AuxXxilium/linux_dsm_epyc7002
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6b546e1c9a
linux_dsm_epyc7002/arch/x86/kvm
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Thomas Gleixner 6b546e1c9a x86/tss: Fix and move VMX BUILD_BUG_ON() 
The BUILD_BUG_ON(IO_BITMAP_OFFSET - 1 == 0x67) in the VMX code is bogus in
two aspects:

1) This wants to be in generic x86 code simply to catch issues even when
   VMX is disabled in Kconfig.

2) The IO_BITMAP_OFFSET is not the right thing to check because it makes
   asssumptions about the layout of tss_struct. Nothing requires that the
   I/O bitmap is placed right after x86_tss, which is the hardware mandated
   tss structure. It pointlessly makes restrictions on the struct
   tss_struct layout.

The proper thing to check is:

    - Offset of x86_tss in tss_struct is 0
    - Size of x86_tss == 0x68

Move it to the other build time TSS checks and make it do the right thing.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Acked-by: Andy Lutomirski <luto@kernel.org>
2019-11-16 11:24:00 +01:00
..
vmx x86/tss: Fix and move VMX BUILD_BUG_ON() 2019-11-16 11:24:00 +01:00
cpuid.c kvm: x86: Expose RDPID in KVM_GET_SUPPORTED_CPUID 2019-10-22 13:31:12 +02:00
cpuid.h x86/cpufeatures: Combine word 11 and 12 into a new scattered features word 2019-06-20 12:38:44 +02:00
debugfs.c KVM: no need to check return value of debugfs_create functions 2019-08-05 12:55:49 +02:00
emulate.c KVM: x86: set ctxt->have_exception in x86_decode_insn() 2019-09-11 18:01:34 +02:00
hyperv.c KVM: x86: hyper-v: set NoNonArchitecturalCoreSharing CPUID bit when SMT is impossible 2019-09-24 13:37:30 +02:00
hyperv.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 499 2019-06-19 17:09:53 +02:00
i8254.c kvm: x86: Add memcg accounting to KVM allocations 2019-02-20 22:48:30 +01:00
i8254.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
i8259.c kvm: x86: Add memcg accounting to KVM allocations 2019-02-20 22:48:30 +01:00
ioapic.c kvm: x86: ioapic and apic debug macros cleanup 2019-07-15 20:39:01 +02:00
ioapic.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
irq_comm.c KVM/arm updates for 5.3 2019-07-11 15:14:16 +02:00
irq.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 320 2019-06-05 17:37:05 +02:00
irq.h KVM/arm updates for 5.3 2019-07-11 15:14:16 +02:00
Kconfig kvm: x86: add host poll control msrs 2019-06-18 11:43:46 +02:00
kvm_cache_regs.h KVM: x86: use direct accessors for RIP and RSP 2019-04-30 22:07:26 +02:00
lapic.c KVM: SVM: Fix potential wrong physical id in avic_handle_ldr_update 2019-10-22 18:47:50 +02:00
lapic.h KVM: SVM: Fix potential wrong physical id in avic_handle_ldr_update 2019-10-22 18:47:50 +02:00
Makefile KVM: x86: fix TRACE_INCLUDE_PATH and remove -I. header search paths 2019-01-25 19:12:37 +01:00
mmu_audit.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 499 2019-06-19 17:09:53 +02:00
mmu.c KVM: x86: fix nested guest live migration with PML 2019-09-27 13:13:39 +02:00
mmu.h KVM: x86/mmu: Add explicit access mask for MMIO SPTEs 2019-08-22 10:09:24 +02:00
mmutrace.h KVM: x86/mmu: Explicitly track only a single invalid mmu generation 2019-09-24 14:36:00 +02:00
mtrr.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 499 2019-06-19 17:09:53 +02:00
page_track.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 499 2019-06-19 17:09:53 +02:00
paging_tmpl.h KVM/arm updates for 5.3 2019-07-11 15:14:16 +02:00
pmu_amd.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 499 2019-06-19 17:09:53 +02:00
pmu.c KVM: x86: Add fixed counters to PMU filter 2019-07-20 09:00:48 +02:00
pmu.h KVM: x86: PMU Event Filter 2019-07-11 15:08:28 +02:00
svm.c KVM: vmx, svm: always run with EFER.NXE=1 when shadow paging is active 2019-10-31 12:13:44 +01:00
trace.h KVM: nVMX: trace nested VM-Enter failures detected by H/W 2019-09-11 17:34:17 +02:00
tss.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
x86.c KVM: nVMX: Don't leak L1 MMIO regions to L2 2019-10-22 19:04:40 +02:00
x86.h KVM: x86: Move triple fault request into RM int injection 2019-09-24 14:31:20 +02:00