From: Steve Capper <steve.capper@linaro.org>
To: Catalin Marinas <catalin.marinas@arm.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-mm@kvack.org" <linux-mm@kvack.org>,
"linux-arch@vger.kernel.org" <linux-arch@vger.kernel.org>,
"peterz@infradead.org" <peterz@infradead.org>,
"gary.robertson@linaro.org" <gary.robertson@linaro.org>,
"anders.roxell@linaro.org" <anders.roxell@linaro.org>,
"akpm@linux-foundation.org" <akpm@linux-foundation.org>
Subject: Re: [RFC PATCH V4 3/7] arm: mm: Enable HAVE_RCU_TABLE_FREE logic
Date: Thu, 1 May 2014 12:44:08 +0100 [thread overview]
Message-ID: <20140501114408.GA4501@linaro.org> (raw)
In-Reply-To: <20140501111120.GF22316@arm.com>
On Thu, May 01, 2014 at 12:11:21PM +0100, Catalin Marinas wrote:
> On Fri, Mar 28, 2014 at 03:01:28PM +0000, Steve Capper wrote:
> > diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> > index 1594945..7d5340d 100644
> > --- a/arch/arm/Kconfig
> > +++ b/arch/arm/Kconfig
> > @@ -58,6 +58,7 @@ config ARM
> > select HAVE_PERF_EVENTS
> > select HAVE_PERF_REGS
> > select HAVE_PERF_USER_STACK_DUMP
> > + select HAVE_RCU_TABLE_FREE if SMP
>
> You select this if (SMP && CPU_V7). On ARMv6 SMP systems we use IPI for
> TLB maintenance already.
Thanks, I'll add that to the next series.
--
Steve
>
> --
> Catalin
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
WARNING: multiple messages have this Message-ID (diff)
From: Steve Capper <steve.capper@linaro.org>
To: Catalin Marinas <catalin.marinas@arm.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-mm@kvack.org" <linux-mm@kvack.org>,
"linux-arch@vger.kernel.org" <linux-arch@vger.kernel.org>,
"peterz@infradead.org" <peterz@infradead.org>,
"gary.robertson@linaro.org" <gary.robertson@linaro.org>,
"anders.roxell@linaro.org" <anders.roxell@linaro.org>,
"akpm@linux-foundation.org" <akpm@linux-foundation.org>
Subject: Re: [RFC PATCH V4 3/7] arm: mm: Enable HAVE_RCU_TABLE_FREE logic
Date: Thu, 1 May 2014 12:44:08 +0100 [thread overview]
Message-ID: <20140501114408.GA4501@linaro.org> (raw)
Message-ID: <20140501114408.ypHj0MmiVy8QNbvIO_7T7Xgn2Ss-Fh6xp9P4PITh-eg@z> (raw)
In-Reply-To: <20140501111120.GF22316@arm.com>
On Thu, May 01, 2014 at 12:11:21PM +0100, Catalin Marinas wrote:
> On Fri, Mar 28, 2014 at 03:01:28PM +0000, Steve Capper wrote:
> > diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> > index 1594945..7d5340d 100644
> > --- a/arch/arm/Kconfig
> > +++ b/arch/arm/Kconfig
> > @@ -58,6 +58,7 @@ config ARM
> > select HAVE_PERF_EVENTS
> > select HAVE_PERF_REGS
> > select HAVE_PERF_USER_STACK_DUMP
> > + select HAVE_RCU_TABLE_FREE if SMP
>
> You select this if (SMP && CPU_V7). On ARMv6 SMP systems we use IPI for
> TLB maintenance already.
Thanks, I'll add that to the next series.
--
Steve
>
> --
> Catalin
next prev parent reply other threads:[~2014-05-01 11:44 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-28 15:01 [RFC PATCH V4 0/7] get_user_pages_fast for ARM and ARM64 Steve Capper
2014-03-28 15:01 ` Steve Capper
2014-03-28 15:01 ` [RFC PATCH V4 1/7] mm: Introduce a general RCU get_user_pages_fast Steve Capper
2014-03-28 15:01 ` [RFC PATCH V4 2/7] arm: mm: Introduce special ptes for LPAE Steve Capper
2014-03-28 15:01 ` [RFC PATCH V4 3/7] arm: mm: Enable HAVE_RCU_TABLE_FREE logic Steve Capper
2014-05-01 11:11 ` Catalin Marinas
2014-05-01 11:44 ` Steve Capper [this message]
2014-05-01 11:44 ` Steve Capper
2014-03-28 15:01 ` [RFC PATCH V4 4/7] arm: mm: Enable RCU fast_gup Steve Capper
2014-03-28 15:01 ` [RFC PATCH V4 5/7] arm64: Convert asm/tlb.h to generic mmu_gather Steve Capper
2014-03-28 15:01 ` [RFC PATCH V4 6/7] arm64: mm: Enable HAVE_RCU_TABLE_FREE logic Steve Capper
2014-04-30 15:20 ` Catalin Marinas
2014-04-30 15:33 ` Catalin Marinas
2014-04-30 15:33 ` Catalin Marinas
2014-04-30 15:38 ` Steve Capper
2014-04-30 15:38 ` Steve Capper
2014-04-30 17:21 ` Catalin Marinas
2014-04-30 17:21 ` Catalin Marinas
2014-05-01 7:34 ` Steve Capper
2014-05-01 7:34 ` Steve Capper
2014-05-01 9:52 ` Catalin Marinas
2014-05-01 9:57 ` Peter Zijlstra
2014-05-01 9:57 ` Peter Zijlstra
2014-05-01 10:04 ` Catalin Marinas
2014-05-01 10:04 ` Catalin Marinas
2014-05-01 10:15 ` Steve Capper
2014-03-28 15:01 ` [RFC PATCH V4 7/7] arm64: mm: Enable RCU fast_gup Steve Capper
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20140501114408.GA4501@linaro.org \
--to=steve.capper@linaro.org \
--cc=akpm@linux-foundation.org \
--cc=anders.roxell@linaro.org \
--cc=catalin.marinas@arm.com \
--cc=gary.robertson@linaro.org \
--cc=linux-arch@vger.kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-mm@kvack.org \
--cc=linux@arm.linux.org.uk \
--cc=peterz@infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).