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-rw-r--r--arch/arm64/kernel/traps.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/arm64/kernel/traps.c b/arch/arm64/kernel/traps.c
index 7c3fc0634aa2..350179becdf7 100644
--- a/arch/arm64/kernel/traps.c
+++ b/arch/arm64/kernel/traps.c
@@ -466,7 +466,7 @@ static void user_cache_maint_handler(unsigned int esr, struct pt_regs *regs)
int crm = (esr & ESR_ELx_SYS64_ISS_CRM_MASK) >> ESR_ELx_SYS64_ISS_CRM_SHIFT;
int ret = 0;
- address = (rt == 31) ? 0 : regs->regs[rt];
+ address = pt_regs_read_reg(regs, rt);
switch (crm) {
case ESR_ELx_SYS64_ISS_CRM_DC_CVAU: /* DC CVAU, gets promoted */
@@ -495,8 +495,10 @@ static void user_cache_maint_handler(unsigned int esr, struct pt_regs *regs)
static void ctr_read_handler(unsigned int esr, struct pt_regs *regs)
{
int rt = (esr & ESR_ELx_SYS64_ISS_RT_MASK) >> ESR_ELx_SYS64_ISS_RT_SHIFT;
+ unsigned long val = arm64_ftr_reg_user_value(&arm64_ftr_reg_ctrel0);
+
+ pt_regs_write_reg(regs, rt, val);
- regs->regs[rt] = arm64_ftr_reg_user_value(&arm64_ftr_reg_ctrel0);
regs->pc += 4;
}