From: catalin.marinas@arm.com (Catalin Marinas)
To: linux-arm-kernel@lists.infradead.org
Subject: [Q] L1_CACHE_BYTES on flush_pfn_alias function.
Date: Fri, 24 Jan 2014 15:43:21 +0000 [thread overview]
Message-ID: <20140124154321.GI19052@arm.com> (raw)
In-Reply-To: <00d501cf136a$24ec49c0$6ec4dd40$@samsung.com>
On Fri, Jan 17, 2014 at 09:54:42AM +0000, ?????? wrote:
> Follow the mailing-list
> http://comments.gmane.org/gmane.linux.ports.arm.omap/31686
>
> >>Setting the L1 cache line size larger than it actually is should be safe.
>
> the written code expected as L1_CACHE_BYTES should be real cache line size
> has bug.
> It looks like that flush_pfn_alias function should be fixed.
Did you actually notice any problem with flushing some more bytes? It's
a clean+invalidate rather than invalidate, I don't see any problem.
--
Catalin
WARNING: multiple messages have this Message-ID (diff)
From: Catalin Marinas <catalin.marinas@arm.com>
To: ������ <js07.lee@samsung.com>
Cc: "linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux@arm.linux.org.uk" <linux@arm.linux.org.uk>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [Q] L1_CACHE_BYTES on flush_pfn_alias function.
Date: Fri, 24 Jan 2014 15:43:21 +0000 [thread overview]
Message-ID: <20140124154321.GI19052@arm.com> (raw)
In-Reply-To: <00d501cf136a$24ec49c0$6ec4dd40$@samsung.com>
On Fri, Jan 17, 2014 at 09:54:42AM +0000, ������ wrote:
> Follow the mailing-list
> http://comments.gmane.org/gmane.linux.ports.arm.omap/31686
>
> >>Setting the L1 cache line size larger than it actually is should be safe.
>
> the written code expected as L1_CACHE_BYTES should be real cache line size
> has bug.
> It looks like that flush_pfn_alias function should be fixed.
Did you actually notice any problem with flushing some more bytes? It's
a clean+invalidate rather than invalidate, I don't see any problem.
--
Catalin
next prev parent reply other threads:[~2014-01-24 15:43 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-17 9:54 [Q] L1_CACHE_BYTES on flush_pfn_alias function 이정승
2014-01-17 9:54 ` 이정승
2014-01-24 15:43 ` Catalin Marinas [this message]
2014-01-24 15:43 ` Catalin Marinas
2014-01-26 5:13 ` Jungseung Lee
2014-01-26 5:13 ` Jungseung Lee
2014-01-27 16:43 ` Catalin Marinas
2014-01-27 16:43 ` Catalin Marinas
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