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Date:   Fri, 5 Nov 2021 23:50:33 +0800
From:   Zackary Liu <zackary.liu.pro@...il.com>
To:     gregkh@...uxfoundation.org, ripxorip@...il.com,
        maennich@...gle.com, matthieu.baerts@...sares.net,
        masahiroy@...nel.org
Cc:     Marc Zyngier <maz@...nel.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] scripts/tags: add space regexs to all regex_c

Hi all,
    Excuse me, everybody.
    I submitted a patch yesterday. Now I have a question why the
maintainer's mailbox was not found during "get_maintainer.pl".
    It outputs the following information:
    ---
    linux-next$ scripts/get_maintainer.pl -f scripts/tags.sh
        Zhaoyu Liu <zackary.liu.pro@...il.com>
(commit_signer:2/4=50%,authored:2/4=50%,added_lines:68/74=92%,removed_lines:72/74=97%)
        Greg Kroah-Hartman <gregkh@...uxfoundation.org> (commit_signer:2/4=50%)
        "Philip K. Gisslow" <ripxorip@...il.com>
(commit_signer:1/4=25%,authored:1/4=25%,added_lines:5/74=7%)
        Matthias Maennich <maennich@...gle.com> (commit_signer:1/4=25%)
        Michael Ellerman <mpe@...erman.id.au> (commit_signer:1/4=25%)
        Masahiro Yamada <masahiroy@...nel.org> (authored:1/4=25%)
        linux-kernel@...r.kernel.org (open list)
    ---
    Is it a bug in "get_maintainer.pl"?
    Is it correct for me to send patch to all "commit_signer"? Who
will review my patch and merge it?

    I look forward to your reply. Thank you very much.

    Best Regards

On Wed, Nov 3, 2021 at 11:22 PM Zhaoyu Liu <zackary.liu.pro@...il.com> wrote:
>
> When "make tags", it prompts a warning:
>
>     ctags: Warning: drivers/pci/controller/pcie-apple.c:150:
>     null expansion of name pattern "\1"
>
> The reason is that there is an indentation beside arguments of
> DECLARE_BITMAP, but it can parsed normally by gtags. It's also
> allowed in C.
>
> Regex [:space:] can match any white space character, so it's a
> better approach to add it to each item in regex_c.
>
> Suggested-by: Marc Zyngier <maz@...nel.org>
> Signed-off-by: Zhaoyu Liu <zackary.liu.pro@...il.com>
> ---
>  scripts/tags.sh | 126 ++++++++++++++++++++++++------------------------
>  1 file changed, 63 insertions(+), 63 deletions(-)
>
> diff --git a/scripts/tags.sh b/scripts/tags.sh
> index b24bfaec6290..16d475b3e203 100755
