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from 14f9643dc90a Merge tag 'wq-for-6.5-rc5-fixes' of git://git.kernel.org/p [...] new 0e52740ffd10 x86/bugs: Increase the x86 bugs vector size to two u32s new fb3bd914b3ec x86/srso: Add a Speculative RAS Overflow mitigation new 79113e4060ab x86/srso: Add IBPB_BRTYPE support new 1b5277c0ea0b x86/srso: Add SRSO_NO support new 233d6f68b98d x86/srso: Add IBPB new d893832d0e1e x86/srso: Add IBPB on VMEXIT new 238ec850b95a x86/srso: Fix return thunks in generated code new 3bbbe97ad83d x86/srso: Add a forgotten NOENDBR annotation new 5a15d8348881 x86/srso: Tie SBPB bit setting to microcode patch detection new 138bcddb86d8 Merge tag 'x86_bugs_srso' of git://git.kernel.org/pub/scm/ [...] new 8974eb588283 x86/speculation: Add Gather Data Sampling mitigation new 553a5c03e90a x86/speculation: Add force option to GDS mitigation new 53cf5797f114 x86/speculation: Add Kconfig option for GDS new 81ac7e5d7417 KVM: Add GDS_NO support to KVM new 1b0fc0345f28 Documentation/x86: Fix backwards on/off logic about YMM support new 64094e7e3118 Merge tag 'gds-for-linus-2023-08-01' of git://git.kernel.o [...] new 534fc31d09b7 xen/netback: Fix buffer overrun triggered by unusual packet new da703fe9416d Merge tag 'xsa432-6.5-tag' of git://git.kernel.org/pub/scm [...] new 2cbd80642b76 gfs2: Fix freeze consistency check in gfs2_trans_add_meta new 0be8432166a6 gfs2: Don't use filemap_splice_read new 02aee814d37c Merge tag 'gfs2-v6.4-fixes' of git://git.kernel.org/pub/sc [...]
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Summary of changes: Documentation/ABI/testing/sysfs-devices-system-cpu | 13 +- .../admin-guide/hw-vuln/gather_data_sampling.rst | 109 +++++++ Documentation/admin-guide/hw-vuln/index.rst | 2 + Documentation/admin-guide/hw-vuln/srso.rst | 133 ++++++++ Documentation/admin-guide/kernel-parameters.txt | 58 +++- arch/x86/Kconfig | 26 ++ arch/x86/include/asm/cpufeatures.h | 13 +- arch/x86/include/asm/msr-index.h | 12 + arch/x86/include/asm/nospec-branch.h | 23 +- arch/x86/include/asm/processor.h | 2 + arch/x86/kernel/cpu/amd.c | 19 ++ arch/x86/kernel/cpu/bugs.c | 337 +++++++++++++++++++++ arch/x86/kernel/cpu/common.c | 44 ++- arch/x86/kernel/cpu/cpu.h | 1 + arch/x86/kernel/vmlinux.lds.S | 29 +- arch/x86/kvm/cpuid.c | 3 + arch/x86/kvm/svm/svm.c | 4 +- arch/x86/kvm/svm/vmenter.S | 3 + arch/x86/kvm/x86.c | 7 +- arch/x86/lib/retpoline.S | 83 ++++- drivers/base/cpu.c | 16 + drivers/net/xen-netback/netback.c | 15 +- fs/gfs2/file.c | 4 +- fs/gfs2/trans.c | 14 +- include/linux/cpu.h | 2 + tools/arch/x86/include/asm/cpufeatures.h | 2 +- tools/objtool/arch/x86/decode.c | 5 +- 27 files changed, 923 insertions(+), 56 deletions(-) create mode 100644 Documentation/admin-guide/hw-vuln/gather_data_sampling.rst create mode 100644 Documentation/admin-guide/hw-vuln/srso.rst