| commit | 6aa4228bd68cb251ccb5f802c015b494c6a10f19 | |
| author | Chenyi Qiang <chenyi.qiang@intel.com> | |
| Fri, 5 Feb 2021 08:33:24 +0000 (5 16:33 +0800) | ||
| committer | Paolo Bonzini <pbonzini@redhat.com> | |
| Mon, 8 Feb 2021 14:15:32 +0000 (8 15:15 +0100) | ||
| tree | 889b4bf17d4c2bd8a7e9133abacee2de2e140215 | treesnapshot (tar.gz zip) |
| parent | 735754aaa15a6ed46db51fd731e88331c446ea54 | commitdiff |
target/i386: Add support for save/load IA32_PKRS MSR
PKS introduces MSR IA32_PKRS(0x6e1) to manage the supervisor protection
key rights. Page access and writes can be managed via the MSR update
without TLB flushes when permissions change.
Add the support to save/load IA32_PKRS MSR in guest.
Signed-off-by: Chenyi Qiang <chenyi.qiang@intel.com>
Message-Id: <20210205083325.13880-2-chenyi.qiang@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
PKS introduces MSR IA32_PKRS(0x6e1) to manage the supervisor protection
key rights. Page access and writes can be managed via the MSR update
without TLB flushes when permissions change.
Add the support to save/load IA32_PKRS MSR in guest.
Signed-off-by: Chenyi Qiang <chenyi.qiang@intel.com>
Message-Id: <20210205083325.13880-2-chenyi.qiang@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
| target/i386/kvm/kvm.c | diffblobblamehistory |