linux

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Adrian Hunter b743186438 perf kcore_copy: Do not check /proc/modules is unchanged

[ Upstream commit 5b427df27b94aec1312cace48a746782a0925c53 ]

/proc/kallsyms and /proc/modules are compared before and after the copy
in order to ensure no changes during the copy.

However /proc/modules also might change due to reference counts changing
even though that does not make any difference.

Any modules loaded or unloaded should be visible in changes to kallsyms,
so it is not necessary to check /proc/modules also anyway.

Remove the comparison checking that /proc/modules is unchanged.

Fixes: fc1b691d7651d949 ("perf buildid-cache: Add ability to add kcore to the cache")
Reported-by: Daniel Dao <dqminh@cloudflare.com>
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Tested-by: Daniel Dao <dqminh@cloudflare.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Link: https://lore.kernel.org/r/20220914122429.8770-1-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

2022-09-28 10:55:46 +02:00

accounting

tools/accounting/getdelays.c: fix netlink attribute length

2020-04-13 10:32:56 +02:00

arch

x86/speculation: Rename RETPOLINE_AMD to RETPOLINE_LFENCE

2022-03-11 10:03:30 +01:00

build

tools build: Use $(shell ) instead of `` to get embedded libperl's ccopts

2022-04-20 09:06:44 +02:00

cgroup

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