5.10-stable review patch. If anyone has any objections, please let me know.
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From: Stephen Boyd swboyd@chromium.org
[ Upstream commit 5bf0f3bc377e5f87bfd61ccc9c1efb3c6261f2c3 ]
Sometimes if you're using tools that have linked things improperly or have new features/sections that older tools don't expect you'll see warnings printed to stderr. We don't really care about these warnings, so let's just silence these messages to cleanup output of this script.
Link: https://lkml.kernel.org/r/20210511003845.2429846-10-swboyd@chromium.org Signed-off-by: Stephen Boyd swboyd@chromium.org Cc: Jiri Olsa jolsa@kernel.org Cc: Alexei Starovoitov ast@kernel.org Cc: Jessica Yu jeyu@kernel.org Cc: Evan Green evgreen@chromium.org Cc: Hsin-Yi Wang hsinyi@chromium.org Cc: Konstantin Khlebnikov khlebnikov@yandex-team.ru Cc: Sasha Levin sashal@kernel.org Cc: Andy Shevchenko andriy.shevchenko@linux.intel.com Cc: Baoquan He bhe@redhat.com Cc: Borislav Petkov bp@alien8.de Cc: Catalin Marinas catalin.marinas@arm.com Cc: Dave Young dyoung@redhat.com Cc: Ingo Molnar mingo@redhat.com Cc: Matthew Wilcox willy@infradead.org Cc: Petr Mladek pmladek@suse.com Cc: Rasmus Villemoes linux@rasmusvillemoes.dk Cc: Sergey Senozhatsky sergey.senozhatsky@gmail.com Cc: Steven Rostedt rostedt@goodmis.org Cc: Thomas Gleixner tglx@linutronix.de Cc: Vivek Goyal vgoyal@redhat.com Cc: Will Deacon will@kernel.org Signed-off-by: Andrew Morton akpm@linux-foundation.org Signed-off-by: Linus Torvalds torvalds@linux-foundation.org Stable-dep-of: efbd63983533 ("scripts/decode_stacktrace.sh: optionally use LLVM utilities") Signed-off-by: Sasha Levin sashal@kernel.org --- scripts/decode_stacktrace.sh | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/scripts/decode_stacktrace.sh b/scripts/decode_stacktrace.sh index 90398347e366..5bdf610f33d2 100755 --- a/scripts/decode_stacktrace.sh +++ b/scripts/decode_stacktrace.sh @@ -51,7 +51,7 @@ find_module() { find_module && return
if [[ $release == "" ]] ; then - release=$(gdb -ex 'print init_uts_ns.name.release' -ex 'quit' -quiet -batch "$vmlinux" | sed -n 's/$1 = "(.*)".*/\1/p') + release=$(gdb -ex 'print init_uts_ns.name.release' -ex 'quit' -quiet -batch "$vmlinux" 2>/dev/null | sed -n 's/$1 = "(.*)".*/\1/p') fi
for dn in {/usr/lib/debug,}/lib/modules/$release ; do @@ -105,7 +105,7 @@ parse_symbol() { if [[ "${cache[$module,$name]+isset}" == "isset" ]]; then local base_addr=${cache[$module,$name]} else - local base_addr=$(nm "$objfile" | awk '$3 == "'$name'" && ($2 == "t" || $2 == "T") {print $1; exit}') + local base_addr=$(nm "$objfile" 2>/dev/null | awk '$3 == "'$name'" && ($2 == "t" || $2 == "T") {print $1; exit}') if [[ $base_addr == "" ]] ; then # address not found return @@ -129,7 +129,7 @@ parse_symbol() { if [[ "${cache[$module,$address]+isset}" == "isset" ]]; then local code=${cache[$module,$address]} else - local code=$(${CROSS_COMPILE}addr2line -i -e "$objfile" "$address") + local code=$(${CROSS_COMPILE}addr2line -i -e "$objfile" "$address" 2>/dev/null) cache[$module,$address]=$code fi