github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-23 22:52:19 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

KVM: x86: Add proper ReST tables for userspace MSR exits/flags

Browse Source 
Add ReST formatting to the set of userspace MSR exits/flags so that the
resulting HTML docs generate a table instead of malformed gunk.  This
also fixes a warning that was introduced by a recent cleanup of the
relevant documentation (yay copy+paste).

 >> Documentation/virt/kvm/api.rst:7287: WARNING: Block quote ends
    without a blank line; unexpected unindent.

Fixes: 1ae099540e ("KVM: x86: Allow deflecting unknown MSR accesses to user space")
Fixes: 1f15814718 ("KVM: x86: Clean up KVM_CAP_X86_USER_SPACE_MSR documentation")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20221207000959.2035098-1-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Sean Christopherson 2022-12-07 00:09:59 +00:00 committed by Paolo Bonzini
parent 9352e7470a
commit 549a715b98
1 changed files with 12 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
Documentation/virt/kvm/api.rst
View File

@ -6455,9 +6455,11 @@ The "reason" field specifies why the MSR interception occurred. Userspace will
only receive MSR exits when a particular reason was requested during through
ENABLE_CAP. Currently valid exit reasons are:
KVM_MSR_EXIT_REASON_UNKNOWN - access to MSR that is unknown to KVM
KVM_MSR_EXIT_REASON_INVAL - access to invalid MSRs or reserved bits
KVM_MSR_EXIT_REASON_FILTER - access blocked by KVM_X86_SET_MSR_FILTER
============================ ========================================
KVM_MSR_EXIT_REASON_UNKNOWN access to MSR that is unknown to KVM
KVM_MSR_EXIT_REASON_INVAL access to invalid MSRs or reserved bits
KVM_MSR_EXIT_REASON_FILTER access blocked by KVM_X86_SET_MSR_FILTER
============================ ========================================
For KVM_EXIT_X86_RDMSR, the "index" field tells userspace which MSR the guest
wants to read. To respond to this request with a successful read, userspace
@ -7256,11 +7258,13 @@ to inform a user that an MSR was not emulated/virtualized by KVM.
The valid mask flags are:
KVM_MSR_EXIT_REASON_UNKNOWN - intercept accesses to unknown (to KVM) MSRs
KVM_MSR_EXIT_REASON_INVAL - intercept accesses that are architecturally
invalid according to the vCPU model and/or mode
KVM_MSR_EXIT_REASON_FILTER - intercept accesses that are denied by userspace
via KVM_X86_SET_MSR_FILTER
============================ ===============================================
KVM_MSR_EXIT_REASON_UNKNOWN intercept accesses to unknown (to KVM) MSRs
KVM_MSR_EXIT_REASON_INVAL intercept accesses that are architecturally
invalid according to the vCPU model and/or mode
KVM_MSR_EXIT_REASON_FILTER intercept accesses that are denied by userspace
via KVM_X86_SET_MSR_FILTER
============================ ===============================================
7.22 KVM_CAP_X86_BUS_LOCK_EXIT
-------------------------------