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Ard Biesheuvel a89888648e ARM: 9197/1: spectre-bhb: fix loop8 sequence for Thumb2 
[ Upstream commit 3cfb3019979666bdf33a1010147363cf05e0f17b ]

In Thumb2, 'b . + 4' produces a branch instruction that uses a narrow
encoding, and so it does not jump to the following instruction as
expected. So use W(b) instead.

Fixes: 6c7cb60bff7a ("ARM: fix Thumb2 regression with Spectre BHB")
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-05-25 09:17:59 +02:00
..
.gitignore
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
arch_timer.c
ARM: 8913/1: arch_timer: include <asm/arch_timer.h>
2019-10-27 21:14:43 +00:00
armksyms.c
crypto: lib/sha1 - remove unnecessary includes of linux/cryptohash.h
2020-05-08 15:32:17 +10:00
asm-offsets.c
ARM: 9075/1: kernel: Fix interrupted SMC calls
2021-05-22 11:40:53 +02:00
atags_compat.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
atags_parse.c
ARM: 9011/1: centralize phys-to-virt conversion of DT/ATAGS address
2021-05-19 10:13:18 +02:00
atags_proc.c
ARM: 8973/1: Add missing newline terminator to kernel message
2020-05-07 20:53:10 +01:00
atags.h
ARM: 9011/1: centralize phys-to-virt conversion of DT/ATAGS address
2021-05-19 10:13:18 +02:00
bios32.c
ARM/PCI: Remove unused fields from struct hw_pci
2020-09-18 22:39:09 +01:00
bugs.c
treewide: fix typos of SPDX-License-Identifier
2019-06-01 18:29:58 +02:00
cpuidle.c
treewide: Convert macro and uses of __section(foo) to __section("foo")
2020-10-25 14:51:49 -07:00
crash_dump.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
debug.S
ARM: 9005/1: debug: Select flow control for all debug UARTs
2020-09-15 14:35:28 +01:00
devtree.c
ARM: 9011/1: centralize phys-to-virt conversion of DT/ATAGS address
2021-05-19 10:13:18 +02:00
dma-isa.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
dma.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
early_printk.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
efi.c
mm/pgtable: drop pgtable_t variable from pte_fn_t functions
2019-07-12 11:05:46 -07:00
elf.c
arm32/64/elf: Split READ_IMPLIES_EXEC from executable PT_GNU_STACK
2020-04-20 19:42:19 +02:00
entry-armv.S
ARM: 9197/1: spectre-bhb: fix loop8 sequence for Thumb2
2022-05-25 09:17:59 +02:00
entry-common.S
ARM: Spectre-BHB workaround
2022-03-11 12:11:50 +01:00
entry-ftrace.S
ARM: ftrace: avoid redundant loads or clobbering IP
2022-04-08 14:40:34 +02:00
entry-header.S
ARM: uaccess: consolidate uaccess asm to asm/uaccess-asm.h
2020-05-03 17:30:24 +01:00
entry-v7m.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
fiq.c
arm: fix the flush_icache_range arguments in set_fiq_handler
2020-06-08 11:05:57 -07:00
fiqasm.S
…
ftrace.c
ARM: 9079/1: ftrace: Add MODULE_PLTS support
2021-09-26 14:08:56 +02:00
head-common.S
ARM: 8914/1: NOMMU: Fix exc_ret for XIP
2019-10-10 22:23:20 +01:00
head-inflate-data.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
head-nommu.S
ARM: 8914/1: NOMMU: Fix exc_ret for XIP
2019-10-10 22:23:20 +01:00
head.S
ARM: 9027/1: head.S: explicitly map DT even if it lives in the first physical section
2021-05-19 10:13:18 +02:00
hibernate.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 194
2019-05-30 11:29:22 -07:00
hw_breakpoint.c
ARM: 9064/1: hw_breakpoint: Do not directly check the event's overflow_handler hook
2021-05-19 10:13:01 +02:00
hyp-stub.S
arm: Remove the ability to set HYP vectors outside of the decompressor
2020-03-24 10:56:05 +00:00
insn.c
ARM: 9078/1: Add warn suppress parameter to arm_gen_branch_link()
2021-09-26 14:08:56 +02:00
io.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
irq.c
ARM: Remove custom IRQ stat accounting
2020-09-17 16:37:28 +01:00
isa.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
iwmmxt.h
ARM: 9029/1: Make iwmmxt.S support Clang's integrated assembler
2021-03-17 17:06:26 +01:00
iwmmxt.S
ARM: 9029/1: Make iwmmxt.S support Clang's integrated assembler
2021-03-17 17:06:26 +01:00
jump_label.c
jump_label: move 'asm goto' support test to Kconfig
2019-01-06 09:46:51 +09:00
kgdb.c
ARM: Fix kgdb breakpoint for Thumb2
