From: Santosh Shilimkar <santosh.shilimkar@ti.com>
To: Dave Martin <dave.martin@linaro.org>
Cc: linux-arm-kernel@lists.infradead.org,
Tony Lindgren <tony@atomide.com>,
linux-omap@vger.kernel.org, linaro-dev@lists.linaro.org
Subject: RE: [PATCH v2 2/3] ARM: omap4: Correct definition of do_wfi() forCONFIG_THUMB2_KERNEL
Date: Wed, 8 Dec 2010 16:15:15 +0530 [thread overview]
Message-ID: <289b46ad4e4f4a05b6636134e446010c@mail.gmail.com> (raw)
In-Reply-To: <AANLkTim-tdF83gnQ-0o0i7bp7QmQHoT_KbZMHrWTE12g@mail.gmail.com>
> -----Original Message-----
> From: Dave Martin [mailto:dave.martin@linaro.org]
> Sent: Wednesday, December 08, 2010 4:11 PM
> To: Santosh Shilimkar
> Cc: linux-arm-kernel@lists.infradead.org; Tony Lindgren; linux-
> omap@vger.kernel.org; linaro-dev@lists.linaro.org
> Subject: Re: [PATCH v2 2/3] ARM: omap4: Correct definition of do_wfi()
> forCONFIG_THUMB2_KERNEL
>
> On Wed, Dec 8, 2010 at 5:59 AM, Santosh Shilimkar
> <santosh.shilimkar@ti.com> wrote:
> > Dave,
> >
> >> -----Original Message-----
> >> From: Santosh Shilimkar [mailto:santosh.shilimkar@ti.com]
> >> Sent: Wednesday, December 08, 2010 11:27 AM
> >> To: Dave Martin
> >> Cc: linux-arm-kernel@lists.infradead.org; Tony Lindgren; linux-
> >> omap@vger.kernel.org; linaro-dev@lists.linaro.org
> >> Subject: RE: [PATCH v2 2/3] ARM: omap4: Correct definition of
do_wfi()
> >> forCONFIG_THUMB2_KERNEL
> >>
> >> > -----Original Message-----
> >> > From: Dave Martin [mailto:dave.martin@linaro.org]
> >> > Sent: Tuesday, December 07, 2010 10:21 PM
> >> > To: Santosh Shilimkar
> >> > Cc: linux-arm-kernel@lists.infradead.org; Tony Lindgren; linux-
> >> > omap@vger.kernel.org; linaro-dev@lists.linaro.org
> >> > Subject: Re: [PATCH v2 2/3] ARM: omap4: Correct definition of
> do_wfi()
> >> > forCONFIG_THUMB2_KERNEL
> >> >
> >> > Hi,
> >> >
> >> > On Tue, Dec 7, 2010 at 6:28 AM, Santosh Shilimkar
> >> > <santosh.shilimkar@ti.com> wrote:
> >> > > Dave,
> >
> > [.....]
> >>
> >> > So anything inside #ifdef CONFIG_THUMB2_KERNEL can assume
v7/Thumb-2
> >> > capable (and hence reasonably new) tools.
> >> >
> >> > I'll follow up shortly with a patch to the generic ARM Kconfig to
> make
> >> > this explicit, so that ARCH_OMAP2 and THUMB2_KERNEL can't
> accidentally
> >> > be configured together.
> >> >
> >> sure
> >
> > When you are doing the changes can you please check if you could build
> > the THUMB2 kernel with omap2plus_defconfig. I suspect the build will
> > fail.
>
> With my Kconfig patch, kconfig won't let you turn on Thumb-2 in that
> configuration:
>
>
http://lists.arm.linux.org.uk/lurker/message/20101207.165737.0897658f.en.h
> tml
>
> If you want to turn on Thumb-2, you must disable ARCH_OMAP2 first. If
> my understanding is correct, this is the right behaviour.
>
>
Ofcourse it will build with ARCH_OMAP2 disabled :) (ARMv6 dependency)
In other words, I wanted to say that "omap2plus_defconfig" can't
be used as is to build THUMB kernel binary.
