Re: [PATCH 7.2 v10 0/2] skip redundant sync IPIs when TLB flush sent them

[Roman Gushchin]

Peter Zijlstra <peterz@xxxxxxxxxxxxx> writes:

> On Fri, Apr 24, 2026 at 09:22:51PM +0200, Peter Zijlstra wrote:
>
>>     mdir = mailbox.Maildir('~/Maildir/');
>> 
>>     for i, r in enumerate(reviews):
>>         inline = r.get('inline_review', '') or ''
>>         if not inline:
>>             continue
>> 
>>         author_name = r.get('author_name', 'Sashiko Reviewer')
>>         author_email = r.get('author_email', 'noreply@xxxxxxxxxxx')
>> 
>>         msgid = msgids[r['patch_id']]
>>         subject = subjects[r['patch_id']]
>> 
>>         # Create the Email object
>>         msg = EmailMessage()
>>         msg['Subject'] = f"Re: {subject}"
>>         msg['From'] = f"{author_name} <{author_email}>"
>>         msg['To'] = "peterz@xxxxxxxxxxxxx"
>>         msg['Date'] = formatdate(localtime=True)
>> 
>>         # The critical threading headers
>>         msg['Message-ID'] = f"<review-{i}-{msgid}>"
>>         msg['References'] = f"<{msgid}>"
>>         msg['In-Reply-To'] = f"<{msgid}>"
>> 
>>         msg.set_content(inline)
>> 
>>         mdir.add(msg)
>> 
>>     mdir.flush()
>
> So Ideally I would have 'Reply-to' header set to the original sender and
> added 'Cc' like the original email. However, AFAICT the JSON does not
> contain this information, and while I could use the mdir object to find
> the original message in my Inbox, this is incredibly slow.
>
> I have a TODO to use python-notmuch to do this, but haven't gotten
> around to doing this yet.
>
> With that 'fixed' I could actually reply to these messages and it would
> all 'just' work. For now I copy/paste when needed.

I can add an api to return a json with the review and all
meta-information by the original msgid, will it be useful?