From: Catalin Marinas <catalin.marinas@arm.com>
To: Steve Capper <steve.capper@linaro.org>
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 12:11:21 +0100 [thread overview]
Message-ID: <20140501111120.GF22316@arm.com> (raw)
In-Reply-To: <1396018892-6773-4-git-send-email-steve.capper@linaro.org>
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.
--
Catalin
WARNING: multiple messages have this Message-ID (diff)
From: Catalin Marinas <catalin.marinas@arm.com>
To: Steve Capper <steve.capper@linaro.org>
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 12:11:21 +0100 [thread overview]
Message-ID: <20140501111120.GF22316@arm.com> (raw)
In-Reply-To: <1396018892-6773-4-git-send-email-steve.capper@linaro.org>
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.
--
Catalin
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WARNING: multiple messages have this Message-ID (diff)
From: catalin.marinas@arm.com (Catalin Marinas)
To: linux-arm-kernel@lists.infradead.org
Subject: [RFC PATCH V4 3/7] arm: mm: Enable HAVE_RCU_TABLE_FREE logic
Date: Thu, 1 May 2014 12:11:21 +0100 [thread overview]
Message-ID: <20140501111120.GF22316@arm.com> (raw)
In-Reply-To: <1396018892-6773-4-git-send-email-steve.capper@linaro.org>
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.
--
Catalin
next prev parent reply other threads:[~2014-05-01 11:12 UTC|newest]
Thread overview: 57+ 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 ` 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 ` Steve Capper
2014-03-28 15:01 ` 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 ` Steve Capper
2014-03-28 15:01 ` Steve Capper
2014-03-28 15:01 ` [RFC PATCH V4 3/7] arm: mm: Enable HAVE_RCU_TABLE_FREE logic Steve Capper
2014-03-28 15:01 ` Steve Capper
2014-03-28 15:01 ` Steve Capper
2014-05-01 11:11 ` Catalin Marinas [this message]
2014-05-01 11:11 ` Catalin Marinas
2014-05-01 11:11 ` Catalin Marinas
2014-05-01 11:44 ` Steve Capper
2014-05-01 11:44 ` Steve Capper
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 ` Steve Capper
2014-03-28 15:01 ` 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 ` Steve Capper
2014-03-28 15:01 ` Steve Capper
2014-03-28 15:01 ` [RFC PATCH V4 6/7] arm64: mm: Enable HAVE_RCU_TABLE_FREE logic Steve Capper
2014-03-28 15:01 ` Steve Capper
2014-03-28 15:01 ` Steve Capper
2014-04-30 15:20 ` Catalin Marinas
2014-04-30 15:20 ` Catalin Marinas
2014-04-30 15:20 ` Catalin Marinas
2014-04-30 15:33 ` Catalin Marinas
2014-04-30 15:33 ` Catalin Marinas
2014-04-30 15:33 ` Catalin Marinas
2014-04-30 15:38 ` Steve Capper
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
2014-04-30 17:21 ` Catalin Marinas
2014-05-01 7:34 ` Steve Capper
2014-05-01 7:34 ` Steve Capper
2014-05-01 7:34 ` Steve Capper
2014-05-01 9:52 ` Catalin Marinas
2014-05-01 9:52 ` Catalin Marinas
2014-05-01 9:52 ` Catalin Marinas
2014-05-01 9:57 ` Peter Zijlstra
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 10:04 ` Catalin Marinas
2014-05-01 10:15 ` Steve Capper
2014-05-01 10:15 ` Steve Capper
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
2014-03-28 15:01 ` Steve Capper
2014-03-28 15:01 ` Steve Capper
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