gh0s7/mckernel
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

execve: Clear sigaltstack and fp_regs

Browse Source 
Fujitsu: POSTK_DEBUG_TEMP_FIX_19
Refs: #976
Change-Id: I16895eab13eecbb47b7e6da961fae82ee5e570ee
This commit is contained in:
Ken Sato
2018-07-17 15:37:57 +09:00
parent d898f18293
commit c716e87c53
14 changed files with 498 additions and 28 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
arch/arm64/kernel/cpu.c
View File

@ -1437,8 +1437,7 @@ void copy_fp_regs(struct thread *from, struct thread *to)
}
}
void
clear_fp_regs(struct thread *thread)
void clear_fp_regs(void)
{
if (likely(elf_hwcap & (HWCAP_FP | HWCAP_ASIMD))) {
#ifdef CONFIG_ARM64_SVE
@ -1475,7 +1474,7 @@ restore_fp_regs(struct thread *thread)
if (likely(elf_hwcap & (HWCAP_FP | HWCAP_ASIMD))) {
if (!thread->fp_regs) {
// only clear fpregs.
clear_fp_regs(thread);
clear_fp_regs();
return;
}
thread_fpsimd_load(thread);