00b6d2ec43
- Replace patch to fix hardcoded binfmt handler (bsc#1186256) * Patches dropped: qemu-binfmt-conf.sh-allow-overriding-SUS.patch * Patches added: qemu-binfmt-conf.sh-should-use-F-as-shor.patch - Stable fixes from upstream * Patches added: 9pfs-fix-crash-in-v9fs_walk.patch i386-cpu-Remove-AVX_VNNI-feature-from-Co.patch plugins-do-not-limit-exported-symbols-if.patch plugins-execlog-removed-unintended-s-at-.patch qemu-sockets-fix-unix-socket-path-copy-a.patch target-i386-add-missing-bits-to-CR4_RESE.patch virtio-balloon-don-t-start-free-page-hin.patch OBS-URL: https://build.opensuse.org/request/show/919019 OBS-URL: https://build.opensuse.org/package/show/Virtualization/qemu?expand=0&rev=672
54 lines
2.2 KiB
Diff
54 lines
2.2 KiB
Diff
From: =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= <berrange@redhat.com>
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Date: Tue, 31 Aug 2021 18:50:33 +0100
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Subject: target/i386: add missing bits to CR4_RESERVED_MASK
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Git-commit: 69e3895f9d37ca39536775b13ce63e8c291427ba
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Booting Fedora kernels with -cpu max hangs very early in boot. Disabling
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the la57 CPUID bit fixes the problem. git bisect traced the regression to
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commit 213ff024a2f92020290296cb9dc29c2af3d4a221 (HEAD, refs/bisect/bad)
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Author: Lara Lazier <laramglazier@gmail.com>
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Date: Wed Jul 21 17:26:50 2021 +0200
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target/i386: Added consistency checks for CR4
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All MBZ bits in CR4 must be zero. (APM2 15.5)
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Added reserved bitmask and added checks in both
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helper_vmrun and helper_write_crN.
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Signed-off-by: Lara Lazier <laramglazier@gmail.com>
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Message-Id: <20210721152651.14683-2-laramglazier@gmail.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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In this commit CR4_RESERVED_MASK is missing CR4_LA57_MASK and
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two others. Adding this lets Fedora kernels boot once again.
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Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
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Tested-by: Richard W.M. Jones <rjones@redhat.com>
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Message-Id: <20210831175033.175584-1-berrange@redhat.com>
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[Removed VMXE/SMXE, matching the commit message. - Paolo]
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Fixes: 213ff024a2 ("target/i386: Added consistency checks for CR4", 2021-07-22)
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Cc: qemu-stable@nongnu.org
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Signed-off-by: Jose R. Ziviani <jziviani@suse.de>
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---
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target/i386/cpu.h | 1 +
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1 file changed, 1 insertion(+)
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diff --git a/target/i386/cpu.h b/target/i386/cpu.h
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index 6c50d3ab4f1d38b4cbaf78c84ac0..21b33fbe2e696dabe06228b20d2e 100644
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--- a/target/i386/cpu.h
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+++ b/target/i386/cpu.h
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@@ -257,6 +257,7 @@ typedef enum X86Seg {
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| CR4_DE_MASK | CR4_PSE_MASK | CR4_PAE_MASK \
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| CR4_MCE_MASK | CR4_PGE_MASK | CR4_PCE_MASK \
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| CR4_OSFXSR_MASK | CR4_OSXMMEXCPT_MASK |CR4_UMIP_MASK \
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+ | CR4_LA57_MASK \
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| CR4_FSGSBASE_MASK | CR4_PCIDE_MASK | CR4_OSXSAVE_MASK \
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| CR4_SMEP_MASK | CR4_SMAP_MASK | CR4_PKE_MASK | CR4_PKS_MASK))
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