Rebase KVM common and x86 to 6.9

Merge Request Required Information

Summary of Changes

This pull request rebases KVM to 6.9

Tested: Smoke tested with kvm unit tests and selftests on AMD machine.

---

These are commits that I didn't include in the rebase, and rough justification:

kvm: explicitly set FOLL_HONOR_NUMA_FAULT in hva_to_pfn_slow() [GIT]
    2023-08-21 David Hildenbrand      kvm: explicitly set FOLL_HONOR_NUMA_FAULT in hva_to_pfn_slow()
	-> Misses the required API

kvm: mmu: dynamically allocate the x86-mmu shrinker [GIT]
    2023-10-04 Qi Zheng               kvm: mmu: dynamically allocate the x86-mmu shrinker
	-> Misses the required API

selftests/kvm: Replace attribute with macro [GIT]
    2023-10-13 Maciej Wieczor-Retman  selftests/kvm: Replace attribute with macro
    needs __printf macros in selftests and backporting commit that added them caused issues


[PATCH v3 0/5] KVM: selftests: Add ID reg test, update headers
[PATCH v8 00/13] KVM: arm64: PMU: Allow userspace to limit the number  of PMCs on vCPU
[PATCH 0/2] perf build: Fixes for arm64 sysreg-defs build rules
[PATCH v6 00/12] KVM: arm64: Support FEAT_LPA2 at hyp s1 and vm s2
    2023-10-18 Jing Zhang             KVM: arm64: selftests: Test for setting ID register from usersapce
    2023-10-24 Reiji Watanabe         KVM: selftests: aarch64: Introduce vpmu_counter_access test
    2023-11-22 Oliver Upton           perf build: Ensure sysreg-defs Makefile respects output dir
    2023-11-27 Ryan Roberts           KVM: selftests: arm64: Determine max ipa size per-page size
    2023-11-27 Ryan Roberts           KVM: selftests: arm64: Support P52V48 4K and 16K guest_modes
	-> patches that are better to be backported via arm rebase

[PATCH v2 0/4] eventfd: simplify signal helpers
    2023-11-28 Christian Brauner      eventfd: simplify eventfd_signal()
	-> Refactoring, and causes too many conflicts

[PATCH] arch/x86: Fix typos
    2024-01-03 Bjorn Helgaas          arch/x86: Fix typos
	-> x86 refactoring

[PATCH v2 0/4] KVM: selftests: Annotate guest printfs as such
    2023-12-01 Sean Christopherson    KVM: selftests: Annotate guest ucall, printf, and assert helpers with __printf()

    needs __printf macros in selftests and backporting commit that added them caused issues

[PATCH v6 00/13] x86/bugs: Add a separate config for each mitigation
    2024-01-10 Breno Leitao           x86/bugs: Rename CONFIG_RETPOLINE            => CONFIG_MITIGATION_RETPOLINE
	-> x86 refactoring

[PATCH v13 00/35] x86: enable FRED for x86-64
    2024-01-25 Xin Li                 x86/trapnr: Add event type macros to <asm/trapnr.h>
    2024-01-31 Xin Li                 KVM: VMX: Call fred_entry_from_kvm() for IRQ/NMI handling
	-> should be backported with FRED

[PATCH v2 00/25] Add AMD Secure Nested Paging (SEV-SNP)  Initialization Support
    2024-01-29 Brijesh Singh          crypto: ccp: Add support to initialize the AMD-SP for SEV-SNP
    2024-01-29 Brijesh Singh          KVM: SEV: Make AVIC backing, VMSA and VMCB memory allocation SNP safe
	-> Small part of SEV-SNP, should go together with it IMHO

[PATCH v6 0/2] shrink lib/string.i via IWYU
    2024-02-01 Tanzir Hasan           kernel.h: removed REPEAT_BYTE from kernel.h
	-> Tree wide refactoring

Re: [RFC PATCH v2] x86/sev: enforce RIP-relative accesses in early  SEV/SME code
    2024-02-06 Ard Biesheuvel         x86/sev: Fix position dependent variable references in startup code
	-> x86 guest code, IMHO should no be part of KVM rebase

[PATCH v3 0/8] treewide: Use clocksource ID for  get_device_system_crosststamp()
    2024-02-07 Peter Hilber           kvmclock: Unexport kvmclock clocksource
	-> Tree wide refactoring

work around gcc bugs with 'asm goto' with outputs [GIT]
    2024-02-09 Linus Torvalds         work around gcc bugs with 'asm goto' with outputs
	-> Lots of conflicts, code that probably only Linus understands :). Might be needed, not 100% sure

