From: Ralf Baechle <ralf@linux-mips.org>
To: Jayachandran C <jchandra@broadcom.com>
Cc: linux-mips@linux-mips.org
Subject: Re: [PATCH 04/10] MIPS: Netlogic: Split XLP L1 i-cache among threads
Date: Tue, 15 Jan 2013 19:04:46 +0100 [thread overview]
Message-ID: <20130115180446.GA4526@linux-mips.org> (raw)
In-Reply-To: <1358179922-26663-5-git-send-email-jchandra@broadcom.com>
On Mon, Jan 14, 2013 at 09:41:56PM +0530, Jayachandran C wrote:
> Since we now use r4k cache code for Netlogic XLP, it is
> better to split L1 icache among the active threads, so that
> threads won't step on each other while flushing icache.
>
> The L1 dcache is already split among the threads in the core.
It's a bit orthogonal to your patch but you may want to look at adding
support for SYS_SUPPORTS_SCHED_SMT which scheduler support for SMT that
is tries to schedule threads in a shared cache friendly way. See
0ab7aefc4d43a6dee26c891b41ef9c7a67d2379b [[MIPS] MT: Scheduler support for
SMT].
Ralf
next prev parent reply other threads:[~2013-01-15 18:04 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-14 16:11 [PATCH 00/10] Netlogic: Fixes and updates for 3.9 Jayachandran C
2013-01-14 16:11 ` [PATCH 01/10] MIPS: Netlogic: add XLS6xx to FMN config Jayachandran C
2013-01-14 16:11 ` [PATCH 02/10] MIPS: Netlogic: Optimize EIMR/EIRR accesses in 32-bit Jayachandran C
2013-01-14 16:11 ` [PATCH 03/10] MIPS: PCI: Byteswap not needed in little-endian mode Jayachandran C
2013-01-14 17:48 ` Sergei Shtylyov
2013-01-15 6:19 ` Jayachandran C
2013-01-15 11:58 ` Sergei Shtylyov
2013-01-15 12:16 ` Florian Fainelli
2013-01-14 16:11 ` [PATCH 04/10] MIPS: Netlogic: Split XLP L1 i-cache among threads Jayachandran C
2013-01-15 18:04 ` Ralf Baechle [this message]
2013-01-14 16:11 ` [PATCH 05/10] MIPS: Netlogic: Use PIC timer as a clocksource Jayachandran C
2013-01-14 16:11 ` [PATCH 06/10] MIPS: PCI: Prevent hang on XLP reg read Jayachandran C
2013-01-14 16:11 ` [PATCH 07/10] MIPS: Netlogic: No hazards needed for XLR/XLS Jayachandran C
2013-01-14 16:12 ` [PATCH 08/10] MIPS: Netlogic: use preset loops per jiffy Jayachandran C
2013-01-14 16:12 ` [PATCH 09/10] MIPS: Netlogic: Fix for quad-XLP boot Jayachandran C
2013-01-14 16:12 ` [PATCH 10/10] MIPS: PCI: Multi-node PCI support for Netlogic XLP Jayachandran C
2013-01-15 6:20 ` Jayachandran C
2013-01-15 6:38 ` Jayachandran C
2013-01-15 6:38 ` [PATCH 03/10] MIPS: PCI: Byteswap not needed in little-endian mode Jayachandran C
2013-01-16 12:12 ` Jayachandran C
2013-01-16 12:12 ` [PATCH 10/10] MIPS: PCI: Multi-node PCI support for Netlogic XLP Jayachandran C
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