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From: Richard Henderson <rth@twiddle.net>
To: Artyom Tarasenko <atar4qemu@gmail.com>,
	Dennis Luehring <dl.soluz@gmx.net>
Cc: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>,
	qemu-devel <qemu-devel@nongnu.org>,
	Aurelien Jarno <aurelien@aurel32.net>
Subject: Re: [Qemu-devel] [PATCH] target-sparc: Store mmu index in TB flags
Date: Tue, 25 Aug 2015 07:25:18 -0700	[thread overview]
Message-ID: <55DC7ACE.702@twiddle.net> (raw)
In-Reply-To: <CACXAS8AX6eWa61qT5RjAbFTW6w0YeJQtaMRSwvMu7X2Md+8yuw@mail.gmail.com>

On 08/24/2015 11:44 PM, Artyom Tarasenko wrote:
> This is very surprising: the patch should have no effect on a sun4u machine.

Er, no, it should.  The primary vector by which I expect improvement is via not 
encoding dmmu.mmu_primary_context into the TB flags.  I.e. ASI_DMMU, which 
sun4u certainly uses.

The fact that the patch _also_ fixes a sun4v problem is secondary.


r~

  parent reply	other threads:[~2015-08-25 14:25 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-08-25  4:19 [Qemu-devel] [PATCH] target-sparc: Store mmu index in TB flags Richard Henderson
2015-08-25  5:45 ` Dennis Luehring
2015-08-25  6:44   ` Artyom Tarasenko
2015-08-25  7:46     ` Dennis Luehring
2015-08-25 14:25     ` Richard Henderson [this message]
2015-08-25 14:37       ` Dennis Luehring
2015-08-25 18:09         ` Richard Henderson
2015-08-25 19:03           ` Dennis Luehring
2015-08-25 19:17           ` Dennis Luehring
2015-08-25 16:53       ` Artyom Tarasenko
2015-08-25  6:35 ` Artyom Tarasenko

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