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ARM64 arch_clone_thread(): eliminate extra save_fp_regs()

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Balazs Gerofi
2018-01-26 13:51:38 +09:00
parent f56e087208
commit 722ae0e7d5
1 changed files with 0 additions and 2 deletions
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arch/arm64/kernel/cpu.c
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@ -1172,8 +1172,6 @@ void arch_clone_thread(struct thread *othread, unsigned long pc,
asm("mrs %0, tpidr_el0" : "=r" (tls)); asm("mrs %0, tpidr_el0" : "=r" (tls));
othread->tlsblock_base = nthread->tlsblock_base = tls; othread->tlsblock_base = nthread->tlsblock_base = tls;
/* copy fp_regs values from parent. */
save_fp_regs(othread);
if ((othread->fp_regs != NULL) && (check_and_allocate_fp_regs(nthread) == 0)) { if ((othread->fp_regs != NULL) && (check_and_allocate_fp_regs(nthread) == 0)) {
memcpy(nthread->fp_regs, othread->fp_regs, sizeof(fp_regs_struct)); memcpy(nthread->fp_regs, othread->fp_regs, sizeof(fp_regs_struct));
} }