diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c index 423663e23791e1349f877990b021f8371fe85c24..586eef26203d10631d7a3336972b43fe27101112 100644 --- a/arch/arm/kernel/signal.c +++ b/arch/arm/kernel/signal.c @@ -343,12 +343,17 @@ setup_return(struct pt_regs *regs, struct ksignal *ksig, */ thumb = handler & 1; -#if __LINUX_ARM_ARCH__ >= 7 +#if __LINUX_ARM_ARCH__ >= 6 /* - * Clear the If-Then Thumb-2 execution state - * ARM spec requires this to be all 000s in ARM mode - * Snapdragon S4/Krait misbehaves on a Thumb=>ARM - * signal transition without this. + * Clear the If-Then Thumb-2 execution state. ARM spec + * requires this to be all 000s in ARM mode. Snapdragon + * S4/Krait misbehaves on a Thumb=>ARM signal transition + * without this. + * + * We must do this whenever we are running on a Thumb-2 + * capable CPU, which includes ARMv6T2. However, we elect + * to do this whenever we're on an ARMv6 or later CPU for + * simplicity. */ cpsr &= ~PSR_IT_MASK; #endif