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Date: Thu, 18 Feb 2010 14:45:40 +0100 From: Luca Barbieri <luca@...a-barbieri.com> To: Peter Zijlstra <peterz@...radead.org> Cc: mingo@...e.hu, hpa@...or.com, akpm@...ux-foundation.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH 09/10] x86-32: use SSE for atomic64_read/set if available > Depends on where on the stack you're going to save things, I through > you'd take space in the thread_info struct, but I guess if you're simply > going to push the reg onto the stack it should be fine. Yes, this seems the best solution. With frame pointers enabled, it's just a single andl $-8, %esp to align the stack (otherwise, frame pointers are forced by gcc). -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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