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| author | Alexander Bulekov <alxndr@bu.edu> | 2023-04-27 17:10:08 -0400 |
|---|---|---|
| committer | Thomas Huth <thuth@redhat.com> | 2023-04-28 11:31:54 +0200 |
| commit | ef56ffbdd6b0605dc1e305611287b948c970e236 (patch) | |
| tree | fa7dbfd4584f203d6940a2cf25a61cf82482069f /scripts/checkpatch.pl | |
| parent | 9c86c97f12c060bf7484dd931f38634e166a81f0 (diff) | |
| download | focaccia-qemu-ef56ffbdd6b0605dc1e305611287b948c970e236.tar.gz focaccia-qemu-ef56ffbdd6b0605dc1e305611287b948c970e236.zip | |
checkpatch: add qemu_bh_new/aio_bh_new checks
Advise authors to use the _guarded versions of the APIs, instead. Signed-off-by: Alexander Bulekov <alxndr@bu.edu> Reviewed-by: Darren Kenny <darren.kenny@oracle.com> Message-Id: <20230427211013.2994127-4-alxndr@bu.edu> Signed-off-by: Thomas Huth <thuth@redhat.com>
Diffstat (limited to 'scripts/checkpatch.pl')
| -rwxr-xr-x | scripts/checkpatch.pl | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index d768171dcf..eeaec436eb 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -2865,6 +2865,14 @@ sub process { if ($line =~ /\bsignal\s*\(/ && !($line =~ /SIG_(?:IGN|DFL)/)) { ERROR("use sigaction to establish signal handlers; signal is not portable\n" . $herecurr); } +# recommend qemu_bh_new_guarded instead of qemu_bh_new + if ($realfile =~ /.*\/hw\/.*/ && $line =~ /\bqemu_bh_new\s*\(/) { + ERROR("use qemu_bh_new_guarded() instead of qemu_bh_new() to avoid reentrancy problems\n" . $herecurr); + } +# recommend aio_bh_new_guarded instead of aio_bh_new + if ($realfile =~ /.*\/hw\/.*/ && $line =~ /\baio_bh_new\s*\(/) { + ERROR("use aio_bh_new_guarded() instead of aio_bh_new() to avoid reentrancy problems\n" . $herecurr); + } # check for module_init(), use category-specific init macros explicitly please if ($line =~ /^module_init\s*\(/) { ERROR("please use block_init(), type_init() etc. instead of module_init()\n" . $herecurr); |