diff --git a/arch/arm64/include/asm/esr.h b/arch/arm64/include/asm/esr.h index 29f97eb3dad41529033b2125721567056731fe36..a305ce256090b2096db1950253bc2bcd90b84746 100644 --- a/arch/arm64/include/asm/esr.h +++ b/arch/arm64/include/asm/esr.h @@ -227,6 +227,9 @@ #define ESR_ELx_SYS64_ISS_SYS_CNTVCT (ESR_ELx_SYS64_ISS_SYS_VAL(3, 3, 2, 14, 0) | \ ESR_ELx_SYS64_ISS_DIR_READ) +#define ESR_ELx_SYS64_ISS_SYS_CNTVCTSS (ESR_ELx_SYS64_ISS_SYS_VAL(3, 3, 6, 14, 0) | \ + ESR_ELx_SYS64_ISS_DIR_READ) + #define ESR_ELx_SYS64_ISS_SYS_CNTFRQ (ESR_ELx_SYS64_ISS_SYS_VAL(3, 3, 0, 14, 0) | \ ESR_ELx_SYS64_ISS_DIR_READ) @@ -317,6 +320,9 @@ #define ESR_ELx_CP15_64_ISS_SYS_CNTVCT (ESR_ELx_CP15_64_ISS_SYS_VAL(1, 14) | \ ESR_ELx_CP15_64_ISS_DIR_READ) +#define ESR_ELx_CP15_64_ISS_SYS_CNTVCTSS (ESR_ELx_CP15_64_ISS_SYS_VAL(9, 14) | \ + ESR_ELx_CP15_64_ISS_DIR_READ) + #define ESR_ELx_CP15_32_ISS_SYS_CNTFRQ (ESR_ELx_CP15_32_ISS_SYS_VAL(0, 0, 14, 0) |\ ESR_ELx_CP15_32_ISS_DIR_READ) diff --git a/arch/arm64/kernel/traps.c b/arch/arm64/kernel/traps.c index b03e383d944ab29ce925aeaaaa3b64c6a012e2b6..16710ca55fbb3e577d038cd1eba82169fcfa3c5d 100644 --- a/arch/arm64/kernel/traps.c +++ b/arch/arm64/kernel/traps.c @@ -653,6 +653,12 @@ static const struct sys64_hook sys64_hooks[] = { .esr_val = ESR_ELx_SYS64_ISS_SYS_CNTVCT, .handler = cntvct_read_handler, }, + { + /* Trap read access to CNTVCTSS_EL0 */ + .esr_mask = ESR_ELx_SYS64_ISS_SYS_OP_MASK, + .esr_val = ESR_ELx_SYS64_ISS_SYS_CNTVCTSS, + .handler = cntvct_read_handler, + }, { /* Trap read access to CNTFRQ_EL0 */ .esr_mask = ESR_ELx_SYS64_ISS_SYS_OP_MASK, @@ -729,6 +735,11 @@ static const struct sys64_hook cp15_64_hooks[] = { .esr_val = ESR_ELx_CP15_64_ISS_SYS_CNTVCT, .handler = compat_cntvct_read_handler, }, + { + .esr_mask = ESR_ELx_CP15_64_ISS_SYS_MASK, + .esr_val = ESR_ELx_CP15_64_ISS_SYS_CNTVCTSS, + .handler = compat_cntvct_read_handler, + }, {}, };