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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| .. | ||
| cpu | ||
| timers | ||
| vsyscall | ||
| Makefile | ||
| Makefile_32 | ||
| Makefile_64 | ||
| asm-offsets.c | ||
| cf-enabler.c | ||
| cpufreq.c | ||
| crash_dump.c | ||
| debugtraps.S | ||
| dump_task.c | ||
| early_printk.c | ||
| entry-common.S | ||
| head_32.S | ||
| head_64.S | ||
| init_task.c | ||
| io.c | ||
| io_generic.c | ||
| io_trapped.c | ||
| irq.c | ||
| kgdb_jmp.S | ||
| kgdb_stub.c | ||
| machine_kexec.c | ||
| machvec.c | ||
| module.c | ||
| pm.c | ||
| process_32.c | ||
| process_64.c | ||
| ptrace_32.c | ||
| ptrace_64.c | ||
| relocate_kernel.S | ||
| semaphore.c | ||
| setup.c | ||
| sh_bios.c | ||
| sh_ksyms_32.c | ||
| sh_ksyms_64.c | ||
| signal_32.c | ||
| signal_64.c | ||
| smp.c | ||
| stacktrace.c | ||
| sys_sh.c | ||
| sys_sh32.c | ||
| sys_sh64.c | ||
| syscalls_32.S | ||
| syscalls_64.S | ||
| time_32.c | ||
| time_64.c | ||
| topology.c | ||
| traps.c | ||
| traps_32.c | ||
| traps_64.c | ||
| vmlinux.lds.S | ||
| vmlinux_32.lds.S | ||
| vmlinux_64.lds.S | ||