Re: [PATCH RESEND v7 05/21] drivers/perf: apple_m1: Support configuring counters for 32-bit EL0
From: Will Deacon <will@kernel.org>
Date: 2025-07-14 15:12:09
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On Mon, Jun 16, 2025 at 09:31:54AM +0800, Nick Chan wrote:
quoted hunk ↗ jump to hunk
Add support for configuring counters for 32-bit EL0 to allow adding support for implementations with 32-bit EL0. For documentation purposes, also add the bitmask for configuring counters for 64-bit EL3. Signed-off-by: Nick Chan <redacted> --- arch/arm64/include/asm/apple_m1_pmu.h | 3 +++ drivers/perf/apple_m1_cpu_pmu.c | 6 ++++++ 2 files changed, 9 insertions(+)diff --git a/arch/arm64/include/asm/apple_m1_pmu.h b/arch/arm64/include/asm/apple_m1_pmu.h index 02e05d05851f739b985bf416f1aa3baeafd691dc..6e238043e0dc2360c4fd507dc6a0eb7e055d2d6f 100644 --- a/arch/arm64/include/asm/apple_m1_pmu.h +++ b/arch/arm64/include/asm/apple_m1_pmu.h@@ -38,8 +38,11 @@ #define SYS_IMP_APL_PMCR1_EL1 sys_reg(3, 1, 15, 1, 0) #define SYS_IMP_APL_PMCR1_EL12 sys_reg(3, 1, 15, 7, 2) +#define PMCR1_COUNT_A32_EL0_0_7 GENMASK(7, 0) #define PMCR1_COUNT_A64_EL0_0_7 GENMASK(15, 8) #define PMCR1_COUNT_A64_EL1_0_7 GENMASK(23, 16) +#define PMCR1_COUNT_A64_EL3_0_7 GENMASK(31, 24)
No need to add this one ^^ Will