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Date: Tue, 25 Jan 2022 10:14:52 +0100 From: Ard Biesheuvel <ardb@...nel.org> To: linux@...linux.org.uk, linux-arm-kernel@...ts.infradead.org Cc: linux-hardening@...r.kernel.org, Ard Biesheuvel <ardb@...nel.org>, Arnd Bergmann <arnd@...db.de>, Kees Cook <keescook@...omium.org>, Keith Packard <keithpac@...zon.com>, Linus Walleij <linus.walleij@...aro.org>, Nick Desaulniers <ndesaulniers@...gle.com>, Marc Zyngier <maz@...nel.org> Subject: [PATCH v6 7/8] ARM: drop pointless SMP check on secondary startup path Only SMP systems use the secondary startup path by definition, so there is no need for SMP conditionals there. Signed-off-by: Ard Biesheuvel <ardb@...nel.org> --- arch/arm/kernel/smp.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index 951559e5bea3..e34efa96cea1 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -405,11 +405,6 @@ static void smp_store_cpu_info(unsigned int cpuid) static void set_current(struct task_struct *cur) { - if (!IS_ENABLED(CONFIG_CURRENT_POINTER_IN_TPIDRURO) && !is_smp()) { - __current = cur; - return; - } - /* Set TPIDRURO */ asm("mcr p15, 0, %0, c13, c0, 3" :: "r"(cur) : "memory"); } -- 2.30.2
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