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Date: Wed, 3 Apr 2024 08:57:45 -0700 [thread overview]
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Jonathan Oleson
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-----Original Message-----
From: Atish Patra <atishp@rivosinc.com>
Sent: Wednesday, April 3, 2024 1:05 AM
To: linux-kernel@vger.kernel.org
Cc: Atish Patra <atishp@rivosinc.com>; Ajay Kaher <akaher@vmware.com>;
Alexandre Ghiti <alexghiti@rivosinc.com>; Alexey Makhalov
<amakhalov@vmware.com>; Andrew Jones <ajones@ventanamicro.com>; Anup Patel
<anup@brainfault.org>; Conor Dooley <conor.dooley@microchip.com>; Juergen
Gross <jgross@suse.com>; kvm-riscv@lists.infradead.org; kvm@vger.kernel.org;
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PV-Drivers Reviewers <pv-drivers@vmware.com>; Will Deacon <will@kernel.org>;
x86@kernel.org
Subject: [External] [PATCH v5 04/22] drivers/perf: riscv: Use BIT macro for
shifting operations
It is a good practice to use BIT() instead of (1UL << x).
Replace the current usages with BIT().
Signed-off-by: Atish Patra <atishp@rivosinc.com>
---
arch/riscv/include/asm/sbi.h | 20 ++++++++++----------
drivers/perf/riscv_pmu_sbi.c | 2 +-
2 files changed, 11 insertions(+), 11 deletions(-)
diff --git a/arch/riscv/include/asm/sbi.h b/arch/riscv/include/asm/sbi.h
index ef8311dafb91..4afa2cd01bae 100644
--- a/arch/riscv/include/asm/sbi.h
+++ b/arch/riscv/include/asm/sbi.h
@@ -233,20 +233,20 @@ enum sbi_pmu_ctr_type { #define
SBI_PMU_EVENT_IDX_INVALID 0xFFFFFFFF
/* Flags defined for config matching function */
-#define SBI_PMU_CFG_FLAG_SKIP_MATCH (1 << 0)
-#define SBI_PMU_CFG_FLAG_CLEAR_VALUE (1 << 1)
-#define SBI_PMU_CFG_FLAG_AUTO_START (1 << 2)
-#define SBI_PMU_CFG_FLAG_SET_VUINH (1 << 3)
-#define SBI_PMU_CFG_FLAG_SET_VSINH (1 << 4)
-#define SBI_PMU_CFG_FLAG_SET_UINH (1 << 5)
-#define SBI_PMU_CFG_FLAG_SET_SINH (1 << 6)
-#define SBI_PMU_CFG_FLAG_SET_MINH (1 << 7)
+#define SBI_PMU_CFG_FLAG_SKIP_MATCH BIT(0)
+#define SBI_PMU_CFG_FLAG_CLEAR_VALUE BIT(1)
+#define SBI_PMU_CFG_FLAG_AUTO_START BIT(2)
+#define SBI_PMU_CFG_FLAG_SET_VUINH BIT(3)
+#define SBI_PMU_CFG_FLAG_SET_VSINH BIT(4)
+#define SBI_PMU_CFG_FLAG_SET_UINH BIT(5)
+#define SBI_PMU_CFG_FLAG_SET_SINH BIT(6)
+#define SBI_PMU_CFG_FLAG_SET_MINH BIT(7)
/* Flags defined for counter start function */ -#define
SBI_PMU_START_FLAG_SET_INIT_VALUE (1 << 0)
+#define SBI_PMU_START_FLAG_SET_INIT_VALUE BIT(0)
/* Flags defined for counter stop function */ -#define
SBI_PMU_STOP_FLAG_RESET (1 << 0)
+#define SBI_PMU_STOP_FLAG_RESET BIT(0)
enum sbi_ext_dbcn_fid {
SBI_EXT_DBCN_CONSOLE_WRITE = 0,
diff --git a/drivers/perf/riscv_pmu_sbi.c b/drivers/perf/riscv_pmu_sbi.c
index babf1b9a4dbe..a83ae82301e3 100644
--- a/drivers/perf/riscv_pmu_sbi.c
+++ b/drivers/perf/riscv_pmu_sbi.c
@@ -386,7 +386,7 @@ static int pmu_sbi_ctr_get_idx(struct perf_event *event)
