提交 5dd61dfa 编写于 作者: P Pekka Enberg 提交者: Ingo Molnar

x86: rename do_not_nx to disable_nx in mm/init_64.c

As a preparational step for unifying noexec handling on 32-bit and 64-bit,
rename the do_not_nx variable to disable_nx on 64-bit.
Signed-off-by: NPekka Enberg <penberg@cs.helsinki.fi>
LKML-Reference: <1236265497.31324.11.camel@penberg-laptop>
Signed-off-by: NIngo Molnar <mingo@elte.hu>
上级 c77a3b59
......@@ -85,7 +85,7 @@ early_param("gbpages", parse_direct_gbpages_on);
pteval_t __supported_pte_mask __read_mostly = ~_PAGE_IOMAP;
EXPORT_SYMBOL_GPL(__supported_pte_mask);
static int do_not_nx __cpuinitdata;
static int disable_nx __cpuinitdata;
/*
* noexec=on|off
......@@ -100,9 +100,9 @@ static int __init nonx_setup(char *str)
return -EINVAL;
if (!strncmp(str, "on", 2)) {
__supported_pte_mask |= _PAGE_NX;
do_not_nx = 0;
disable_nx = 0;
} else if (!strncmp(str, "off", 3)) {
do_not_nx = 1;
disable_nx = 1;
__supported_pte_mask &= ~_PAGE_NX;
}
return 0;
......@@ -114,7 +114,7 @@ void __cpuinit check_efer(void)
unsigned long efer;
rdmsrl(MSR_EFER, efer);
if (!(efer & EFER_NX) || do_not_nx)
if (!(efer & EFER_NX) || disable_nx)
__supported_pte_mask &= ~_PAGE_NX;
}
......
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