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authorH. Peter Anvin <hpa@zytor.com>2008-12-22 17:56:05 -0800
committerH. Peter Anvin <hpa@zytor.com>2008-12-22 18:00:18 -0800
commitadf77bac052bb5bf0722b2ce2af9fefc5b2d2a71 (patch)
treeaceffee150411ffe1e93b4f78f4660028d44ecd8 /Documentation/filesystems
parent55dac3a5553b13891f0ae4bbd11920619b5436d4 (diff)
x86: prioritize the FPU traps for the error code
In the case of multiple FPU errors, prioritize the error codes, instead of returning __SI_FAULT, which ends up pushing a 0 as the error code to userspace, a POSIX violation. For i386, we will simply return if there are no errors at all; for x86-64 this is probably a "can't happen" (and the code should be unified), but for this patch, return __SI_FAULT|SI_KERNEL if this ever happens. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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