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authorIngo Molnar <mingo@elte.hu>2008-02-04 16:47:54 +0100
committerIngo Molnar <mingo@elte.hu>2008-02-04 16:47:54 +0100
commit38cb47ba0187c481aa949d3bbf149e014e8cacda (patch)
treeff05de005f1838b8eefedcb03a8247b2c825b5b3 /arch/x86/kernel/vmi_32.c
parentMerge git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6 (diff)
downloadlinux-38cb47ba0187c481aa949d3bbf149e014e8cacda.tar.xz
linux-38cb47ba0187c481aa949d3bbf149e014e8cacda.zip
x86: relax RAM check in ioremap()
Kevin Winchester reported the loss of direct rendering, due to: [ 0.588184] agpgart: Detected AGP bridge 0 [ 0.588184] agpgart: unable to get memory for graphics translation table. [ 0.588184] agpgart: agp_backend_initialize() failed. [ 0.588207] agpgart-amd64: probe of 0000:00:00.0 failed with error -12 and bisected it down to: commit 266b9f8727976769e2ed2dad77ac9295f37e321e Author: Thomas Gleixner <tglx@linutronix.de> Date: Wed Jan 30 13:34:06 2008 +0100 x86: fix ioremap RAM check this check was too strict and caused an ioremap() failure. the problem is due to the somewhat unclean way of how the GART code reserves a memory range for its aperture, and how it utilizes it later on. Allow RAM pages to be ioremap()-ed too, as long as they are reserved. Bisected-by: Kevin Winchester <kjwinchester@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Tested-by: Kevin Winchester <kjwinchester@gmail.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/kernel/vmi_32.c')
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