From: Chris Metcalf <cmetcalf@tilera.com>
To: "David S. Miller" <davem@davemloft.net>
Cc: <libc-ports@sourceware.org>
Subject: Re: [PATCH] tile: improve detection for missing -mcmodel=large support
Date: Tue, 28 May 2013 18:37:00 -0000 [thread overview]
Message-ID: <51A4F980.3040309@tilera.com> (raw)
In-Reply-To: <519ECAF3.1040700@tilera.com>
I pushed this to master. "Ping" for David Miller to comment on 2.17 acceptability. Thanks!
On 5/23/2013 10:05 PM, Chris Metcalf wrote:
> (Adding David explicitly to Cc.)
>
> On 5/23/2013 6:17 PM, Carlos O'Donell wrote:
>> On 05/23/2013 03:20 PM, Chris Metcalf wrote:
>>> The existing test avoided passing -mcmodel=large if the compiler didn't
>>> support it. However, we need to test not just the compiler support, but
>>> also the toolchain (as and ld) support, so make the test more complete.
>>> In addition, we have to avoid using the hwN_plt() assembly operators if
>>> that support is missing, so guard the uses with #ifdef NO_PLT_PCREL.
>>>
>>> This allows us to properly build glibc with the current community
>>> binutils, which doesn't yet have the PC-relative PLT operator support.
>>> The -mcmodel=large support is in gcc 4.8, but the toolchain support
>>> won't be present in the community until binutils 2.24.
>>> ---
>>> This change should also be applied on the 2.17 release branch for
>>> when we release a 2.17.1.
>> No, just backport it immediately after checkin to master. The 2.17
>> branch *is* 2.17.1 in development and when we get enough changes in
>> that branch we cut it and make a 2.17.1 release.
>>
>> You need release manager ACK though, which is David Miller. We normally
>> handle backports via bugzilla bugs with keyword glibc_2.17, but it
>> can be less formal if you just CC David and ask for ACK.
> David, is it OK if I backport this to the 2.17 branch after I commit? Do you want a BZ# to track it?
>
--
Chris Metcalf, Tilera Corp.
http://www.tilera.com
next prev parent reply other threads:[~2013-05-28 18:37 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-05-23 19:25 Chris Metcalf
2013-05-23 22:17 ` Carlos O'Donell
2013-05-24 2:05 ` Chris Metcalf
2013-05-28 18:37 ` Chris Metcalf [this message]
2013-06-06 20:10 ` Chris Metcalf
2013-06-06 21:36 ` David Miller
2013-06-09 15:22 ` Chris Metcalf
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=51A4F980.3040309@tilera.com \
--to=cmetcalf@tilera.com \
--cc=davem@davemloft.net \
--cc=libc-ports@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).