Josh Poimboeuf 4109a8ce10 x86/speculation: Use cached host SPEC_CTRL value for guest entry/exit ...

commit bbb69e8bee1bd882784947095ffb2bfe0f7c9470 upstream.

There's no need to recalculate the host value for every entry/exit.
Just use the cached value in spec_ctrl_current().

Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2022-10-07 09:16:55 +02:00

..

alpha

tty: the rest, stop using tty_schedule_flip()

2022-07-29 17:14:19 +02:00

arc

ARC: entry: fix syscall_trace_exit argument

2022-04-27 13:50:49 +02:00

arm

ARM: dts: am33xx: Fix MMCHS0 dma properties

2022-10-05 10:37:43 +02:00

arm64

arm64: dts: rockchip: Remove 'enable-active-low' from rk3399-puma

2022-09-28 11:04:05 +02:00

c6x

…

csky

perf: Protect perf_guest_cbs with RCU

2022-01-20 09:19:18 +01:00

h8300

h8300: fix PREEMPTION build, TI_PRE_COUNT undefined

2021-02-17 10:35:18 +01:00

hexagon

hexagon: export raw I/O routines for modules

2021-11-26 10:47:21 +01:00

ia64

ia64, processor: fix -Wincompatible-pointer-types in ia64_get_irr()

2022-08-25 11:17:25 +02:00

m68k

m68k: use fallback for random_get_entropy() instead of zero

2022-06-22 14:11:15 +02:00

microblaze

uaccess: fix nios2 and microblaze get_user_8()

2022-04-15 14:18:08 +02:00

mips

MIPS: Loongson32: Fix PHY-mode being left unspecified

2022-09-28 11:04:06 +02:00

nds32

nds32: fix access_ok() checks in get/put_user

2022-03-28 08:46:48 +02:00

nios2

nios2: add force_successful_syscall_return()

2022-08-25 11:18:28 +02:00

openrisc

openrisc: start CPU timer early in boot

2022-06-14 18:11:28 +02:00

parisc

parisc: Add runtime check to prevent PA2.0 kernels on PA1.x machines

2022-09-15 12:04:54 +02:00

powerpc

powerpc: align syscall table for ppc32

2022-09-15 12:04:51 +02:00

riscv

RISC-V: Add fast call path of crash_kexec()

2022-08-25 11:18:37 +02:00

s390

s390: fix nospec table alignments

2022-09-15 12:04:52 +02:00

sh

sh: define __BIG_ENDIAN for math-emu

2021-11-26 10:47:17 +01:00

sparc

sparc: use fallback for random_get_entropy() instead of zero

2022-06-22 14:11:15 +02:00

um

um: add "noreboot" command line option for PANIC_TIMEOUT=-1 setups

2022-08-25 11:18:34 +02:00

unicore32

…

x86

x86/speculation: Use cached host SPEC_CTRL value for guest entry/exit

2022-10-07 09:16:55 +02:00

xtensa

xtensa: Fix refcount leak bug in time.c

2022-06-29 08:58:48 +02:00

.gitignore

…

Kconfig

locking/refcount: Consolidate implementations of refcount_t

2022-07-29 17:14:17 +02:00