Message	SHA1
sh: Fix TIF_USEDFPU clearing under FPU emulation. ... The unlazy_fpu() path calls in to save_fpu() if the task has TIF_USEDFPU set. save_fpu() being the crap API that it is has the side effect of clearing the flag itself, which presently doesn't happen if we're using FPU emulation. Fix this up for now, pending an overhaul in 2.6.26. Signed-off-by: Paul Mundt <lethal@linux-sh.org> Paul Mundt   commited 2008-03-26 19:09:21 +09:00	138bed154e
sh: Fix occasional FPU register corruption under preempt. ... 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 <takuo.koguchi.sw@hitachi.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org> Paul Mundt   commited 2008-03-26 19:02:47 +09:00	9bbafce2ee
sh: SH-2A FPU support. ... Signed-off-by: Kieran Bingham <kbingham@mpc-data.co.uk> Signed-off-by: Paul Mundt <lethal@linux-sh.org> Paul Mundt   commited 2008-01-28 13:18:57 +09:00	74d99a5e26
sh: Bring the SH-5 FPU in line with the SH-4 FPU API. ... Signed-off-by: Paul Mundt <lethal@linux-sh.org> Paul Mundt   commited 2008-01-28 13:18:55 +09:00	332fd57b92