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~
next prev 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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