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| author | Peter Maydell <peter.maydell@linaro.org> | 2022-03-21 21:27:14 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2022-03-21 21:27:14 +0000 |
| commit | 48fb0a826eea2e7b0135f49e7fa63e7efe2b7677 (patch) | |
| tree | 5888a607833f4a9a4b9bd84f4e1494a8c8ddd414 /hw/i386/amd_iommu.c | |
| parent | 330724977b10f5b92610817e8b7d1dfed122df87 (diff) | |
| parent | 17e6ffa6a5d2674cb2ebfd967d28b1048261d977 (diff) | |
| download | qemu-48fb0a826eea2e7b0135f49e7fa63e7efe2b7677.zip qemu-48fb0a826eea2e7b0135f49e7fa63e7efe2b7677.tar.gz qemu-48fb0a826eea2e7b0135f49e7fa63e7efe2b7677.tar.bz2 | |
Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging
Bugfixes.
# gpg: Signature made Mon 21 Mar 2022 14:57:57 GMT
# gpg: using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg: issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1
# Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83
* tag 'for-upstream' of https://gitlab.com/bonzini/qemu:
hw/i386/amd_iommu: Fix maybe-uninitialized error with GCC 12
target/i386: kvm: do not access uninitialized variable on older kernels
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/i386/amd_iommu.c')
| -rw-r--r-- | hw/i386/amd_iommu.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/hw/i386/amd_iommu.c b/hw/i386/amd_iommu.c index 9dd9b0e..ea8eaeb 100644 --- a/hw/i386/amd_iommu.c +++ b/hw/i386/amd_iommu.c @@ -913,7 +913,7 @@ static void amdvi_page_walk(AMDVIAddressSpace *as, uint64_t *dte, } /* we are at the leaf page table or page table encodes a huge page */ - while (level > 0) { + do { pte_perms = amdvi_get_perms(pte); present = pte & 1; if (!present || perms != (perms & pte_perms)) { @@ -932,10 +932,7 @@ static void amdvi_page_walk(AMDVIAddressSpace *as, uint64_t *dte, } oldlevel = level; level = get_pte_translation_mode(pte); - if (level == 0x7) { - break; - } - } + } while (level > 0 && level < 7); if (level == 0x7) { page_mask = pte_override_page_mask(pte); |