WARNING: line length of 96 exceeds 80 columns
#65: FILE: arch/x86/events/amd/core.c:882:
+static int amd_pmu_v2_snapshot_branch_stack(struct perf_branch_entry *entries, unsigned int cnt)

WARNING: line length of 83 exceeds 80 columns
#80: FILE: arch/x86/events/amd/core.c:897:
+	memcpy(entries, cpuc->lbr_entries, sizeof(struct perf_branch_entry) * cnt);

WARNING: line length of 105 exceeds 80 columns
#98: FILE: arch/x86/events/amd/core.c:1444:
+			static_call_update(perf_snapshot_branch_stack, amd_pmu_v2_snapshot_branch_stack);

total: 0 errors, 3 warnings, 0 checks, 91 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
      mechanically convert to the typical style using --fix or --fix-inplace.

Commit a60cbf7815a1 ("perf, amd: support capturing LBR from software events") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE GIT_COMMIT_ID MACRO_ARG_REUSE NO_AUTHOR_SIGN_OFF

NOTE: If any of the errors are false positives, please report
      them to the maintainer, see CHECKPATCH in MAINTAINERS.
total: 0 errors, 3 warnings, 0 checks, 91 lines checked