https://github.com/torvalds/linux
Revision fae1a3e775cca8c3a9e0eb34443b310871a15a92 authored by Paolo Bonzini on 20 December 2017, 23:49:14 UTC, committed by Paolo Bonzini on 21 December 2017, 11:59:54 UTC
rsm_load_state_64() and rsm_enter_protected_mode() load CR3, then CR4 & ~PCIDE, then CR0, then CR4. However, setting CR4.PCIDE fails if CR3[11:0] != 0. It's probably easier in the long run to replace rsm_enter_protected_mode() with an emulator callback that sets all the special registers (like KVM_SET_SREGS would do). For now, set the PCID field of CR3 only after CR4.PCIDE is 1. Reported-by: Laszlo Ersek <lersek@redhat.com> Tested-by: Laszlo Ersek <lersek@redhat.com> Fixes: 660a5d517aaab9187f93854425c4c63f4a09195c Cc: stable@vger.kernel.org Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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History 
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Tip revision: fae1a3e775cca8c3a9e0eb34443b310871a15a92 authored by Paolo Bonzini on 20 December 2017, 23:49:14 UTC
kvm: x86: fix RSM when PCID is non-zero
kvm: x86: fix RSM when PCID is non-zero
Tip revision: fae1a3e
| File | Mode | Size |
|---|---|---|
| Documentation | ||
| arch | ||
| block | ||
| certs | ||
| crypto | ||
| drivers | ||
| firmware | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .cocciconfig | -rw-r--r-- | 59 bytes |
| .get_maintainer.ignore | -rw-r--r-- | 31 bytes |
| .gitattributes | -rw-r--r-- | 30 bytes |
| .gitignore | -rw-r--r-- | 1.4 KB |
| .mailmap | -rw-r--r-- | 8.8 KB |
| COPYING | -rw-r--r-- | 18.3 KB |
| CREDITS | -rw-r--r-- | 96.2 KB |
| Kbuild | -rw-r--r-- | 2.2 KB |
| Kconfig | -rw-r--r-- | 287 bytes |
| MAINTAINERS | -rw-r--r-- | 426.3 KB |
| Makefile | -rw-r--r-- | 58.3 KB |
| README | -rw-r--r-- | 722 bytes |
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