Thanks for conforming.
WARNING: multiple messages have this Message-ID (diff)
From: santosh.shilimkar@ti.com (Santosh Shilimkar)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 2/3] ARM: omap4: Correct definition of do_wfi() forCONFIG_THUMB2_KERNEL
Date: Wed, 8 Dec 2010 16:15:15 +0530 [thread overview]
Message-ID: <289b46ad4e4f4a05b6636134e446010c@mail.gmail.com> (raw)
In-Reply-To: <AANLkTim-tdF83gnQ-0o0i7bp7QmQHoT_KbZMHrWTE12g@mail.gmail.com>
> -----Original Message-----
> From: Dave Martin [mailto:dave.martin at linaro.org]
> Sent: Wednesday, December 08, 2010 4:11 PM
> To: Santosh Shilimkar
> Cc: linux-arm-kernel at lists.infradead.org; Tony Lindgren; linux-
> omap at vger.kernel.org; linaro-dev at lists.linaro.org
> Subject: Re: [PATCH v2 2/3] ARM: omap4: Correct definition of do_wfi()
> forCONFIG_THUMB2_KERNEL
>
> On Wed, Dec 8, 2010 at 5:59 AM, Santosh Shilimkar
> <santosh.shilimkar@ti.com> wrote:
> > Dave,
> >
> >> -----Original Message-----
> >> From: Santosh Shilimkar [mailto:santosh.shilimkar at ti.com]
> >> Sent: Wednesday, December 08, 2010 11:27 AM
> >> To: Dave Martin
> >> Cc: linux-arm-kernel at lists.infradead.org; Tony Lindgren; linux-
> >> omap at vger.kernel.org; linaro-dev at lists.linaro.org
> >> Subject: RE: [PATCH v2 2/3] ARM: omap4: Correct definition of
do_wfi()
> >> forCONFIG_THUMB2_KERNEL
> >>
> >> > -----Original Message-----
> >> > From: Dave Martin [mailto:dave.martin at linaro.org]
> >> > Sent: Tuesday, December 07, 2010 10:21 PM
> >> > To: Santosh Shilimkar
> >> > Cc: linux-arm-kernel at lists.infradead.org; Tony Lindgren; linux-
> >> > omap at vger.kernel.org; linaro-dev at lists.linaro.org
> >> > Subject: Re: [PATCH v2 2/3] ARM: omap4: Correct definition of
> do_wfi()
> >> > forCONFIG_THUMB2_KERNEL
> >> >
> >> > Hi,
> >> >
> >> > On Tue, Dec 7, 2010 at 6:28 AM, Santosh Shilimkar
> >> > <santosh.shilimkar@ti.com> wrote:
> >> > > Dave,
> >
> > [.....]
> >>
> >> > So anything inside #ifdef CONFIG_THUMB2_KERNEL can assume
v7/Thumb-2
> >> > capable (and hence reasonably new) tools.
> >> >
> >> > I'll follow up shortly with a patch to the generic ARM Kconfig to
> make
> >> > this explicit, so that ARCH_OMAP2 and THUMB2_KERNEL can't
> accidentally
> >> > be configured together.
> >> >
> >> sure
> >
> > When you are doing the changes can you please check if you could build
> > the THUMB2 kernel with omap2plus_defconfig. I suspect the build will
> > fail.
>
> With my Kconfig patch, kconfig won't let you turn on Thumb-2 in that
> configuration:
>
>
http://lists.arm.linux.org.uk/lurker/message/20101207.165737.0897658f.en.h
> tml
>
> If you want to turn on Thumb-2, you must disable ARCH_OMAP2 first. If
> my understanding is correct, this is the right behaviour.
>
>
Ofcourse it will build with ARCH_OMAP2 disabled :) (ARMv6 dependency)
In other words, I wanted to say that "omap2plus_defconfig" can't
be used as is to build THUMB kernel binary.