> --- a/scripts/tags.sh
> +++ b/scripts/tags.sh
> @@ -140,71 +140,71 @@ dogtags()
>  # - etags regular expressions have to match at the start of a line;
>  #   a ^[^#] is prepended by setup_regex unless an anchor is already present
>  regex_asm=(
> -       '/^\(ENTRY\|_GLOBAL\)(\([[:alnum:]_\\]*\)).*/\2/'
> +       '/^\(ENTRY\|_GLOBAL\)([[:space:]]*\([[:alnum:]_\\]*\)).*/\2/'
>  )
>  regex_c=(
> -       '/^SYSCALL_DEFINE[0-9](\([[:alnum:]_]*\).*/sys_\1/'
> -       '/^BPF_CALL_[0-9](\([[:alnum:]_]*\).*/\1/'
> -       '/^COMPAT_SYSCALL_DEFINE[0-9](\([[:alnum:]_]*\).*/compat_sys_\1/'
> -       '/^TRACE_EVENT(\([[:alnum:]_]*\).*/trace_\1/'
> -       '/^TRACE_EVENT(\([[:alnum:]_]*\).*/trace_\1_rcuidle/'
> -       '/^DEFINE_EVENT([^,)]*, *\([[:alnum:]_]*\).*/trace_\1/'
> -       '/^DEFINE_EVENT([^,)]*, *\([[:alnum:]_]*\).*/trace_\1_rcuidle/'
> -       '/^DEFINE_INSN_CACHE_OPS(\([[:alnum:]_]*\).*/get_\1_slot/'
> -       '/^DEFINE_INSN_CACHE_OPS(\([[:alnum:]_]*\).*/free_\1_slot/'
> -       '/^PAGEFLAG(\([[:alnum:]_]*\).*/Page\1/'
> -       '/^PAGEFLAG(\([[:alnum:]_]*\).*/SetPage\1/'
> -       '/^PAGEFLAG(\([[:alnum:]_]*\).*/ClearPage\1/'
> -       '/^TESTSETFLAG(\([[:alnum:]_]*\).*/TestSetPage\1/'
> -       '/^TESTPAGEFLAG(\([[:alnum:]_]*\).*/Page\1/'
> -       '/^SETPAGEFLAG(\([[:alnum:]_]*\).*/SetPage\1/'
> -       '/\<__SETPAGEFLAG(\([[:alnum:]_]*\).*/__SetPage\1/'
> -       '/\<TESTCLEARFLAG(\([[:alnum:]_]*\).*/TestClearPage\1/'
> -       '/\<__TESTCLEARFLAG(\([[:alnum:]_]*\).*/TestClearPage\1/'
> -       '/\<CLEARPAGEFLAG(\([[:alnum:]_]*\).*/ClearPage\1/'
> -       '/\<__CLEARPAGEFLAG(\([[:alnum:]_]*\).*/__ClearPage\1/'
> -       '/^__PAGEFLAG(\([[:alnum:]_]*\).*/__SetPage\1/'
> -       '/^__PAGEFLAG(\([[:alnum:]_]*\).*/__ClearPage\1/'
> -       '/^PAGEFLAG_FALSE(\([[:alnum:]_]*\).*/Page\1/'
> -       '/\<TESTSCFLAG(\([[:alnum:]_]*\).*/TestSetPage\1/'
> -       '/\<TESTSCFLAG(\([[:alnum:]_]*\).*/TestClearPage\1/'
> -       '/\<SETPAGEFLAG_NOOP(\([[:alnum:]_]*\).*/SetPage\1/'
> -       '/\<CLEARPAGEFLAG_NOOP(\([[:alnum:]_]*\).*/ClearPage\1/'
> -       '/\<__CLEARPAGEFLAG_NOOP(\([[:alnum:]_]*\).*/__ClearPage\1/'
> -       '/\<TESTCLEARFLAG_FALSE(\([[:alnum:]_]*\).*/TestClearPage\1/'
> -       '/^PAGE_TYPE_OPS(\([[:alnum:]_]*\).*/Page\1/'
> -       '/^PAGE_TYPE_OPS(\([[:alnum:]_]*\).*/__SetPage\1/'
