From: <yang.yang29@zte.com.cn>
To: <mingo@redhat.com>
Cc: <acme@kernel.org>, <mark.rutland@arm.com>,
<alexander.shishkin@linux.intel.com>, <jolsa@kernel.org>,
<namhyung@kernel.org>, <tglx@linutronix.de>, <bp@alien8.de>,
<dave.hansen@linux.intel.com>, <x86@kernel.org>, <hpa@zytor.com>,
<linux-perf-users@vger.kernel.org>,
<linux-kernel@vger.kernel.org>, <xu.panda@zte.com.cn>,
<yang.yang29@zte.com.cn>
Subject: [PATCH linux-next] perf/x86/intel/pt: use sysfs_emit() to instead of scnprintf()
Date: Tue, 15 Nov 2022 20:00:56 +0800 (CST) [thread overview]
Message-ID: <202211152000566769480@zte.com.cn> (raw)
From: Xu Panda <xu.panda@zte.com.cn>
Replace the open-code with sysfs_emit() to simplify the code.
Signed-off-by: Xu Panda <xu.panda@zte.com.cn>
Signed-off-by: Yang Yang <yang.yang29@zte.com>
---
arch/x86/events/intel/pt.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/events/intel/pt.c b/arch/x86/events/intel/pt.c
index 82ef87e9a897..23e249e260f5 100644
--- a/arch/x86/events/intel/pt.c
+++ b/arch/x86/events/intel/pt.c
@@ -96,7 +96,7 @@ static ssize_t pt_cap_show(struct device *cdev,
container_of(attr, struct dev_ext_attribute, attr);
enum pt_capabilities cap = (long)ea->var;
- return snprintf(buf, PAGE_SIZE, "%x\n", intel_pt_validate_hw_cap(cap));
+ return sysfs_emit(buf, "%x\n", intel_pt_validate_hw_cap(cap));
}
static struct attribute_group pt_cap_group __ro_after_init = {
--
2.15.2
reply other threads:[~2022-11-15 12:01 UTC|newest]
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