From: Santosh Shilimkar <santosh.shilimkar@ti.com>
To: Tony Lindgren <tony@atomide.com>
Cc: Santosh Shilimkar <santosh.shilimkar@ti.com>,
linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] ARM: OMAP5: Enable Cortex A15 errata 798181
Date: Wed, 3 Jul 2013 09:55:21 -0400 [thread overview]
Message-ID: <51D42D49.700@ti.com> (raw)
In-Reply-To: <1371671532-27071-1-git-send-email-santosh.shilimkar@ti.com>
Ping..
On Wednesday 19 June 2013 03:52 PM, Santosh Shilimkar wrote:
> ARM errata 798181 is applicable for OMAP5 based devices. So enable
> the same in the build. Errata extract and workaround information
> is as below.
>
> On Cortex-A15 (r0p0..r3p2) the TLBI*IS/DSB operations are not
> adequately shooting down all use of the old entries. The
> ARM_ERRATA_798181 option enables the Linux kernel workaround
> for this erratum which sends an IPI to the CPUs that are running
> the same ASID as the one being invalidated.
>
> Cc: Tony Lindgren <tony@atomide.com>
>
> Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
> ---
> arch/arm/mach-omap2/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
> index f49cd51..fbd2b9f 100644
> --- a/arch/arm/mach-omap2/Kconfig
> +++ b/arch/arm/mach-omap2/Kconfig
> @@ -112,6 +112,7 @@ config SOC_OMAP5
> select HAVE_SMP
> select COMMON_CLK
> select HAVE_ARM_ARCH_TIMER
> + select ARM_ERRATA_798181
>
> comment "OMAP Core Type"
> depends on ARCH_OMAP2
>
WARNING: multiple messages have this Message-ID (diff)
From: santosh.shilimkar@ti.com (Santosh Shilimkar)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: OMAP5: Enable Cortex A15 errata 798181
Date: Wed, 3 Jul 2013 09:55:21 -0400 [thread overview]
Message-ID: <51D42D49.700@ti.com> (raw)
In-Reply-To: <1371671532-27071-1-git-send-email-santosh.shilimkar@ti.com>
Ping..
On Wednesday 19 June 2013 03:52 PM, Santosh Shilimkar wrote:
> ARM errata 798181 is applicable for OMAP5 based devices. So enable
> the same in the build. Errata extract and workaround information
> is as below.
>
> On Cortex-A15 (r0p0..r3p2) the TLBI*IS/DSB operations are not
> adequately shooting down all use of the old entries. The
> ARM_ERRATA_798181 option enables the Linux kernel workaround
> for this erratum which sends an IPI to the CPUs that are running
> the same ASID as the one being invalidated.
>
> Cc: Tony Lindgren <tony@atomide.com>
>
> Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
> ---
> arch/arm/mach-omap2/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
> index f49cd51..fbd2b9f 100644
> --- a/arch/arm/mach-omap2/Kconfig
> +++ b/arch/arm/mach-omap2/Kconfig
> @@ -112,6 +112,7 @@ config SOC_OMAP5
> select HAVE_SMP
> select COMMON_CLK
> select HAVE_ARM_ARCH_TIMER
> + select ARM_ERRATA_798181
>
> comment "OMAP Core Type"
> depends on ARCH_OMAP2
>
next prev parent reply other threads:[~2013-07-03 13:55 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-19 19:52 [PATCH] ARM: OMAP5: Enable Cortex A15 errata 798181 Santosh Shilimkar
2013-06-19 19:52 ` Santosh Shilimkar
2013-07-03 13:55 ` Santosh Shilimkar [this message]
2013-07-03 13:55 ` Santosh Shilimkar
2013-07-04 11:50 ` Tony Lindgren
2013-07-04 11:50 ` Tony Lindgren
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=51D42D49.700@ti.com \
--to=santosh.shilimkar@ti.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-omap@vger.kernel.org \
--cc=tony@atomide.com \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.