> -       '/^PAGE_TYPE_OPS(\([[:alnum:]_]*\).*/__ClearPage\1/'
> -       '/^TASK_PFA_TEST([^,]*, *\([[:alnum:]_]*\))/task_\1/'
> -       '/^TASK_PFA_SET([^,]*, *\([[:alnum:]_]*\))/task_set_\1/'
> -       '/^TASK_PFA_CLEAR([^,]*, *\([[:alnum:]_]*\))/task_clear_\1/'
> -       '/^DEF_MMIO_\(IN\|OUT\)_[XD](\([[:alnum:]_]*\),[^)]*)/\2/'
> -       '/^DEBUGGER_BOILERPLATE(\([[:alnum:]_]*\))/\1/'
> -       '/^DEF_PCI_AC_\(\|NO\)RET(\([[:alnum:]_]*\).*/\2/'
> -       '/^PCI_OP_READ(\(\w*\).*[1-4])/pci_bus_read_config_\1/'
> -       '/^PCI_OP_WRITE(\(\w*\).*[1-4])/pci_bus_write_config_\1/'
> -       '/\<DEFINE_\(RT_MUTEX\|MUTEX\|SEMAPHORE\|SPINLOCK\)(\([[:alnum:]_]*\)/\2/v/'
> -       '/\<DEFINE_\(RAW_SPINLOCK\|RWLOCK\|SEQLOCK\)(\([[:alnum:]_]*\)/\2/v/'
> -       '/\<DECLARE_\(RWSEM\|COMPLETION\)(\([[:alnum:]_]\+\)/\2/v/'
> -       '/\<DECLARE_BITMAP(\([[:alnum:]_]*\)/\1/v/'
> -       '/\(^\|\s\)\(\|L\|H\)LIST_HEAD(\([[:alnum:]_]*\)/\3/v/'
> -       '/\(^\|\s\)RADIX_TREE(\([[:alnum:]_]*\)/\2/v/'
> -       '/\<DEFINE_PER_CPU([^,]*, *\([[:alnum:]_]*\)/\1/v/'
> -       '/\<DEFINE_PER_CPU_SHARED_ALIGNED([^,]*, *\([[:alnum:]_]*\)/\1/v/'
> -       '/\<DECLARE_WAIT_QUEUE_HEAD(\([[:alnum:]_]*\)/\1/v/'
> -       '/\<DECLARE_\(TASKLET\|WORK\|DELAYED_WORK\)(\([[:alnum:]_]*\)/\2/v/'
> -       '/\(^\s\)OFFSET(\([[:alnum:]_]*\)/\2/v/'
> -       '/\(^\s\)DEFINE(\([[:alnum:]_]*\)/\2/v/'
> -       '/\<\(DEFINE\|DECLARE\)_HASHTABLE(\([[:alnum:]_]*\)/\2/v/'
> -       '/\<DEFINE_ID\(R\|A\)(\([[:alnum:]_]\+\)/\2/'
> -       '/\<DEFINE_WD_CLASS(\([[:alnum:]_]\+\)/\1/'
> -       '/\<ATOMIC_NOTIFIER_HEAD(\([[:alnum:]_]\+\)/\1/'
> -       '/\<RAW_NOTIFIER_HEAD(\([[:alnum:]_]\+\)/\1/'
> -       '/\<DECLARE_FAULT_ATTR(\([[:alnum:]_]\+\)/\1/'
> -       '/\<BLOCKING_NOTIFIER_HEAD(\([[:alnum:]_]\+\)/\1/'
> -       '/\<DEVICE_ATTR_\(RW\|RO\|WO\)(\([[:alnum:]_]\+\)/dev_attr_\2/'
> -       '/\<DRIVER_ATTR_\(RW\|RO\|WO\)(\([[:alnum:]_]\+\)/driver_attr_\2/'
> -       '/\<\(DEFINE\|DECLARE\)_STATIC_KEY_\(TRUE\|FALSE\)\(\|_RO\)(\([[:alnum:]_]\+\)/\4/'
> +       '/^SYSCALL_DEFINE[0-9]([[:space:]]*\([[:alnum:]_]*\).*/sys_\1/'
> +       '/^BPF_CALL_[0-9]([[:space:]]*\([[:alnum:]_]*\).*/\1/'
> +       '/^COMPAT_SYSCALL_DEFINE[0-9]([[:space:]]*\([[:alnum:]_]*\).*/compat_sys_\1/'
> +       '/^TRACE_EVENT([[:space:]]*\([[:alnum:]_]*\).*/trace_\1/'
