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2008-03-26sh: Fix occasional FPU register corruption under preempt.Paul Mundt1-0/+1
Presently with preempt enabled there's the possibility to be preempted after the TIF_USEDFPU test and the register save, leading to bogus state post-__switch_to(). Use an explicit preempt_disable()/enable() pair around unlazy_fpu()/clear_fpu() to avoid this. Follows the x86 change. Reported-by: Takuo Koguchi <[email protected]> Signed-off-by: Paul Mundt <[email protected]>
2008-02-08aout: move STACK_TOP[_MAX] to asm/processor.hDavid Howells1-0/+3
Move STACK_TOP[_MAX] out of asm/a.out.h and into asm/processor.h as they're required whether or not A.OUT format is available. Signed-off-by: David Howells <[email protected]> Cc: <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2008-01-28sh: Bring the SH-5 FPU in line with the SH-4 FPU API.Paul Mundt1-26/+0
Signed-off-by: Paul Mundt <[email protected]>
2008-01-28sh: Move vsyscall_init() defs up one level.Paul Mundt1-6/+0
Signed-off-by: Paul Mundt <[email protected]>
2008-01-28sh: More SH-5 cpuinfo tidying.Paul Mundt1-1/+0
Signed-off-by: Paul Mundt <[email protected]>
2008-01-28sh: Split out processor.h in to _32 and _64 variants.Paul Mundt1-0/+248
Signed-off-by: Paul Mundt <[email protected]>
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