206f09eb46
const. On x86, even after the machine context is supposedly read into the struct ucontext, lazy FPU state save code might only mark the FPU data as hardware-owned. Later, set_fpcontext() needs to fetch the state from hardware, modifying the *mcp. The set_mcontext(9) is called from sigreturn(2) and setcontext(2) implementations and old create_thread(2) interface, which throw the *mcp out after the set_mcontext() call. Reported by: dim Discussed with: jhb Sponsored by: The FreeBSD Foundation MFC after: 1 week |
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.. | ||
autoconf.c | ||
bcopy.S | ||
bus_space_fdt.c | ||
bus_space_generic.c | ||
busdma_machdep.c | ||
cache_mipsNN.c | ||
cache.c | ||
cpu.c | ||
db_disasm.c | ||
db_interface.c | ||
db_trace.c | ||
dump_machdep.c | ||
elf_machdep.c | ||
elf_trampoline.c | ||
exception.S | ||
fp.S | ||
freebsd32_machdep.c | ||
gdb_machdep.c | ||
genassym.c | ||
in_cksum.c | ||
inckern.S | ||
intr_machdep.c | ||
libkern_machdep.c | ||
locore.S | ||
machdep.c | ||
mem.c | ||
minidump_machdep.c | ||
mp_machdep.c | ||
mpboot.S | ||
nexus.c | ||
octeon_cop2_swtch.S | ||
octeon_cop2.c | ||
pm_machdep.c | ||
pmap.c | ||
ptrace_machdep.c | ||
sc_machdep.c | ||
stack_machdep.c | ||
stdatomic.c | ||
support.S | ||
swtch.S | ||
sys_machdep.c | ||
tick.c | ||
tlb.c | ||
trap.c | ||
uio_machdep.c | ||
uma_machdep.c | ||
vm_machdep.c |