Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
unwind: Simplify unwind_user_faultable()
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://patch.msgid.link/20250924080119.271671514@infradead.org
+6
-9
+6
-9
kernel/unwind/deferred.c
+6
-9
kernel/unwind/deferred.c
···
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cache = info->cache;
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trace->entries = cache->entries;
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-
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if (cache->nr_entries) {
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-
/*
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* The user stack has already been previously unwound in this
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* entry context. Skip the unwind and use the cache.
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-
*/
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trace->nr = cache->nr_entries;
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+
trace->nr = cache->nr_entries;
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+
/*
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* The user stack has already been previously unwound in this
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+
* entry context. Skip the unwind and use the cache.
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+
*/
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+
if (trace->nr)
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return 0;
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-
}
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-
trace->nr = 0;
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unwind_user(trace, UNWIND_MAX_ENTRIES);
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cache->nr_entries = trace->nr;