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Fix CONFIG_X86_DEBUG_FPU build failure

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When CONFIG_X86_DEBUG_FPU is defined the alternatives_patched symbol
is pulled in as a dependency which results in a build failure.  To
prevent this undefine CONFIG_X86_DEBUG_FPU to disable the WARN_ON_FPU()
macro and rely on WARN_ON_ONCE debugging checks which were previously
added.

Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #9041
Closes #9049
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Brian Behlendorf 2019-07-17 09:14:36 -07:00 committed by GitHub
parent 5784c7c36e
commit 095b5412b3
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1 changed files with 9 additions and 0 deletions
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9
include/linux/simd_x86.h
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@ -84,6 +84,15 @@
#if defined(_KERNEL)
/*
* Disable the WARN_ON_FPU() macro to prevent additional dependencies
* when providing the kfpu_* functions. Relevant warnings are included
* as appropriate and are unconditionally enabled.
*/
#if defined(CONFIG_X86_DEBUG_FPU) && !defined(KERNEL_EXPORTS_X86_FPU)
#undef CONFIG_X86_DEBUG_FPU
#endif
#if defined(HAVE_KERNEL_FPU_API_HEADER)
#include <asm/fpu/api.h>
#include <asm/fpu/internal.h>