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Oliver Upton 01b4f510b9 kvm: x86: ensure pv_cpuid.features is initialized when enabling cap 
Make the paravirtual cpuid enforcement mechanism idempotent to ioctl()
ordering by updating pv_cpuid.features whenever userspace requests the
capability. Extract this update out of kvm_update_cpuid_runtime() into a
new helper function and move its other call site into
kvm_vcpu_after_set_cpuid() where it more likely belongs.

Fixes: 66570e966dd9 ("kvm: x86: only provide PV features if enabled in guest's CPUID")
Signed-off-by: Oliver Upton <oupton@google.com>
Reviewed-by: Peter Shier <pshier@google.com>
Message-Id: <20201027231044.655110-5-oupton@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-11-08 04:41:29 -05:00
..
boot
treewide: Convert macro and uses of __section(foo) to __section("foo")
2020-10-25 14:51:49 -07:00
configs
* A defconfig fix, from Daniel Díaz.
2020-09-20 15:06:43 -07:00
crypto
crypto: x86/poly1305 - Remove assignments with no effect
2020-10-02 18:02:13 +10:00
entry
Kbuild updates for v5.10
2020-10-22 13:13:57 -07:00
events
These are the performance events changes for v5.10:
2020-10-12 14:14:35 -07:00
hyperv
x86/hyperv: Remove aliases with X64 in their name
2020-09-28 09:01:07 +00:00
ia32
x86: remove address space overrides using set_fs()
2020-09-08 22:21:36 -04:00
include
x86/kvm: Reserve KVM_FEATURE_MSI_EXT_DEST_ID
2020-10-28 13:52:05 -04:00
kernel
treewide: Convert macro and uses of __section(foo) to __section("foo")
2020-10-25 14:51:49 -07:00
kvm
kvm: x86: ensure pv_cpuid.features is initialized when enabling cap
2020-11-08 04:41:29 -05:00
lib
Merge branch 'work.set_fs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2020-10-22 09:59:21 -07:00
math-emu
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
mm
treewide: Convert macro and uses of __section(foo) to __section("foo")
2020-10-25 14:51:49 -07:00
net
bpf: x64: Do not emit sub/add 0, %rsp when !stack_depth
2020-09-29 16:47:39 -07:00
oprofile
…
pci
pci-v5.10-changes
2020-10-22 12:41:00 -07:00
platform
treewide: Convert macro and uses of __section(foo) to __section("foo")
2020-10-25 14:51:49 -07:00
power
Kbuild updates for v5.9
2020-08-09 14:10:26 -07:00
purgatory
treewide: Convert macro and uses of __section(foo) to __section("foo")
2020-10-25 14:51:49 -07:00
ras
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
realmode
x86/head/64: Don't call verify_cpu() on starting APs
2020-09-09 11:33:20 +02:00
tools
x86/insn: Make inat-tables.c suitable for pre-decompression code
2020-09-07 19:45:24 +02:00
um
treewide: Convert macro and uses of __section(foo) to __section("foo")
2020-10-25 14:51:49 -07:00
video
…
xen
treewide: Convert macro and uses of __section(foo) to __section("foo")
2020-10-25 14:51:49 -07:00
.gitignore
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
Kbuild
…
Kconfig
This feature enhances the current guest memory encryption support
2020-10-14 10:21:34 -07:00
Kconfig.assembler
x86/delay: Introduce TPAUSE delay
2020-05-07 16:06:20 +02:00
Kconfig.cpu
treewide: replace '---help---' in Kconfig files with 'help'
2020-06-14 01:57:21 +09:00
Kconfig.debug
x86, powerpc: Rename memcpy_mcsafe() to copy_mc_to_{user, kernel}()
2020-10-06 11:18:04 +02:00
Makefile
x86/build: Warn on orphan section placement
2020-09-03 10:28:36 +02:00
Makefile_32.cpu
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Makefile.um
…