From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Roland McGrath <roland@redhat.com>
Cc: linuxppc-dev@ozlabs.org, Nathan Lynch <ntl@pobox.com>,
linux-kernel@vger.kernel.org, Paul Mackerras <paulus@samba.org>
Subject: Re: [PATCH 1/2] elf loader support for auxvec base platform string
Date: Mon, 07 Jul 2008 16:23:20 +1000 [thread overview]
Message-ID: <1215411800.8970.91.camel@pasglop> (raw)
In-Reply-To: <20080707061811.19989154246@magilla.localdomain>
On Sun, 2008-07-06 at 23:18 -0700, Roland McGrath wrote:
>
> Using dsocaps gives you the best of both worlds. You can freely choose
> new strings in the kernel without the ld.so code having to know about
> them (which is not true of AT_PLATFORM, but may be true of how you are
> thinking about "strings are nice"). You do have to map all the
> possibilities that a single kernel build can produce into distinct bits.
> But, there are 32 unallocated bits to start with. Moreover, those bit
> assignments are not part of any permanent ABI like bits in AT_* values.
> They just have to match up between this kernel build and the ld.conf.d
> file installed along with it--kernel hackers and kernel packagers have
> to coordinate, not kernel hackers and userland hackers.
I'm not sure... if ld.conf.d isn't parse of the kernel source tree then
it -will- end in tears...
Ben.
WARNING: multiple messages have this Message-ID (diff)
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Roland McGrath <roland@redhat.com>
Cc: Nathan Lynch <ntl@pobox.com>,
linuxppc-dev@ozlabs.org, Paul Mackerras <paulus@samba.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/2] elf loader support for auxvec base platform string
Date: Mon, 07 Jul 2008 16:23:20 +1000 [thread overview]
Message-ID: <1215411800.8970.91.camel@pasglop> (raw)
In-Reply-To: <20080707061811.19989154246@magilla.localdomain>
On Sun, 2008-07-06 at 23:18 -0700, Roland McGrath wrote:
>
> Using dsocaps gives you the best of both worlds. You can freely choose
> new strings in the kernel without the ld.so code having to know about
> them (which is not true of AT_PLATFORM, but may be true of how you are
> thinking about "strings are nice"). You do have to map all the
> possibilities that a single kernel build can produce into distinct bits.
> But, there are 32 unallocated bits to start with. Moreover, those bit
> assignments are not part of any permanent ABI like bits in AT_* values.
> They just have to match up between this kernel build and the ld.conf.d
> file installed along with it--kernel hackers and kernel packagers have
> to coordinate, not kernel hackers and userland hackers.
I'm not sure... if ld.conf.d isn't parse of the kernel source tree then
it -will- end in tears...
Ben.
next prev parent reply other threads:[~2008-07-07 6:23 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-03 23:41 [PATCH 1/2] elf loader support for auxvec base platform string Nathan Lynch
2008-07-03 23:41 ` Nathan Lynch
2008-07-04 2:19 ` Roland McGrath
2008-07-04 2:19 ` Roland McGrath
2008-07-07 5:48 ` Benjamin Herrenschmidt
2008-07-07 5:48 ` Benjamin Herrenschmidt
2008-07-07 6:18 ` Roland McGrath
2008-07-07 6:18 ` Roland McGrath
2008-07-07 6:23 ` Benjamin Herrenschmidt [this message]
2008-07-07 6:23 ` Benjamin Herrenschmidt
2008-07-07 6:35 ` Roland McGrath
2008-07-07 6:35 ` Roland McGrath
2008-07-07 6:48 ` Benjamin Herrenschmidt
2008-07-07 6:48 ` Benjamin Herrenschmidt
2008-07-07 7:49 ` Andreas Schwab
2008-07-07 7:49 ` Andreas Schwab
2008-07-07 9:31 ` Roland McGrath
2008-07-07 9:31 ` Roland McGrath
2008-07-07 10:01 ` Andreas Schwab
2008-07-07 10:01 ` Andreas Schwab
2008-07-07 22:56 ` Benjamin Herrenschmidt
2008-07-07 22:56 ` Benjamin Herrenschmidt
2008-07-08 0:31 ` Roland McGrath
2008-07-08 0:31 ` Roland McGrath
2008-07-08 0:48 ` Benjamin Herrenschmidt
2008-07-08 0:48 ` Benjamin Herrenschmidt
2008-07-08 18:35 ` Steven Munroe
2008-07-08 18:35 ` Steven Munroe
2008-07-07 16:16 ` Nathan Lynch
2008-07-07 16:16 ` Nathan Lynch
2008-07-07 22:17 ` Nathan Lynch
2008-07-07 22:17 ` Nathan Lynch
2008-07-07 23:00 ` Benjamin Herrenschmidt
2008-07-07 23:00 ` Benjamin Herrenschmidt
2008-07-04 2:35 ` Mikael Pettersson
2008-07-04 2:35 ` Mikael Pettersson
2008-07-07 15:55 ` Nathan Lynch
2008-07-07 15:55 ` Nathan Lynch
-- strict thread matches above, loose matches on Subject: below --
2008-07-07 15:14 Steven Munroe
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