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From: Mark Salter <msalter-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
To: Ard Biesheuvel <ard.biesheuvel-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
Cc: matt.fleming-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org,
	x86-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
	catalin.marinas-5wv7dgnIgG8@public.gmane.org,
	linux-efi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
	hpa-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org,
	leif.lindholm-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org,
	roy.franz-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org,
	olivier.martin-5wv7dgnIgG8@public.gmane.org
Subject: Re: [PATCH v2 0/2] efi: preserve NEON registers on UEFI services calls
Date: Thu, 26 Jun 2014 09:58:07 -0400	[thread overview]
Message-ID: <1403791087.755.120.camel@deneb.redhat.com> (raw)
In-Reply-To: <1403777346-28629-1-git-send-email-ard.biesheuvel-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>

On Thu, 2014-06-26 at 12:09 +0200, Ard Biesheuvel wrote:
> The current UEFI implementation for arm64 fails to preserve/restore the contents
> of the NEON register file,

Does the current implementation actually use NEON registers?
I know there are some at least, which build with -mgeneral-regs-only
to keep gcc from using NEON registers.

Not that that means we don't need this. Just curious.

  parent reply	other threads:[~2014-06-26 13:58 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-06-26 10:09 [PATCH v2 0/2] efi: preserve NEON registers on UEFI services calls Ard Biesheuvel
     [not found] ` <1403777346-28629-1-git-send-email-ard.biesheuvel-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2014-06-26 10:09   ` [PATCH v2 1/2] efi/x86: move UEFI Runtime Services wrappers to generic code Ard Biesheuvel
     [not found]     ` <1403777346-28629-2-git-send-email-ard.biesheuvel-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2014-07-01 13:30       ` Matt Fleming
     [not found]         ` <20140701133033.GD7539-HNK1S37rvNbeXh+fF434Mdi2O/JbrIOy@public.gmane.org>
2014-07-01 13:35           ` Ard Biesheuvel
     [not found]             ` <CAKv+Gu_hyXaFEydpRQCB0vP260oJpFftytN_Ex++shMdpFpafg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-07-01 13:48               ` Matt Fleming
2014-06-26 10:09   ` [PATCH v2 2/2] efi/arm64: preserve FP/SIMD registers on UEFI runtime services calls Ard Biesheuvel
     [not found]     ` <1403777346-28629-3-git-send-email-ard.biesheuvel-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2014-07-04 15:45       ` Catalin Marinas
     [not found]         ` <20140704154522.GJ16404-5wv7dgnIgG8@public.gmane.org>
2014-07-04 15:51           ` Ard Biesheuvel
2014-07-04 16:59             ` Catalin Marinas
     [not found]               ` <20140704165955.GL16404-5wv7dgnIgG8@public.gmane.org>
2014-07-04 17:15                 ` Ard Biesheuvel
2014-06-26 13:58   ` Mark Salter [this message]
     [not found]     ` <1403791087.755.120.camel-PDpCo7skNiwAicBL8TP8PQ@public.gmane.org>
2014-06-26 14:22       ` [PATCH v2 0/2] efi: preserve NEON registers on UEFI " Ard Biesheuvel
2014-07-01 13:26   ` Matt Fleming
     [not found]     ` <20140701132638.GC7539-HNK1S37rvNbeXh+fF434Mdi2O/JbrIOy@public.gmane.org>
2014-07-01 13:46       ` Ard Biesheuvel
2014-07-08 15:33         ` Olivier Martin

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