From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thierry Reding Subject: Re: [PATCH] ARM: tegra: add kexec support to defconfig Date: Fri, 4 Jan 2013 21:08:20 +0100 Message-ID: <20130104200820.GC4577@avionic-0098.adnet.avionic-design.de> References: <1357161141-26430-1-git-send-email-swarren@wwwdotorg.org> <20130103210541.GB4412@avionic-0098.adnet.avionic-design.de> <50E5F5A3.1060507@wwwdotorg.org> <20130103212903.GA27749@avionic-0098.adnet.avionic-design.de> <50E5FBDE.90804@wwwdotorg.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="f+W+jCU1fRNres8c" Return-path: Content-Disposition: inline In-Reply-To: <50E5FBDE.90804-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org> Sender: linux-tegra-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Stephen Warren Cc: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Stephen Warren List-Id: linux-tegra@vger.kernel.org --f+W+jCU1fRNres8c Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Jan 03, 2013 at 02:45:02PM -0700, Stephen Warren wrote: > On 01/03/2013 02:29 PM, Thierry Reding wrote: > > On Thu, Jan 03, 2013 at 02:18:27PM -0700, Stephen Warren wrote: > >> On 01/03/2013 02:05 PM, Thierry Reding wrote: > >>> On Wed, Jan 02, 2013 at 02:12:21PM -0700, Stephen Warren > >>> wrote: > >>>> From: Stephen Warren > >>>>=20 > >>>> Signed-off-by: Stephen Warren ---=20 > >>>> arch/arm/configs/tegra_defconfig | 1 + 1 file changed, 1=20 > >>>> insertion(+) > >>>>=20 > >>>> diff --git a/arch/arm/configs/tegra_defconfig=20 > >>>> b/arch/arm/configs/tegra_defconfig index 742dc41..e621603 > >>>> 100644 --- a/arch/arm/configs/tegra_defconfig +++=20 > >>>> b/arch/arm/configs/tegra_defconfig @@ -34,6 +34,7 @@=20 > >>>> CONFIG_AEABI=3Dy CONFIG_HIGHMEM=3Dy CONFIG_ZBOOT_ROM_TEXT=3D0x0=20 > >>>> CONFIG_ZBOOT_ROM_BSS=3D0x0 +CONFIG_KEXEC=3Dy CONFIG_CPU_FREQ=3Dy=20 > >>>> CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=3Dy CONFIG_CPU_IDLE=3Dy > >>>=20 > >>> Interesting. What do you plan to use this for? kdump? > >>=20 > >> I plan to burn a kernel (and a small stub, and a DTB) into flash=20 > >> instead of U-Boot, and hence not have to rely on any bootloader. > >=20 > > Why does that require kexec support? >=20 > Because I'd be using that kernel plus an initrd to download the "real" > kernel over e.g. TFTP and kexec it. Right, that makes sense. Thanks for explaining. Thierry --f+W+jCU1fRNres8c Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (GNU/Linux) iQIcBAEBAgAGBQJQ5za0AAoJEN0jrNd/PrOh8QwQAKCKLR0l4Pi+LDJbLMCfmbw7 eoXRIuBbm2MSLBj5Ga8TdvON5Qf0ABfWd0Ea8Z2vJKF+rR89SiP+Q7V8Qdypj/Gj TRO5qlFpCLBEQD0Qzkbb2zYMIJhzcUtOyU6q+YUqtTEAyX76JcphpTy/EsROvmFQ MBMLjLnt0fNNOXzmYDZbFna+kde60vNsLYsF8jXmHQzGMF2m5G1frVizgm75EpYV PQ07xgcn0Jez2I5F415277WONxJKq7AJ7N8T1erUnbszv8KN7fuvf39CZ75kWgyc R/m4a6UjTOc7CFYrCwDB/bJiDGrVquxlARChCpRgckjhxReMmqBS7ypKnhNLuj4g MoIkYyolTWmjRitg9Mr//wWCyZ7vwdTpfCAbdq9gzyKhuWfftnZRx/LlZ5ABXwI9 o0gHq/xYN5oI9Qvb2NEBwKfK6jWi7CqD2Ra5rOtWZAogmCAsFGHAU9jocyTvQd1X vMxMAcxdfKXtSLKoVjiDsOcMrU9T/2MfCx7IPZ/0dWt9M3X/NVSf/eUSnz1g87Sd 4xYn8cxj9KKD9whsB1i0xW6Fsa0svEvzJiyTBjtinNoNSspBjxBUbCGDDzEA+XbY wLOgopaxhvK6Tc/YMm41wOwDEZa8/x08GdP9mUPkzKhKvDFadXCEb8jmhmmp1lY3 VOHEU96rjKZGhoIwScLT =p6HF -----END PGP SIGNATURE----- --f+W+jCU1fRNres8c--