ARM: 9196/1: spectre-bhb: enable for Cortex-A15
authorArd Biesheuvel <ardb@kernel.org>
Wed, 20 Apr 2022 08:44:51 +0000 (09:44 +0100)
committerRussell King (Oracle) <rmk+kernel@armlinux.org.uk>
Wed, 18 May 2022 10:38:04 +0000 (11:38 +0100)
The Spectre-BHB mitigations were inadvertently left disabled for
Cortex-A15, due to the fact that cpu_v7_bugs_init() is not called in
that case. So fix that.

Fixes: b9baf5c8c5c3 ("ARM: Spectre-BHB workaround")
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
arch/arm/mm/proc-v7-bugs.c

index 06dbfb9..fb9f3eb 100644 (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)