linux/arch/x86
Sean Christopherson 277ad7d586 KVM: x86: Add dedicated helper to get CPUID entry with significant index
Add a second CPUID helper, kvm_find_cpuid_entry_index(), to handle KVM
queries for CPUID leaves whose index _may_ be significant, and drop the
index param from the existing kvm_find_cpuid_entry().  Add a WARN in the
inner helper, cpuid_entry2_find(), to detect attempts to retrieve a CPUID
entry whose index is significant without explicitly providing an index.

Using an explicit magic number and letting callers omit the index avoids
confusion by eliminating the myriad cases where KVM specifies '0' as a
dummy value.

Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2022-07-14 11:38:32 -04:00
..
boot Follow-up tweaks for the EFI changes in v5.19 2022-06-03 13:39:30 -07:00
coco Intel Trust Domain Extensions 2022-05-23 17:51:12 -07:00
configs x86/config: Make the x86 defconfigs a bit more usable 2022-03-27 20:58:35 +02:00
crypto crypto: x86 - eliminate anonymous module_init & module_exit 2022-04-08 16:13:31 +08:00
entry kernel-hardening updates for v5.19-rc1 2022-05-24 12:27:09 -07:00
events x86: events: Do not return bogus capabilities if PMU is broken 2022-06-08 13:06:15 -04:00
hyperv KVM: x86: lapic: Rename [GET/SET]_APIC_DEST_FIELD to [GET/SET]_XAPIC_DEST_FIELD 2022-06-24 12:44:34 -04:00
ia32 x86: Remove a.out support 2022-04-11 18:04:27 +02:00
include KVM: x86: Tweak name of MONITOR/MWAIT #UD quirk to make it #UD specific 2022-07-13 18:14:05 -07:00
kernel KVM: x86: lapic: Rename [GET/SET]_APIC_DEST_FIELD to [GET/SET]_XAPIC_DEST_FIELD 2022-06-24 12:44:34 -04:00
kvm KVM: x86: Add dedicated helper to get CPUID entry with significant index 2022-07-14 11:38:32 -04:00
lib Not a lot of material this cycle. Many singleton patches against various 2022-05-27 11:22:03 -07:00
math-emu x86/32: Remove lazy GS macros 2022-04-14 14:09:43 +02:00
mm Use PAGE_ALIGNED() instead of open coding it in the x86/mm code. 2022-06-05 10:57:35 -07:00
net bpf: Introduce bpf_arch_text_invalidate for bpf_prog_pack 2022-05-23 23:08:11 +02:00
pci pci-v5.19-changes 2022-05-27 15:25:10 -07:00
platform arch/x86: replace cpumask_weight with cpumask_empty where appropriate 2022-06-03 06:52:57 -07:00
power x86/cpu: Load microcode during restore_processor_state() 2022-04-19 19:37:05 +02:00
purgatory
ras
realmode Intel Trust Domain Extensions 2022-05-23 17:51:12 -07:00
tools
um um: Fix out-of-bounds read in LDT setup 2022-05-27 09:03:41 +02:00
video
virt/vmx/tdx x86/tdx: Provide common base for SEAMCALL and TDCALL C wrappers 2022-04-07 08:27:50 -07:00
xen More power management updates for 5.19-rc1 2022-05-30 11:37:26 -07:00
.gitignore
Kbuild
Kconfig X86 microcode updates: 2022-06-05 10:55:23 -07:00
Kconfig.assembler
Kconfig.cpu
Kconfig.debug x86/Kconfig: Fix indentation of arch/x86/Kconfig.debug 2022-05-25 15:39:27 +02:00
Makefile Kbuild updates for v5.19 2022-05-26 12:09:50 -07:00
Makefile_32.cpu
Makefile.um