Merge 5.4.217 into android11-5.4-lts

Changes in 5.4.217
	Revert "x86/speculation: Add RSB VM Exit protections"
	Revert "x86/cpu: Add a steppings field to struct x86_cpu_id"
	x86/devicetable: Move x86 specific macro out of generic code
	x86/cpu: Add consistent CPU match macros
	x86/cpu: Add a steppings field to struct x86_cpu_id
	x86/kvm/vmx: Make noinstr clean
	x86/cpufeatures: Move RETPOLINE flags to word 11
	x86/bugs: Report AMD retbleed vulnerability
	x86/bugs: Add AMD retbleed= boot parameter
	x86/bugs: Keep a per-CPU IA32_SPEC_CTRL value
	x86/entry: Remove skip_r11rcx
	x86/entry: Add kernel IBRS implementation
	x86/bugs: Optimize SPEC_CTRL MSR writes
	x86/speculation: Add spectre_v2=ibrs option to support Kernel IBRS
	x86/bugs: Split spectre_v2_select_mitigation() and spectre_v2_user_select_mitigation()
	x86/bugs: Report Intel retbleed vulnerability
	intel_idle: Disable IBRS during long idle
	x86/speculation: Change FILL_RETURN_BUFFER to work with objtool
	x86/speculation: Fix RSB filling with CONFIG_RETPOLINE=n
	x86/speculation: Fix firmware entry SPEC_CTRL handling
	x86/speculation: Fix SPEC_CTRL write on SMT state change
	x86/speculation: Use cached host SPEC_CTRL value for guest entry/exit
	x86/speculation: Remove x86_spec_ctrl_mask
	KVM/VMX: Use TEST %REG,%REG instead of CMP $0,%REG in vmenter.S
	KVM/nVMX: Use __vmx_vcpu_run in nested_vmx_check_vmentry_hw
	KVM: VMX: Flatten __vmx_vcpu_run()
	KVM: VMX: Convert launched argument to flags
	KVM: VMX: Prevent guest RSB poisoning attacks with eIBRS
	KVM: VMX: Fix IBRS handling after vmexit
	x86/speculation: Fill RSB on vmexit for IBRS
	x86/common: Stamp out the stepping madness
	x86/cpu/amd: Enumerate BTC_NO
	x86/bugs: Add Cannon lake to RETBleed affected CPU list
	x86/speculation: Disable RRSBA behavior
	x86/speculation: Use DECLARE_PER_CPU for x86_spec_ctrl_current
	x86/bugs: Warn when "ibrs" mitigation is selected on Enhanced IBRS parts
	x86/speculation: Add RSB VM Exit protections
	xfs: fix misuse of the XFS_ATTR_INCOMPLETE flag
	xfs: introduce XFS_MAX_FILEOFF
	xfs: truncate should remove all blocks, not just to the end of the page cache
	xfs: fix s_maxbytes computation on 32-bit kernels
	xfs: fix IOCB_NOWAIT handling in xfs_file_dio_aio_read
	xfs: refactor remote attr value buffer invalidation
	xfs: fix memory corruption during remote attr value buffer invalidation
	xfs: move incore structures out of xfs_da_format.h
	xfs: streamline xfs_attr3_leaf_inactive
	xfs: fix uninitialized variable in xfs_attr3_leaf_inactive
	xfs: remove unused variable 'done'
	Revert "drm/amdgpu: use dirty framebuffer helper"
	Makefile.extrawarn: Move -Wcast-function-type-strict to W=1
	docs: update mediator information in CoC docs
	Linux 5.4.217

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I105690ca9b48507da0590cb62dd60db2a95698e6