Thanks for conforming.
next prev parent reply other threads:[~2010-12-08 10:45 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-06 17:35 [PATCH v2 0/3] ARM: omap: Thumb-2 kernel compatibility fixes Dave Martin
2010-12-06 17:35 ` Dave Martin
2010-12-06 17:35 ` [PATCH v2 1/3] ARM: omap: Enable low-level omap3 PM code to work with CONFIG_THUMB2_KERNEL Dave Martin
2010-12-06 17:35 ` Dave Martin
[not found] ` <1291656937-24992-2-git-send-email-dave.martin-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2010-12-06 18:17 ` Catalin Marinas
2010-12-06 18:17 ` Catalin Marinas
2010-12-06 18:41 ` Dave Martin
2010-12-06 18:41 ` Dave Martin
2010-12-07 6:31 ` [PATCH v2 1/3] ARM: omap: Enable low-level omap3 PM code to work withCONFIG_THUMB2_KERNEL Santosh Shilimkar
2010-12-07 6:31 ` Santosh Shilimkar
2010-12-07 10:16 ` Dave Martin
2010-12-07 10:16 ` Dave Martin
2010-12-07 11:59 ` Jean Pihet
2010-12-07 11:59 ` Jean Pihet
2010-12-07 14:53 ` Dave Martin
2010-12-07 14:53 ` Dave Martin
2010-12-07 14:55 ` Dave Martin
2010-12-07 14:55 ` Dave Martin
[not found] ` <AANLkTin4oiDGqMJqjYO+5pCM4MffiGiTEKW5WxXx9gfg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2010-12-07 19:15 ` Nicolas Pitre
2010-12-07 19:15 ` Nicolas Pitre
2010-12-08 10:24 ` Dave Martin
2010-12-08 10:24 ` Dave Martin
[not found] ` <AANLkTikVHOgujYh+28TFJDQbHx=AXT_5354bTy9+FLVR-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2010-12-08 16:56 ` Nicolas Pitre
2010-12-08 16:56 ` Nicolas Pitre
[not found] ` <1291656937-24992-1-git-send-email-dave.martin-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2010-12-06 17:35 ` [PATCH v2 2/3] ARM: omap4: Correct definition of do_wfi() for CONFIG_THUMB2_KERNEL Dave Martin
2010-12-06 17:35 ` Dave Martin
2010-12-07 6:28 ` [PATCH v2 2/3] ARM: omap4: Correct definition of do_wfi() forCONFIG_THUMB2_KERNEL Santosh Shilimkar
2010-12-07 6:28 ` Santosh Shilimkar
2010-12-07 16:50 ` Dave Martin
2010-12-07 16:50 ` Dave Martin
2010-12-07 19:29 ` Russell King - ARM Linux
2010-12-07 19:29 ` Russell King - ARM Linux
2010-12-08 11:40 ` Dave Martin
2010-12-08 11:40 ` Dave Martin
2010-12-08 5:57 ` Santosh Shilimkar
2010-12-08 5:57 ` Santosh Shilimkar
2010-12-08 5:59 ` Santosh Shilimkar
2010-12-08 5:59 ` Santosh Shilimkar
2010-12-08 10:40 ` Dave Martin
2010-12-08 10:40 ` Dave Martin
2010-12-08 10:45 ` Santosh Shilimkar [this message]
2010-12-08 10:45 ` Santosh Shilimkar
2010-12-08 11:05 ` Dave Martin
2010-12-08 11:05 ` Dave Martin
2010-12-08 11:10 ` Santosh Shilimkar
2010-12-08 11:10 ` Santosh Shilimkar
2010-12-08 11:25 ` Dave Martin
2010-12-08 11:25 ` Dave Martin
2010-12-06 17:35 ` [PATCH v2 3/3] ARM: omap4: Convert END() to ENDPROC() for correct linkage with CONFIG_THUMB2_KERNEL Dave Martin
2010-12-06 17:35 ` Dave Martin
2010-12-07 6:29 ` [PATCH v2 3/3] ARM: omap4: Convert END() to ENDPROC() for correctlinkage " Santosh Shilimkar
2010-12-07 6:29 ` Santosh Shilimkar
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