cmask = 1;
} else if (event->attr.config == PERF_COUNT_HW_INSTRUCTIONS)
{
cflags |= SBI_PMU_CFG_FLAG_SKIP_MATCH;
- cmask = 1UL << (CSR_INSTRET - CSR_CYCLE);
+ cmask = BIT(CSR_INSTRET - CSR_CYCLE);
}
}
--
2.34.1
next prev parent reply other threads:[~2024-04-03 15:57 UTC|newest]
Thread overview: 238+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-03 8:04 [PATCH v5 00/22] RISC-V SBI v2.0 PMU improvements and Perf sampling in KVM guest Atish Patra
2024-04-03 8:04 ` Atish Patra
2024-04-03 8:04 ` [PATCH v5 01/22] RISC-V: Fix the typo in Scountovf CSR name Atish Patra
2024-04-03 8:04 ` Atish Patra
2024-04-04 10:56 ` Andrew Jones
2024-04-04 10:56 ` Andrew Jones
2024-04-03 8:04 ` [PATCH v5 02/22] RISC-V: Add FIRMWARE_READ_HI definition Atish Patra
2024-04-03 8:04 ` Atish Patra
2024-04-04 10:57 ` Andrew Jones
2024-04-04 10:57 ` Andrew Jones
2024-04-03 8:04 ` [PATCH v5 03/22] drivers/perf: riscv: Read upper bits of a firmware counter Atish Patra
2024-04-03 8:04 ` Atish Patra
2024-04-04 11:02 ` Andrew Jones
2024-04-04 11:02 ` Andrew Jones
2024-04-09 0:04 ` Atish Patra
2024-04-09 0:04 ` Atish Patra
2024-04-03 8:04 ` [PATCH v5 04/22] drivers/perf: riscv: Use BIT macro for shifting operations Atish Patra
2024-04-03 8:04 ` Atish Patra
2024-04-03 15:57 ` jonathan.oleson [this message]
2024-04-04 11:08 ` Andrew Jones
2024-04-04 11:08 ` Andrew Jones
2024-04-09 0:20 ` Atish Patra
2024-04-09 0:20 ` Atish Patra
2024-04-03 8:04 ` [PATCH v5 05/22] RISC-V: Add SBI PMU snapshot definitions Atish Patra
2024-04-03 8:04 ` Atish Patra
2024-04-04 11:14 ` Andrew Jones
2024-04-04 11:14 ` Andrew Jones
2024-04-03 8:04 ` [PATCH v5 06/22] drivers/perf: riscv: Implement SBI PMU snapshot function Atish Patra
2024-04-03 8:04 ` Atish Patra
2024-04-04 11:52 ` Andrew Jones
2024-04-04 11:52 ` Andrew Jones
2024-04-10 22:29 ` Atish Patra
2024-04-10 22:29 ` Atish Patra
2024-04-11 7:45 ` Andrew Jones
2024-04-11 7:45 ` Andrew Jones
2024-04-04 12:01 ` Andrew Jones
2024-04-04 12:01 ` Andrew Jones
2024-04-09 0:21 ` Atish Patra
2024-04-09 0:21 ` Atish Patra
2024-04-03 8:04 ` [PATCH v5 07/22] drivers/perf: riscv: Fix counter mask iteration for RV32 Atish Patra
2024-04-03 8:04 ` Atish Patra
2024-04-04 11:55 ` Andrew Jones
2024-04-04 11:55 ` Andrew Jones
2024-04-03 8:04 ` [PATCH v5 08/22] RISC-V: KVM: Fix the initial sample period value Atish Patra
2024-04-03 8:04 ` Atish Patra
2024-04-04 11:57 ` Andrew Jones
2024-04-04 11:57 ` Andrew Jones
2024-04-03 8:04 ` [PATCH v5 09/22] RISC-V: KVM: Rename the SBI_STA_SHMEM_DISABLE to a generic name Atish Patra
2024-04-03 8:04 ` Atish Patra
2024-04-04 11:59 ` Andrew Jones
2024-04-04 11:59 ` Andrew Jones
2024-04-03 8:04 ` [PATCH v5 10/22] RISC-V: KVM: No need to update the counter value during reset Atish Patra
2024-04-03 8:04 ` Atish Patra
2024-04-03 8:04 ` [PATCH v5 11/22] RISC-V: KVM: No need to exit to the user space if perf event failed Atish Patra
