. Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Reviewed-by: Michael Ellerman <mpe@ellerman.id.au> [mpe: Remove arch_make_huge_pte() entirely] Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/kvm/book3s_hv_rmhandlers.S')
-rw-r--r--arch/powerpc/kvm/book3s_hv_rmhandlers.S16
1 files changed, 2 insertions, 14 deletions
diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
index 153988d878e8..6e4554b273f1 100644
--- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S
+++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
@@ -917,9 +917,6 @@ END_FTR_SECTION_IFSET(CPU_FTR_DAWR)
mtspr SPRN_PID, r7
mtspr SPRN_WORT, r8
BEGIN_FTR_SECTION
- PPC_INVALIDATE_ERAT
-END_FTR_SECTION_IFSET(CPU_FTR_POWER9_DD1)
-BEGIN_FTR_SECTION
/* POWER8-only registers */
ld r5, VCPU_TCSCR(r4)
ld r6, VCPU_ACOP(r4)
@@ -1912,7 +1909,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_300)
ld r5, VCPU_KVM(r9)
lbz r0, KVM_RADIX(r5)
cmpwi cr2, r0, 0
- beq cr2, 4f
+ beq cr2, 2f
/*
* Radix: do eieio; tlbsync; ptesync sequence in case we
@@ -1952,11 +1949,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_300)
bdnz 1b
ptesync
-2: /* Flush the ERAT on radix P9 DD1 guest exit */
-BEGIN_FTR_SECTION
- PPC_INVALIDATE_ERAT
-END_FTR_SECTION_IFSET(CPU_FTR_POWER9_DD1)
-4:
+2:
#endif /* CONFIG_PPC_RADIX_MMU */
/*
@@ -3367,11 +3360,6 @@ END_FTR_SECTION_IFCLR(CPU_FTR_ARCH_300)
mtspr SPRN_CIABR, r0
mtspr SPRN_DAWRX, r0
- /* Flush the ERAT on radix P9 DD1 guest exit */
-BEGIN_FTR_SECTION
- PPC_INVALIDATE_ERAT
-END_FTR_SECTION_IFSET(CPU_FTR_POWER9_DD1)
-
BEGIN_MMU_FTR_SECTION
b 4f
END_MMU_FTR_SECTION_IFSET(MMU_FTR_TYPE_RADIX)