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From: James Hogan <jhogan@kernel.org>
To: Matt Redfearn <matt.redfearn@mips.com>
Cc: Ralf Baechle <ralf@linux-mips.org>,
	linux-mips@linux-mips.org, stable@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/2] MIPS: memset.S: EVA & fault support for small_memset
Date: Mon, 16 Apr 2018 21:22:34 +0100	[thread overview]
Message-ID: <20180416202234.GA23881@saruman> (raw)
In-Reply-To: <1522315704-31641-2-git-send-email-matt.redfearn@mips.com>

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On Thu, Mar 29, 2018 at 10:28:23AM +0100, Matt Redfearn wrote:
> @@ -260,6 +260,11 @@
>  	jr		ra
>  	andi		v1, a2, STORMASK

This patch looks good, well spotted!

But whats that v1 write about? Any ideas? Seems to go back to the git
epoch, and $3 isn't in the clobber lists when __bzero* is called.

Cheers
James

>  
> +.Lsmall_fixup\@:
> +	PTR_SUBU	a2, t1, a0
> +	jr		ra
> +	 PTR_ADDIU	a2, 1
> +

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  reply	other threads:[~2018-04-16 20:22 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-03-29  9:28 [PATCH 0/2] MIPS: memset.S: Fix 2 issues with __clear_user Matt Redfearn
2018-03-29  9:28 ` [PATCH 1/2] MIPS: memset.S: EVA & fault support for small_memset Matt Redfearn
2018-04-16 20:22   ` James Hogan [this message]
2018-04-17 13:20     ` Matt Redfearn
2018-05-14 22:56     ` Maciej W. Rozycki
2018-03-29  9:28 ` [PATCH 2/2] MIPS: memset.S: Fix return of __clear_user from Lpartial_fixup Matt Redfearn
2018-04-16 22:13   ` James Hogan
2018-04-17 13:21     ` Matt Redfearn
2018-04-17 13:59     ` [PATCH v2] " Matt Redfearn
2018-04-17 14:52       ` [PATCH v3] " Matt Redfearn
2018-04-17 15:43         ` James Hogan

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