tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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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

Linus Torvalds 99b05644 18e471dd

+2 -1
+1 -1
arch/arm/kernel/entry-armv.S
··· 1145 1145 1146 1146 @ bhb workaround 1147 1147 mov r0, #8 1148 - 3: b . + 4 1148 + 3: W(b) . + 4 1149 1149 subs r0, r0, #1 1150 1150 bne 3b 1151 1151 dsb
+1
arch/arm/mm/proc-v7-bugs.c
··· 288 288 { 289 289 if (check_spectre_auxcr(this_cpu_ptr(&spectre_warned), BIT(0))) 290 290 cpu_v7_spectre_v2_init(); 291 + cpu_v7_spectre_bhb_init(); 291 292 } 292 293 293 294 void cpu_v7_bugs_init(void)