From: "H. Peter Anvin" <hpa@zytor.com>
To: Albert Cahalan <acahalan@gmail.com>
Cc: Andi Kleen <ak@suse.de>,
linux-kernel@vger.kernel.org, Andrew Morton <akpm@osdl.org>,
Linus Torvalds <torvalds@osdl.org>
Subject: Re: [PATCH] i386/x86_64 signal handler arg fixes
Date: Thu, 14 Sep 2006 09:23:56 -0700 [thread overview]
Message-ID: <4509821C.2050502@zytor.com> (raw)
In-Reply-To: <787b0d920609140901l46ce6cd3l400c33e74a67b8db@mail.gmail.com>
Albert Cahalan wrote:
>
>> > Currently you remap signals. Whatever you do this for
>> > regparm(0) should also be done for regparm(3).
>>
>> Not sure I parse you here. You're asking how to fix the regparm(3)
>> case?
>
> No. I'd thought that the two cases should match.
> The regparm(3) case should remap signals if and only if
> the regparm(0) case remaps signals. Perhaps this
> is not correct if the remapping is not needed for
> native Linux apps; I doubt iBCS stuff would ever be
> needing regparm(3) support.
>
The two should definitely match, though. Otherwise, life will be confusing.
> Since you plan to delete the remapping cruft from
> the regparm(0) case, then obviously it should not
> be added to the regparm(3) case.
Indeed.
-hpa
prev parent reply other threads:[~2006-09-14 16:24 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-09-14 8:34 [PATCH] i386/x86_64 signal handler arg fixes Albert Cahalan
2006-09-14 10:11 ` Andi Kleen
2006-09-14 15:01 ` Albert Cahalan
2006-09-14 13:40 ` Andi Kleen
2006-09-14 16:01 ` Albert Cahalan
2006-09-14 16:23 ` H. Peter Anvin [this message]
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