This is the start of the stable review cycle for the 4.14.271 release. There are 31 patches in this series, all will be posted as a response to this one. If anyone has any issues with these being applied, please let me know.

Responses should be made by Sat, 12 Mar 2022 14:07:58 +0000. Anything received after that time might be too late.

The whole patch series can be found in one patch at: https://www.kernel.org/pub/linux/kernel/v4.x/stable-review/patch-4.14.271-rc... or in the git tree and branch at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-4.14.y and the diffstat can be found below.

thanks,

greg k-h

------------- Pseudo-Shortlog of commits:

Greg Kroah-Hartman gregkh@linuxfoundation.org Linux 4.14.271-rc2

Juergen Gross jgross@suse.com xen/netfront: react properly to failing gnttab_end_foreign_access_ref()

Juergen Gross jgross@suse.com xen/gnttab: fix gnttab_end_foreign_access() without page specified

Juergen Gross jgross@suse.com xen/9p: use alloc/free_pages_exact()

Juergen Gross jgross@suse.com xen: remove gnttab_query_foreign_access()

Juergen Gross jgross@suse.com xen/gntalloc: don't use gnttab_query_foreign_access()

Juergen Gross jgross@suse.com xen/scsifront: don't use gnttab_query_foreign_access() for mapped status

Juergen Gross jgross@suse.com xen/netfront: don't use gnttab_query_foreign_access() for mapped status

Juergen Gross jgross@suse.com xen/blkfront: don't use gnttab_query_foreign_access() for mapped status

Juergen Gross jgross@suse.com xen/grant-table: add gnttab_try_end_foreign_access()

Juergen Gross jgross@suse.com xen/xenbus: don't let xenbus_grant_ring() remove grants in error case

Russell King (Oracle) rmk+kernel@armlinux.org.uk ARM: fix build warning in proc-v7-bugs.c

Nathan Chancellor nathan@kernel.org ARM: Do not use NOCROSSREFS directive with ld.lld

Russell King (Oracle) rmk+kernel@armlinux.org.uk ARM: fix co-processor register typo

Emmanuel Gil Peyrot linkmauve@linkmauve.fr ARM: fix build error when BPF_SYSCALL is disabled

Russell King (Oracle) rmk+kernel@armlinux.org.uk ARM: include unprivileged BPF status in Spectre V2 reporting

Russell King (Oracle) rmk+kernel@armlinux.org.uk ARM: Spectre-BHB workaround

Russell King (Oracle) rmk+kernel@armlinux.org.uk ARM: use LOADADDR() to get load address of sections

Russell King (Oracle) rmk+kernel@armlinux.org.uk ARM: early traps initialisation

Russell King (Oracle) rmk+kernel@armlinux.org.uk ARM: report Spectre v2 status through sysfs

Mark Rutland mark.rutland@arm.com arm/arm64: smccc/psci: add arm_smccc_1_1_get_conduit()

Steven Price steven.price@arm.com arm/arm64: Provide a wrapper for SMCCC 1.1 calls

Josh Poimboeuf jpoimboe@redhat.com x86/speculation: Warn about eIBRS + LFENCE + Unprivileged eBPF + SMT

Josh Poimboeuf jpoimboe@redhat.com x86/speculation: Warn about Spectre v2 LFENCE mitigation

Kim Phillips kim.phillips@amd.com x86/speculation: Update link to AMD speculation whitepaper

Kim Phillips kim.phillips@amd.com x86/speculation: Use generic retpoline by default on AMD

Josh Poimboeuf jpoimboe@redhat.com x86/speculation: Include unprivileged eBPF status in Spectre v2 mitigation reporting

Peter Zijlstra peterz@infradead.org Documentation/hw-vuln: Update spectre doc

Peter Zijlstra peterz@infradead.org x86/speculation: Add eIBRS + Retpoline options

Peter Zijlstra (Intel) peterz@infradead.org x86/speculation: Rename RETPOLINE_AMD to RETPOLINE_LFENCE

Peter Zijlstra peterz@infradead.org x86,bugs: Unconditionally allow spectre_v2=retpoline,amd

Borislav Petkov bp@suse.de x86/speculation: Merge one test in spectre_v2_user_select_mitigation()

-------------

Diffstat:

Documentation/admin-guide/hw-vuln/spectre.rst | 48 ++++-- Documentation/admin-guide/kernel-parameters.txt | 8 +- Makefile | 4 +- arch/arm/include/asm/assembler.h | 10 ++ arch/arm/include/asm/spectre.h | 32 ++++ arch/arm/kernel/Makefile | 2 + arch/arm/kernel/entry-armv.S | 79 ++++++++- arch/arm/kernel/entry-common.S | 24 +++ arch/arm/kernel/spectre.c | 71 ++++++++ arch/arm/kernel/traps.c | 65 ++++++- arch/arm/kernel/vmlinux-xip.lds.S | 45 +++-- arch/arm/kernel/vmlinux.lds.S | 45 +++-- arch/arm/mm/Kconfig | 11 ++ arch/arm/mm/proc-v7-bugs.c | 199 +++++++++++++++++++--- arch/x86/include/asm/cpufeatures.h | 2 +- arch/x86/include/asm/nospec-branch.h | 16 +- arch/x86/kernel/cpu/bugs.c | 214 +++++++++++++++++------- drivers/block/xen-blkfront.c | 67 ++++---- drivers/firmware/psci.c | 15 ++ drivers/net/xen-netfront.c | 54 +++--- drivers/scsi/xen-scsifront.c | 3 +- drivers/xen/gntalloc.c | 25 +-- drivers/xen/grant-table.c | 59 ++++--- drivers/xen/xenbus/xenbus_client.c | 24 ++- include/linux/arm-smccc.h | 74 ++++++++ include/linux/bpf.h | 11 ++ include/xen/grant_table.h | 19 ++- kernel/sysctl.c | 8 + net/9p/trans_xen.c | 14 +- tools/arch/x86/include/asm/cpufeatures.h | 2 +- 30 files changed, 986 insertions(+), 264 deletions(-)