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Date: Mon, 29 Aug 2011 18:03:54 +0200 From: Richard Weinberger <richard@....at> To: akpm@...ux-foundation.org Cc: linux-kernel@...r.kernel.org, user-mode-linux-devel@...ts.sourceforge.net, Thadeu Lima de Souza Cascardo <cascardo@...oscopio.com>, Christoph Lameter <cl@...ux.com>, Jeff Dike <jdike@...toit.com>, Richard Weinberger <richard@....at> Subject: [PATCH 1/9] um: disable CMPXCHG_DOUBLE as it breaks UML build From: Thadeu Lima de Souza Cascardo <cascardo@...oscopio.com> Commit b789ef518b2a7231b0668c813f677cee528a9d3f tests for cmpxchg_double support in the SLUB code and it breaks UML builds with SLUB. Since UML does not support checking for CPU features, disable CMPXCHG_DOUBLE just like CMPXCHG_LOCAL is disabled for UML. Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@...oscopio.com> Cc: Christoph Lameter <cl@...ux.com> Cc: Jeff Dike <jdike@...toit.com> Cc: Richard Weinberger <richard@....at> Signed-off-by: Richard Weinberger <richard@....at> --- arch/um/Kconfig.x86 | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/arch/um/Kconfig.x86 b/arch/um/Kconfig.x86 index d31ecf3..21bebe6 100644 --- a/arch/um/Kconfig.x86 +++ b/arch/um/Kconfig.x86 @@ -10,6 +10,10 @@ config CMPXCHG_LOCAL bool default n +config CMPXCHG_DOUBLE + bool + default n + source "arch/x86/Kconfig.cpu" endmenu -- 1.7.6.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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