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charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-DetectorID-Processed: b00c1d49-9d2e-4205-b15f-d015386d3d5e On 5/19/26 11:55, Ian Rogers wrote: > On Tue, May 19, 2026 at 11:51 AM Florian Fainelli > wrote: >> >> This patch series contains "perf" build fixes specific to 6.1. We have >> seen occasional build failures in our CI looking like these: >> >> util/parse-events-bison.c: In function 'yy_symbol_print': >> util/parse-events-bison.c:901: error: unterminated #if >> 901 | #if YYDEBUG >> | >> util/parse-events-bison.c:1020:62: error: '_p' undeclared (first use in this function) >> 1020 | yy_symbol_value_print (yyo, yykind, yyvaluep, yylocationp, _parse_state, scanner); >> | ^~ >> util/parse-events-bison.c:1020:62: note: each undeclared identifier is reported only once for each function it appears in >> util/parse-events-bison.c:1020:64: error: expected ')' at end of input >> 1020 | yy_symbol_value_print (yyo, yykind, yyvaluep, yylocationp, _parse_state, scanner); >> | ~ ^ >> | ) >> 1021 | YYFPRINTF (yyo, ")"); >> | >> util/parse-events-bison.c:1020:3: error: too few arguments to function 'yy_symbol_value_print' >> 1020 | yy_symbol_value_print (yyo, yykind, yyvaluep, yylocationp, _parse_state, scanner); >> | ^~~~~~~~~~~~~~~~~~~~~ >> util/parse-events-bison.c:991:1: note: declared here >> 991 | yy_symbol_value_print (FILE *yyo, >> | ^~~~~~~~~~~~~~~~~~~~~ >> >> which are resolved by these patches. > > Lgtm, but the changes should be unnecessary as perf from Linux 7.1 > should run on Linux 6.1 and with more and better features. That's a bit harder to ship logistically for us and likely for others as well where we expect a single source to build the kernel and its companion tools. -- Florian