downstream: cpufreq: CPPC: Don't warn on failing to read perf counters on offline cpus #42
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…s on offline cpus Reading perf counters on offline cpus should be expected to fail, e.g. it returns -EFAULT as counters are shown to be 0. Remove the unnecessary warning print on this failure path. Fixes: 1eb5dde ("cpufreq: CPPC: Add support for frequency invariance") Signed-off-by: Jie Zhan <zhanjie9@hisilicon.com> Signed-off-by: Hongye Lin <linhongye@h-partners.com> Signed-off-by: chenyi <chenyi211@h-partners.com> Signed-off-by: Cao Jiaqiang <caojiaqiang@huawei.com>
jackYoung0915
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下游补丁检查 |
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aarch64 aarch64-64k x86_64 |
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perf |
jackYoung0915
changed the title
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downstream: cpufreq: CPPC: Don't warn on failing to read perf counters on offline cpus
Reading perf counters on offline cpus should be expected to fail, e.g. it
returns -EFAULT as counters are shown to be 0. Remove the unnecessary
warning print on this failure path.
Fixes: 1eb5dde ("cpufreq: CPPC: Add support for frequency invariance")
Signed-off-by: Jie Zhan zhanjie9@hisilicon.com
Signed-off-by: Hongye Lin linhongye@h-partners.com
Signed-off-by: chenyi chenyi211@h-partners.com
Signed-off-by: Cao Jiaqiang caojiaqiang@huawei.com