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9bbafce2ee
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> |
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boards | ||
boot | ||
cchips | ||
configs | ||
drivers | ||
kernel | ||
lib | ||
lib64 | ||
math-emu | ||
mm | ||
oprofile | ||
tools | ||
Kconfig | ||
Kconfig.cpu | ||
Kconfig.debug | ||
Makefile |