xiaomi-sm8450/android_kernel_xiaomi_sm8450
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x86, um/x86: switch to generic sys_execve and kernel_execve

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32bit wrapper is lost on that; 64bit one is *not*, since
we need to arrange for full pt_regs on stack when we call
sys_execve() and we need to load callee-saved ones from
there afterwards.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2012-08-02 23:05:11 +04:00
parent 7076aada10
commit 6783eaa2e1
17 changed files with 34 additions and 158 deletions
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arch/x86/kernel/process_32.c
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@@ -207,6 +207,7 @@ start_thread(struct pt_regs *regs, unsigned long new_ip, unsigned long new_sp)
regs->cs = __USER_CS;
regs->ip = new_ip;
regs->sp = new_sp;
regs->flags = X86_EFLAGS_IF;
/*
* Free the old FP and other extended state
*/