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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:50:03 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:50:03 +0000
commit01a69402cf9d38ff180345d55c2ee51c7e89fbc7 (patch)
treeb406c5242a088c4f59c6e4b719b783f43aca6ae9 /arch/arm64/kvm/reset.c
parentAdding upstream version 6.7.12. (diff)
downloadlinux-01a69402cf9d38ff180345d55c2ee51c7e89fbc7.tar.xz
linux-01a69402cf9d38ff180345d55c2ee51c7e89fbc7.zip
Adding upstream version 6.8.9.upstream/6.8.9
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm64/kvm/reset.c')
-rw-r--r--arch/arm64/kvm/reset.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/arch/arm64/kvm/reset.c b/arch/arm64/kvm/reset.c
index 5bb4de162c..68d1d05672 100644
--- a/arch/arm64/kvm/reset.c
+++ b/arch/arm64/kvm/reset.c
@@ -280,12 +280,11 @@ int __init kvm_set_ipa_limit(void)
parange = cpuid_feature_extract_unsigned_field(mmfr0,
ID_AA64MMFR0_EL1_PARANGE_SHIFT);
/*
- * IPA size beyond 48 bits could not be supported
- * on either 4K or 16K page size. Hence let's cap
- * it to 48 bits, in case it's reported as larger
- * on the system.
+ * IPA size beyond 48 bits for 4K and 16K page size is only supported
+ * when LPA2 is available. So if we have LPA2, enable it, else cap to 48
+ * bits, in case it's reported as larger on the system.
*/
- if (PAGE_SIZE != SZ_64K)
+ if (!kvm_lpa2_is_enabled() && PAGE_SIZE != SZ_64K)
parange = min(parange, (unsigned int)ID_AA64MMFR0_EL1_PARANGE_48);
/*