On Fri, 28 Aug 2026 at 22:33, Yonghao Li <[email protected]> wrote: > > LZCNT support is enumerated by CPUID.80000001H:ECX[5]. The current > definition checks ECX bit 4, which identifies CR8 legacy mode on AMD > processors and is reserved on Intel processors. As a result, > RTE_CPUFLAG_LZCNT can be reported incorrectly. > > Check ECX bit 5 instead. > > Fixes: af75078fece3 ("first public release") > Cc: [email protected] > Signed-off-by: Yonghao Li <[email protected]>
This looks correct to me. Acked-by: David Marchand <[email protected]> Bruce, can I use a second pair of eyes? -- David Marchand

