From: Florian Weimer <fw@deneb.enyo.de>
To: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Cc: libc-alpha@sourceware.org
Subject: Re: [PATCH 1/4] Add INTERNAL_SYSCALL_CALL
Date: Fri, 23 Sep 2016 20:39:00 -0000 [thread overview]
Message-ID: <87ponu9wqr.fsf@mid.deneb.enyo.de> (raw)
In-Reply-To: <65d79118-50d0-8732-38d1-30d2bb013036@linaro.org> (Adhemerval Zanella's message of "Fri, 23 Sep 2016 11:16:00 -0300")
* Adhemerval Zanella:
> On 22/09/2016 17:34, Florian Weimer wrote:
>> * Adhemerval Zanella:
>>
>>> We can, at least for x86_64 for instance where it uses another indirection
>>> for INTERNAL_SYSCALL. However, something similar fails for i386, where
>>> macro substitution for INTERNAL_SYSCALL will try string concatenation and
>>> thus mess with intended behaviour. Also, _SYSCALL_NARGS macro would be
>>> required to be different to take in consideration the 'err' argument
>>> required for INTERNAL syscall (something I noted I coded wrong).
>>>
>>> I think calling the {INLINE,INTERNAL}_SYSCALL directly would be the safer
>>> and agnostic approach to avoid issues on how they are actually implemented
>>> by each port.
>>
>> Okay, it looks like this is the better way for now.
>>
>>> I tested the following patch with a build for practically all current
>>> supported ports (aarch64, alpha, armeabi, armeaihf, hppa, ia64, i386, m68k,
>>> microblaze, mips{32,64,n64}, nios2, powerpc{32,64,64le}, s390{-32,-64}, sh4,
>>> sparc{64}, tile{pro,x64}, x86_64, and x32) and saw no build issues. I also
>>> checked on x86_64 and i386. To actually check INTERNAL_SYSCALL_CALL macro
>>> work I changed sysdeps/unix/sysv/linux/pthread_setaffinity.c to use it.
>>
>> Did you see object code changes from that?
>
> I haven't checked all of the, but at least x86_64, i386, aarch64, and
> powerpc64le
Great, thanks.
> do not change. I presume it is ok to push upstream, correct?
I can't really tell you that the patch is totally unproblematic, but
all my concerns have been addressed. Please push.
next prev parent reply other threads:[~2016-09-23 20:39 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-20 15:02 [PATCH 0/4] Linux lseek and {f}truncate syscall consolidation Adhemerval Zanella
2016-09-20 15:02 ` [PATCH 3/4] Consolidate Linux ftruncate implementations Adhemerval Zanella
2016-10-11 14:41 ` Adhemerval Zanella
2016-10-25 17:54 ` Adhemerval Zanella
2016-11-09 13:44 ` Adhemerval Zanella
2016-11-09 15:33 ` Andreas Schwab
2016-11-09 17:24 ` Adhemerval Zanella
2016-09-20 15:02 ` [PATCH 1/4] Add INTERNAL_SYSCALL_CALL Adhemerval Zanella
2016-09-20 21:36 ` Florian Weimer
2016-09-21 18:00 ` Adhemerval Zanella
2016-09-21 19:22 ` Florian Weimer
2016-09-22 13:43 ` Adhemerval Zanella
2016-09-22 20:34 ` Florian Weimer
2016-09-23 14:16 ` Adhemerval Zanella
2016-09-23 20:39 ` Florian Weimer [this message]
2016-09-20 15:02 ` [PATCH v3 2/4] Consolidate lseek/lseek64/llseek implementations Adhemerval Zanella
2016-10-11 14:40 ` Adhemerval Zanella
2016-10-25 17:54 ` Adhemerval Zanella
2016-11-04 16:23 ` Adhemerval Zanella
2016-11-08 19:02 ` Steve Ellcey
2016-09-20 15:02 ` [PATCH 4/4] Consolidate Linux truncate implementations Adhemerval Zanella
2016-09-22 14:25 ` Yury Norov
2016-09-22 14:42 ` Adhemerval Zanella
2016-09-22 15:52 ` Yury Norov
2016-09-22 19:05 ` Adhemerval Zanella
2016-10-25 17:55 ` Adhemerval Zanella
2016-11-09 13:44 ` Adhemerval Zanella
-- strict thread matches above, loose matches on Subject: below --
2016-08-19 14:42 [PATCH 0/4] Linux fallocate, posix_fallocate, and posix_fadvise consolidation Adhemerval Zanella
2016-08-19 14:42 ` [PATCH 1/4] Add INTERNAL_SYSCALL_CALL Adhemerval Zanella
2016-08-22 15:28 ` Yury Norov
2016-08-23 19:16 ` Adhemerval Zanella
2016-08-23 19:20 ` Yury Norov
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=87ponu9wqr.fsf@mid.deneb.enyo.de \
--to=fw@deneb.enyo.de \
--cc=adhemerval.zanella@linaro.org \
--cc=libc-alpha@sourceware.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).