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authorLinus Torvalds <torvalds@linux-foundation.org>2011-05-24 12:06:02 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-05-24 12:06:02 -0700
commit0d66cba1ac3ad38614077443d604d6a09cec99de (patch)
tree383981fd93c7e6d467fb239edd51f935f1a481dd /arch/s390/kernel/setup.c
parent4637f40f200063973553ce3c4c1ac6c247e4535c (diff)
parent5bd418784a2764a8d9de177a5462bfc008fd334a (diff)
Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6
* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6: (29 commits) [S390] cpu hotplug: fix external interrupt subclass mask handling [S390] oprofile: dont access lowcore [S390] oprofile: add missing irq stats counter [S390] Ignore sendmmsg system call note wired up warning [S390] s390,oprofile: fix compile error for !CONFIG_SMP [S390] s390,oprofile: fix alert counter increment [S390] Remove unused includes in process.c [S390] get CPC image name [S390] sclp: event buffer dissection [S390] chsc: process channel-path-availability information [S390] refactor page table functions for better pgste support [S390] merge page_test_dirty and page_clear_dirty [S390] qdio: prevent compile warning [S390] sclp: remove unnecessary sendmask check [S390] convert old cpumask API into new one [S390] pfault: cleanup code [S390] pfault: cpu hotplug vs missing completion interrupts [S390] smp: add __noreturn attribute to cpu_die() [S390] percpu: implement arch specific irqsafe_cpu_ops [S390] vdso: disable gcov profiling ...
Diffstat (limited to 'arch/s390/kernel/setup.c')
-rw-r--r--arch/s390/kernel/setup.c31
1 files changed, 2 insertions, 29 deletions
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index f5434d1ecb31..0c35dee10b00 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -305,8 +305,7 @@ static int set_amode_and_uaccess(unsigned long user_amode,
*/
static int __init early_parse_switch_amode(char *p)
{
- if (user_mode != SECONDARY_SPACE_MODE)
- user_mode = PRIMARY_SPACE_MODE;
+ user_mode = PRIMARY_SPACE_MODE;
return 0;
}
early_param("switch_amode", early_parse_switch_amode);
@@ -315,10 +314,6 @@ static int __init early_parse_user_mode(char *p)
{
if (p && strcmp(p, "primary") == 0)
user_mode = PRIMARY_SPACE_MODE;
-#ifdef CONFIG_S390_EXEC_PROTECT
- else if (p && strcmp(p, "secondary") == 0)
- user_mode = SECONDARY_SPACE_MODE;
-#endif
else if (!p || strcmp(p, "home") == 0)
user_mode = HOME_SPACE_MODE;
else
@@ -327,31 +322,9 @@ static int __init early_parse_user_mode(char *p)
}
early_param("user_mode", early_parse_user_mode);
-#ifdef CONFIG_S390_EXEC_PROTECT
-/*
- * Enable execute protection?
- */
-static int __init early_parse_noexec(char *p)
-{
- if (!strncmp(p, "off", 3))
- return 0;
- user_mode = SECONDARY_SPACE_MODE;
- return 0;
-}
-early_param("noexec", early_parse_noexec);
-#endif /* CONFIG_S390_EXEC_PROTECT */
-
static void setup_addressing_mode(void)
{
- if (user_mode == SECONDARY_SPACE_MODE) {
- if (set_amode_and_uaccess(PSW_ASC_SECONDARY,
- PSW32_ASC_SECONDARY))
- pr_info("Execute protection active, "
- "mvcos available\n");
- else
- pr_info("Execute protection active, "
- "mvcos not available\n");
- } else if (user_mode == PRIMARY_SPACE_MODE) {
+ if (user_mode == PRIMARY_SPACE_MODE) {
if (set_amode_and_uaccess(PSW_ASC_PRIMARY, PSW32_ASC_PRIMARY))
pr_info("Address spaces switched, "
"mvcos available\n");