> +       '/^TRACE_EVENT([[:space:]]*\([[:alnum:]_]*\).*/trace_\1_rcuidle/'
> +       '/^DEFINE_EVENT([^,)]*,[[:space:]]*\([[:alnum:]_]*\).*/trace_\1/'
> +       '/^DEFINE_EVENT([^,)]*,[[:space:]]*\([[:alnum:]_]*\).*/trace_\1_rcuidle/'
> +       '/^DEFINE_INSN_CACHE_OPS([[:space:]]*\([[:alnum:]_]*\).*/get_\1_slot/'
> +       '/^DEFINE_INSN_CACHE_OPS([[:space:]]*\([[:alnum:]_]*\).*/free_\1_slot/'
> +       '/^PAGEFLAG([[:space:]]*\([[:alnum:]_]*\).*/Page\1/'
> +       '/^PAGEFLAG([[:space:]]*\([[:alnum:]_]*\).*/SetPage\1/'
> +       '/^PAGEFLAG([[:space:]]*\([[:alnum:]_]*\).*/ClearPage\1/'
> +       '/^TESTSETFLAG([[:space:]]*\([[:alnum:]_]*\).*/TestSetPage\1/'
> +       '/^TESTPAGEFLAG([[:space:]]*\([[:alnum:]_]*\).*/Page\1/'
> +       '/^SETPAGEFLAG([[:space:]]*\([[:alnum:]_]*\).*/SetPage\1/'
> +       '/\<__SETPAGEFLAG([[:space:]]*\([[:alnum:]_]*\).*/__SetPage\1/'
> +       '/\<TESTCLEARFLAG([[:space:]]*\([[:alnum:]_]*\).*/TestClearPage\1/'
> +       '/\<__TESTCLEARFLAG([[:space:]]*\([[:alnum:]_]*\).*/TestClearPage\1/'
> +       '/\<CLEARPAGEFLAG([[:space:]]*\([[:alnum:]_]*\).*/ClearPage\1/'
> +       '/\<__CLEARPAGEFLAG([[:space:]]*\([[:alnum:]_]*\).*/__ClearPage\1/'
> +       '/^__PAGEFLAG([[:space:]]*\([[:alnum:]_]*\).*/__SetPage\1/'
> +       '/^__PAGEFLAG([[:space:]]*\([[:alnum:]_]*\).*/__ClearPage\1/'
> +       '/^PAGEFLAG_FALSE([[:space:]]*\([[:alnum:]_]*\).*/Page\1/'
> +       '/\<TESTSCFLAG([[:space:]]*\([[:alnum:]_]*\).*/TestSetPage\1/'
> +       '/\<TESTSCFLAG([[:space:]]*\([[:alnum:]_]*\).*/TestClearPage\1/'
> +       '/\<SETPAGEFLAG_NOOP([[:space:]]*\([[:alnum:]_]*\).*/SetPage\1/'
> +       '/\<CLEARPAGEFLAG_NOOP([[:space:]]*\([[:alnum:]_]*\).*/ClearPage\1/'
> +       '/\<__CLEARPAGEFLAG_NOOP([[:space:]]*\([[:alnum:]_]*\).*/__ClearPage\1/'
> +       '/\<TESTCLEARFLAG_FALSE([[:space:]]*\([[:alnum:]_]*\).*/TestClearPage\1/'
> +       '/^PAGE_TYPE_OPS([[:space:]]*\([[:alnum:]_]*\).*/Page\1/'
> +       '/^PAGE_TYPE_OPS([[:space:]]*\([[:alnum:]_]*\).*/__SetPage\1/'
> +       '/^PAGE_TYPE_OPS([[:space:]]*\([[:alnum:]_]*\).*/__ClearPage\1/'
> +       '/^TASK_PFA_TEST([^,]*,[[:space:]]*\([[:alnum:]_]*\))/task_\1/'
> +       '/^TASK_PFA_SET([^,]*,[[:space:]]*\([[:alnum:]_]*\))/task_set_\1/'
> +       '/^TASK_PFA_CLEAR([^,]*,[[:space:]]*\([[:alnum:]_]*\))/task_clear_\1/'