2022-03-08 19:09:36 +01:00
machine_kexec.c
ARM: kexec: fix oops after TLB are invalidated
2021-02-17 11:02:24 +01:00
Makefile
ARM: report Spectre v2 status through sysfs
2022-03-11 12:11:50 +01:00
module-plts.c
ARM: 9098/1: ftrace: MODULE_PLT: Fix build problem without DYNAMIC_FTRACE
2021-09-26 14:08:56 +02:00
module.c
mm: don't include asm/pgtable.h if linux/mm.h is already included
2020-06-09 09:39:13 -07:00
opcodes.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
paravirt.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174
2019-05-30 11:26:41 -07:00
patch.c
arm/patch: Fix !MMU compile
2020-02-11 12:56:27 +01:00
perf_callchain.c
perf: Protect perf_guest_cbs with RCU
2022-01-20 09:17:50 +01:00
perf_event_v6.c
arm_pmu: Tidy up clear_event_idx call backs
2018-07-10 18:19:02 +01:00
perf_event_v7.c
arm_pmu: Fix write counter incorrect in ARMv7 big-endian mode
2021-07-14 16:55:39 +02:00
perf_event_xscale.c
arm_pmu: Tidy up clear_event_idx call backs
2018-07-10 18:19:02 +01:00
perf_regs.c
perf/arch: Remove perf_sample_data::regs_user_copy
2020-11-09 18:12:34 +01:00
pj4-cp0.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
process.c
sched/idle: Fix arch_cpu_idle() vs tracing
2020-11-24 16:47:35 +01:00
psci_smp.c
ARM: 8919/1: make unexported functions static
2019-10-31 16:58:52 +00:00
ptrace.c
arm: switch to ->regset_get()
2020-07-27 14:31:09 -04:00
reboot.c
ARM: Use reboot_cpu instead of hardcoding it to 0
2020-03-25 12:59:33 +01:00
reboot.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
relocate_kernel.S
ARM: kexec: fix oops after TLB are invalidated
2021-02-17 11:02:24 +01:00
return_address.c
ARM: 8918/2: only build return_address() if needed
2019-11-15 22:21:07 +00:00
setup.c
ARM: 9081/1: fix gcc-10 thumb2-kernel regression
2021-06-30 08:47:16 -04:00
signal.c
ARM: ensure the signal page contains defined contents
2021-02-17 11:02:24 +01:00
signal.h
ARM: 8920/1: share get_signal_page from signal.c to process.c
2019-10-31 16:58:53 +00:00
sigreturn_codes.S
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174
2019-05-30 11:26:41 -07:00
sleep.S
ARM: 8847/1: pm: fix HYP/SVC mode mismatch when MCPM is used
2019-02-26 11:32:54 +00:00
smccc-call.S
ARM: 9075/1: kernel: Fix interrupted SMC calls
2021-05-22 11:40:53 +02:00
smp_scu.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
smp_tlb.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
smp_twd.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
smp.c
sched/core: Initialize the idle task with preemption disabled
2021-07-14 16:55:50 +02:00
spectre.c
ARM: fix build error when BPF_SYSCALL is disabled
2022-03-11 12:11:53 +01:00
stacktrace.c
ARM: 9191/1: arm/stacktrace, kasan: Silence KASAN warnings in unwind_frame()
2022-05-25 09:17:54 +02:00
suspend.c
ARM: 9066/1: ftrace: pause/unpause function graph tracer in cpu_suspend()
2021-05-22 11:40:52 +02:00
swp_emulate.c
uaccess: fix type mismatch warnings from access_ok()
2022-04-08 14:40:35 +02:00
sys_arm.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
sys_oabi-compat.c
ARM: 9065/1: OABI compat: fix build when EPOLL is not enabled
2021-03-04 11:38:10 +01:00
tcm.c
ARM: 8925/1: tcm: include <asm/tcm.h> for missing declarations
2019-10-31 16:58:56 +00:00
thumbee.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 333
2019-06-05 17:37:06 +02:00
time.c
ARM/time: Replace <linux/clk-provider.h> by <linux/of_clk.h>
2020-05-15 22:54:57 +02:00
topology.c
ARM, sched/topology: Revert back to default scheduler topology
2020-08-19 10:49:47 +02:00
traps.c
uaccess: fix type mismatch warnings from access_ok()
2022-04-08 14:40:35 +02:00
unwind.c
arm: add loglvl to unwind_backtrace()
2020-06-09 09:39:10 -07:00
v7m.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
vdso.c
ARM: 8987/1: VDSO: Fix incorrect clock_gettime64
2020-07-21 16:32:55 +01:00
vmlinux-xip.lds.S
ARM: 9141/1: only warn about XIP address when not compile testing
2021-11-02 19:48:18 +01:00
vmlinux.lds.S
arm/build: Always handle .ARM.exidx and .ARM.extab sections
2020-10-27 11:32:21 -07:00
xscale-cp0.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00