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authorJan Beulich <JBeulich@novell.com>2009-08-28 14:11:57 +0100
committerIngo Molnar <mingo@elte.hu>2009-08-29 15:47:32 +0200
commit47d25003cbd9e9030a95f7ccc4e70fec6aa7b844 (patch)
tree7928401e154672714e3db17f15e701fd38ed85fd /mm/Kconfig
parentb855192c08fcb14adbc5d3a7cab182022d433cca (diff)
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x86: Fix earlyprintk=dbgp for machines without NX
Since parse_early_param() may (e.g. for earlyprintk=dbgp) involve calls to page table manipulation functions (here set_fixmap_nocache()), NX hardware support must be determined before calling that function (so that __supported_pte_mask gets properly set up). But the call after parse_early_param() can also not go away, as that will honor eventual command line specified disabling of the NX functionality. ( This will then just result in whatever mappings got established during parse_early_param() having the NX bit set despite it being disabled on the command line, but I think that's tolerable). Signed-off-by: Jan Beulich <jbeulich@novell.com> Cc: Yinghai Lu <yhlu.kernel@gmail.com> LKML-Reference: <4A97F3BD02000078000121B9@vpn.id2.novell.com> [ merged to x86/pat to resolve a conflict. ] Signed-off-by: Ingo Molnar <mingo@elte.hu>
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