> +       '/^DEF_MMIO_\(IN\|OUT\)_[XD]([[:space:]]*\([[:alnum:]_]*\),[^)]*)/\2/'
> +       '/^DEBUGGER_BOILERPLATE([[:space:]]*\([[:alnum:]_]*\))/\1/'
> +       '/^DEF_PCI_AC_\(\|NO\)RET([[:space:]]*\([[:alnum:]_]*\).*/\2/'
> +       '/^PCI_OP_READ([[:space:]]*\(\w*\).*[1-4])/pci_bus_read_config_\1/'
> +       '/^PCI_OP_WRITE([[:space:]]*\(\w*\).*[1-4])/pci_bus_write_config_\1/'
> +       '/\<DEFINE_\(RT_MUTEX\|MUTEX\|SEMAPHORE\|SPINLOCK\)([[:space:]]*\([[:alnum:]_]*\)/\2/v/'
> +       '/\<DEFINE_\(RAW_SPINLOCK\|RWLOCK\|SEQLOCK\)([[:space:]]*\([[:alnum:]_]*\)/\2/v/'
> +       '/\<DECLARE_\(RWSEM\|COMPLETION\)([[:space:]]*\([[:alnum:]_]\+\)/\2/v/'
> +       '/\<DECLARE_BITMAP([[:space:]]*\([[:alnum:]_]*\)/\1/v/'
> +       '/\(^\|\s\)\(\|L\|H\)LIST_HEAD([[:space:]]*\([[:alnum:]_]*\)/\3/v/'
> +       '/\(^\|\s\)RADIX_TREE([[:space:]]*\([[:alnum:]_]*\)/\2/v/'
> +       '/\<DEFINE_PER_CPU([^,]*,[[:space:]]*\([[:alnum:]_]*\)/\1/v/'
> +       '/\<DEFINE_PER_CPU_SHARED_ALIGNED([^,]*,[[:space:]]*\([[:alnum:]_]*\)/\1/v/'
> +       '/\<DECLARE_WAIT_QUEUE_HEAD([[:space:]]*\([[:alnum:]_]*\)/\1/v/'
> +       '/\<DECLARE_\(TASKLET\|WORK\|DELAYED_WORK\)([[:space:]]*\([[:alnum:]_]*\)/\2/v/'
> +       '/\(^\s\)OFFSET([[:space:]]*\([[:alnum:]_]*\)/\2/v/'
> +       '/\(^\s\)DEFINE([[:space:]]*\([[:alnum:]_]*\)/\2/v/'
> +       '/\<\(DEFINE\|DECLARE\)_HASHTABLE([[:space:]]*\([[:alnum:]_]*\)/\2/v/'
> +       '/\<DEFINE_ID\(R\|A\)([[:space:]]*\([[:alnum:]_]\+\)/\2/'
> +       '/\<DEFINE_WD_CLASS([[:space:]]*\([[:alnum:]_]\+\)/\1/'
> +       '/\<ATOMIC_NOTIFIER_HEAD([[:space:]]*\([[:alnum:]_]\+\)/\1/'
> +       '/\<RAW_NOTIFIER_HEAD([[:space:]]*\([[:alnum:]_]\+\)/\1/'
> +       '/\<DECLARE_FAULT_ATTR([[:space:]]*\([[:alnum:]_]\+\)/\1/'
> +       '/\<BLOCKING_NOTIFIER_HEAD([[:space:]]*\([[:alnum:]_]\+\)/\1/'
> +       '/\<DEVICE_ATTR_\(RW\|RO\|WO\)([[:space:]]*\([[:alnum:]_]\+\)/dev_attr_\2/'
> +       '/\<DRIVER_ATTR_\(RW\|RO\|WO\)([[:space:]]*\([[:alnum:]_]\+\)/driver_attr_\2/'
> +       '/\<\(DEFINE\|DECLARE\)_STATIC_KEY_\(TRUE\|FALSE\)\(\|_RO\)([[:space:]]*\([[:alnum:]_]\+\)/\4/'
>         '/^SEQCOUNT_LOCKTYPE(\([^,]*\),[[:space:]]*\([^,]*\),[^)]*)/seqcount_\2_t/'
>         '/^SEQCOUNT_LOCKTYPE(\([^,]*\),[[:space:]]*\([^,]*\),[^)]*)/seqcount_\2_init/'
>  )
> --
> 2.17.1
>
>

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