2024-04-03 8:04 ` Atish Patra
2024-04-04 12:19 ` Andrew Jones
2024-04-04 12:19 ` Andrew Jones
2024-04-03 8:04 ` [PATCH v5 12/22] RISC-V: KVM: Implement SBI PMU Snapshot feature Atish Patra
2024-04-03 8:04 ` Atish Patra
2024-04-05 11:23 ` Andrew Jones
2024-04-05 11:23 ` Andrew Jones
2024-04-09 0:33 ` Atish Patra
2024-04-09 0:33 ` Atish Patra
2024-04-03 8:04 ` [PATCH v5 13/22] RISC-V: KVM: Add perf sampling support for guests Atish Patra
2024-04-03 8:04 ` Atish Patra
2024-04-05 11:36 ` Andrew Jones
2024-04-05 11:36 ` Andrew Jones
2024-04-03 8:04 ` [PATCH v5 14/22] RISC-V: KVM: Support 64 bit firmware counters on RV32 Atish Patra
2024-04-03 8:04 ` Atish Patra
2024-04-05 12:10 ` Andrew Jones
2024-04-05 12:10 ` Andrew Jones
2024-04-03 8:04 ` [PATCH v5 15/22] RISC-V: KVM: Improve firmware counter read function Atish Patra
2024-04-03 8:04 ` Atish Patra
2024-04-05 12:12 ` Andrew Jones
2024-04-05 12:12 ` Andrew Jones
2024-04-03 8:04 ` [PATCH v5 16/22] KVM: riscv: selftests: Move sbi definitions to its own header file Atish Patra
2024-04-03 8:04 ` Atish Patra
2024-04-05 12:16 ` Andrew Jones
2024-04-05 12:16 ` Andrew Jones
2024-04-03 8:04 ` [PATCH v5 17/22] KVM: riscv: selftests: Add helper functions for extension checks Atish Patra
2024-04-03 8:04 ` Atish Patra
2024-04-05 12:17 ` Andrew Jones
2024-04-05 12:17 ` Andrew Jones
2024-04-03 8:04 ` [PATCH v5 18/22] KVM: riscv: selftests: Add Sscofpmf to get-reg-list test Atish Patra
2024-04-03 8:04 ` Atish Patra
2024-04-03 8:04 ` [PATCH v5 19/22] KVM: riscv: selftests: Add SBI PMU extension definitions Atish Patra
2024-04-03 8:04 ` Atish Patra
2024-04-05 12:20 ` Andrew Jones
2024-04-05 12:20 ` Andrew Jones
2024-04-03 8:04 ` [PATCH v5 20/22] KVM: riscv: selftests: Add SBI PMU selftest Atish Patra
2024-04-03 8:04 ` Atish Patra
2024-04-05 12:50 ` Andrew Jones
2024-04-05 12:50 ` Andrew Jones
2024-04-09 0:37 ` Atish Patra
2024-04-09 0:37 ` Atish Patra
2024-04-09 8:01 ` Andrew Jones
2024-04-09 8:01 ` Andrew Jones
2024-04-09 22:11 ` Atish Kumar Patra
2024-04-09 22:11 ` Atish Kumar Patra
2024-04-03 8:04 ` [PATCH v5 21/22] KVM: riscv: selftests: Add a test for PMU snapshot functionality Atish Patra
2024-04-03 8:04 ` Atish Patra
2024-04-05 13:11 ` Andrew Jones
2024-04-05 13:11 ` Andrew Jones
2024-04-09 22:52 ` Atish Patra
2024-04-09 22:52 ` Atish Patra
2024-04-10 7:10 ` Andrew Jones
2024-04-10 7:10 ` Andrew Jones
2024-04-10 7:28 ` Atish Patra
2024-04-10 7:28 ` Atish Patra
2024-04-10 7:54 ` Andrew Jones
2024-04-10 7:54 ` Andrew Jones
2024-04-03 8:04 ` [PATCH v5 22/22] KVM: riscv: selftests: Add a test for counter overflow Atish Patra
2024-04-03 8:04 ` Atish Patra
2024-04-05 13:23 ` Andrew Jones
2024-04-05 13:23 ` Andrew Jones
2024-04-09 23:47 ` Atish Patra
2024-04-09 23:47 ` Atish Patra
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