diff options
Diffstat (limited to 'arch/arm64/kernel')
| -rw-r--r-- | arch/arm64/kernel/fpsimd.c | 2 | ||||
| -rw-r--r-- | arch/arm64/kernel/head.S | 1 | ||||
| -rw-r--r-- | arch/arm64/kernel/smp.c | 2 | ||||
| -rw-r--r-- | arch/arm64/kernel/traps.c | 2 |
4 files changed, 5 insertions, 2 deletions
diff --git a/arch/arm64/kernel/fpsimd.c b/arch/arm64/kernel/fpsimd.c index 394c61d..1d5890f 100644 --- a/arch/arm64/kernel/fpsimd.c +++ b/arch/arm64/kernel/fpsimd.c @@ -157,9 +157,11 @@ void fpsimd_thread_switch(struct task_struct *next) void fpsimd_flush_thread(void) { + preempt_disable(); memset(¤t->thread.fpsimd_state, 0, sizeof(struct fpsimd_state)); fpsimd_flush_task_state(current); set_thread_flag(TIF_FOREIGN_FPSTATE); + preempt_enable(); } /* diff --git a/arch/arm64/kernel/head.S b/arch/arm64/kernel/head.S index 7ee6d74..c186586 100644 --- a/arch/arm64/kernel/head.S +++ b/arch/arm64/kernel/head.S @@ -487,6 +487,7 @@ ENTRY(kimage_vaddr) * booted in EL1 or EL2 respectively. */ ENTRY(el2_setup) + msr SPsel, #1 // We want to use SP_EL{1,2} mrs x0, CurrentEL cmp x0, #CurrentEL_EL2 b.ne 1f diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c index 11f2890..d1e6b51 100644 --- a/arch/arm64/kernel/smp.c +++ b/arch/arm64/kernel/smp.c @@ -1010,7 +1010,7 @@ static bool have_cpu_die(void) #ifdef CONFIG_HOTPLUG_CPU int any_cpu = raw_smp_processor_id(); - if (cpu_ops[any_cpu]->cpu_die) + if (cpu_ops[any_cpu] && cpu_ops[any_cpu]->cpu_die) return true; #endif return false; diff --git a/arch/arm64/kernel/traps.c b/arch/arm64/kernel/traps.c index 7501b40..f6c003e 100644 --- a/arch/arm64/kernel/traps.c +++ b/arch/arm64/kernel/traps.c @@ -113,7 +113,7 @@ static void __dump_instr(const char *lvl, struct pt_regs *regs) for (i = -4; i < 1; i++) { unsigned int val, bad; - bad = __get_user(val, &((u32 *)addr)[i]); + bad = get_user(val, &((u32 *)addr)[i]); if (!bad) p += sprintf(p, i == 0 ? "(%08x) " : "%08x ", val); |