Merge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm

Pull ARM fixes from Russell King:
 "Two further fixes for Spectre-BHB from Ard for Cortex A15 and to use
  the wide branch instruction for Thumb2"

* tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm:
  ARM: 9197/1: spectre-bhb: fix loop8 sequence for Thumb2
  ARM: 9196/1: spectre-bhb: enable for Cortex-A15
This commit is contained in:
Linus Torvalds
2022-05-19 06:08:29 -10:00
2 changed files with 2 additions and 1 deletions

View File

@ -1145,7 +1145,7 @@ vector_bhb_loop8_\name:
@ bhb workaround
mov r0, #8
3: b . + 4
3: W(b) . + 4
subs r0, r0, #1
bne 3b
dsb

View File

@ -288,6 +288,7 @@ void cpu_v7_ca15_ibe(void)
{
if (check_spectre_auxcr(this_cpu_ptr(&spectre_warned), BIT(0)))
cpu_v7_spectre_v2_init();
cpu_v7_spectre_bhb_init();
}
void cpu_v7_bugs_init(void)