linux-kernel - [PATCH v1] perf libunwind: Fix calls to thread__e

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Message-ID: <20260211053827.140534-1-irogers@google.com>
Date: Tue, 10 Feb 2026 21:38:27 -0800
From: Ian Rogers <irogers@...gle.com>
To: Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>, 
	Arnaldo Carvalho de Melo <acme@...nel.org>, Namhyung Kim <namhyung@...nel.org>, 
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>, Jiri Olsa <jolsa@...nel.org>, 
	Ian Rogers <irogers@...gle.com>, Adrian Hunter <adrian.hunter@...el.com>, 
	James Clark <james.clark@...aro.org>, linux-perf-users@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: [PATCH v1] perf libunwind: Fix calls to thread__e_machine

Add the missing e_flags option to fix the build.

Fixes: 4e66527f8859 ("perf thread: Add optional e_flags output argument to thread__e_machine")
Signed-off-by: Ian Rogers <irogers@...gle.com>
---
 tools/perf/util/unwind-libunwind-local.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/tools/perf/util/unwind-libunwind-local.c b/tools/perf/util/unwind-libunwind-local.c
index ecf0c01fe51f..5b39ce21e333 100644
--- a/tools/perf/util/unwind-libunwind-local.c
+++ b/tools/perf/util/unwind-libunwind-local.c
@@ -584,7 +584,9 @@ static int access_mem(unw_addr_space_t __maybe_unused as,
 	}
 
 	ret = perf_reg_value(&start, perf_sample__user_regs(ui->sample),
-			     perf_arch_reg_sp(thread__e_machine(ui->thread, ui->machine)));
+			     perf_arch_reg_sp(thread__e_machine(ui->thread,
+								ui->machine,
+								/*e_flags=*/NULL)));
 	if (ret)
 		return ret;
 
@@ -733,7 +735,7 @@ static void _unwind__finish_access(struct maps *maps)
 static int get_entries(struct unwind_info *ui, unwind_entry_cb_t cb,
 		       void *arg, int max_stack)
 {
-	uint16_t e_machine = thread__e_machine(ui->thread, ui->machine);
+	uint16_t e_machine = thread__e_machine(ui->thread, ui->machine, /*e_flags=*/NULL);
 	u64 val;
 	unw_word_t ips[max_stack];
 	unw_addr_space_t addr_space;
-- 
2.53.0.239.g8d8fc8a987-goog