From: Anton Blanchard <anton@samba.org>
To: Paul Mackerras <paulus@samba.org>
Cc: mikey@neuling.org, linuxppc-dev@lists.ozlabs.org, amodra@gmail.com
Subject: Re: [PATCH] powerpc: Use 32 bit loads and stores when operating on condition register values
Date: Tue, 15 Oct 2013 14:55:43 +1100 [thread overview]
Message-ID: <20131015145543.736684c3@kryten> (raw)
In-Reply-To: <20131015034206.GB17233@drongo>
Hi Paul,
> Does this make any practical difference or fix any bugs, or is this
> just for aesthetics?
There is talk of the other 32 bits of that word being used for a
stack canary in a future ABI revision. So right now it is just
cosmetic, but it could be important in the future.
I guess it could be an issue for kgdb since the CR will be in
the wrong spot on BE.
Anton
prev parent reply other threads:[~2013-10-15 3:55 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-15 3:36 [PATCH] powerpc: Use 32 bit loads and stores when operating on condition register values Anton Blanchard
2013-10-15 3:42 ` Paul Mackerras
2013-10-15 3:55 ` Anton Blanchard [this message]
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