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SubjectRe: [PATCH 1/3] perf/x86/amd: AMD support for bp_len > HW_BREAKPOINT_LEN_8
On 04/27, Oleg Nesterov wrote:
>
> Suppose that the kernel was compiled without CONFIG_CPU_SUP_AMD.
> Then perf_event_open(attr => { .bp_len == 16 }) will succeed,
^^^^^^^^^^^^
sorry, I meant "can succeed" if CPU has X86_FEATURE_BPEXT.

Oleg.



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