[PATCH v8 0/6] Delay VERW
    2024-02-19 Pawan Gupta            x86/bugs: Use ALTERNATIVE() instead of mds_user_clear static key
    2024-02-19 Sean Christopherson    KVM/VMX: Use BT+JNC, i.e. EFLAGS.CF to select VMRESUME vs. VMLAUNCH
    2024-02-19 Pawan Gupta            KVM/VMX: Move VERW closer to VMentry for MDS mitigation
	-> Should be backported by x86 core together with the rest of the patch series IMHO

treewide: replace or remove redundant def_bool in Kconfig files [GIT]
    2024-02-20 Masahiro Yamada        treewide: replace or remove redundant def_bool in Kconfig files
	-> Tree wide refactoring

kbuild: change tool coverage variables to take the path relative to $(obj) [GIT]
    2024-02-23 Masahiro Yamada        kbuild: change tool coverage variables to take the path relative to $(obj)
	-> Tree wide refactoring

[PATCH] treewide: remove meaningless assignments in Makefiles
    2024-02-23 Masahiro Yamada        treewide: remove meaningless assignments in Makefiles
	-> Tree wide refactoring

[patch 0/9] x86: Cure tons of sparse warnings (mostly __percpu)
    2024-03-04 Thomas Gleixner        x86/cpu: Provide a declaration for itlb_multihit_kvm_mitigation
	-> Another x86 refactoring
	
[PATCH v7 0/9] x86: Confine early 1:1 mapped startup code
    2024-03-04 Ard Biesheuvel         x86/sme: Move early SME kernel encryption handling into .head.text
	-> x86 common code

mm/treewide: replace pmd_large() with pmd_leaf() [GIT]
mm/treewide: replace pud_large() with pud_leaf() [GIT]
mm/treewide: drop pXd_large() [GIT]
    2024-03-06 Peter Xu               mm/treewide: replace pmd_large() with pmd_leaf()
    2024-03-06 Peter Xu               mm/treewide: replace pud_large() with pud_leaf()
    2024-03-06 Peter Xu               mm/treewide: drop pXd_large()
	-> Tree wide refactoring

KVM/x86: Export RFDS_NO and RFDS_CLEAR to guests [GIT]
    2024-03-11 Pawan Gupta            KVM/x86: Export RFDS_NO and RFDS_CLEAR to guests
	-> should be applied as part of the mitigation code

[PATCH v2] mshyperv: Introduce hv_get_hypervisor_version function
[PATCH] hyperv-tlfs: Rename some HV_REGISTER_* defines for  consistency
[PATCH v3] mshyperv: Introduce hv_numa_node_to_pxm_info()
    2024-03-12 Nuno Das Neves         mshyperv: Introduce hv_get_hypervisor_version function
    2024-03-18 Nuno Das Neves         hyperv-tlfs: Rename some HV_REGISTER_* defines for consistency
    2024-03-22 Nuno Das Neves         mshyperv: Introduce hv_numa_node_to_pxm_info()
	-> should be part of next hyperv rebase

[PATCH 0/5] x86/sev: Fix SNP host late disable
    2024-04-04 Borislav Petkov (AMD)  x86/kvm/Kconfig: Have KVM_AMD_SEV select ARCH_HAS_CC_PLATFORM
    2024-04-04 Borislav Petkov (AMD)  x86/CPU/AMD: Track SNP host status with cc_platform_*()
	-> I think that this should also be backported with rest of x86 code

x86/cpufeatures: Add CPUID_LNX_5 to track recently added Linux-defined word [GIT]
    2024-04-04 Sean Christopherson    x86/cpufeatures: Add CPUID_LNX_5 to track recently added Linux-defined word
	-> x86 fix for commit that is not yet backported

x86/bhi: Add support for clearing branch history at syscall entry [GIT]
x86/bhi: Define SPEC_CTRL_BHI_DIS_S [GIT]
x86/bhi: Mitigate KVM by default [GIT]
KVM: x86: Add BHI_NO [GIT]
    2024-04-08 Pawan Gupta            x86/bhi: Add support for clearing branch history at syscall entry
    2024-04-08 Daniel Sneddon         x86/bhi: Define SPEC_CTRL_BHI_DIS_S
    2024-04-08 Pawan Gupta            x86/bhi: Mitigate KVM by default
    2024-04-08 Daniel Sneddon         KVM: x86: Add BHI_NO
	-> x86 mitigation code, should be applied as part of the mitigation

Approved Development Ticket

All submissions to CentOS Stream must reference an approved ticket in Red Hat Jira. Please follow the CentOS Stream contribution documentation for how to file this ticket and have it approved.

JIRA: https://issues.redhat.com/browse/RHEL-32430
Depends: https://gitlab.com/redhat/centos-stream/src/kernel/centos-stream-9/-/merge_requests/4090
Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>