From mboxrd@z Thu Jan 1 00:00:00 1970 From: shiraz.hashim@st.com (Shiraz Hashim) Date: Mon, 11 Feb 2013 09:20:14 +0530 Subject: [PATCH 1/3] SPEAr13xx_defconfig: Enable Memory split 2G/2G needed In-Reply-To: References: <6cebd9755011670ecaeec7930b3fa7ed0f16b3b6.1360317993.git.vijay.kumar@st.com> Message-ID: <20130211035014.GA3303@localhost.localdomain> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Nicolas, On Fri, Feb 08, 2013 at 12:49:22PM -0500, Nicolas Pitre wrote: > On Fri, 8 Feb 2013, Viresh Kumar wrote: > > > > By mistake you have added an ST internal list in cc, fixed it now. > > > > Subject should be: > > > > ARM: SPEAr13xx: Enable 2G/2G Memory split in defconfig > > > > On 8 February 2013 16:16, Vijay Kumar Mishra wrote: > > > Memory split 2G/2G is enabled as needed for SPEAr1310 RevC board to boot. > > > Before enabling this option the boot was hanging at uncompressing linux. > > I disagree. The subject could have been "put our head in the sand and > paper over bugs". > > Please don't do that. There is no reason for any machine not to boot > way past "Uncompressing Linux" with the default split. The likely > reason it works with the 2G:2G split is because in that case the virtual > and physical RAM addresses in the kernel are the same, and therefore > missing p2v or v2p conversions are invisible. I agree. Actually the details are misleading. SPEAr13xx chose this option just for its own preference over high memory support. @Vijay, I think you should drop this patch and just enable high memory support rather, if SPEAr13xx doesn't have any problem with that. -- regards Shiraz