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author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-08-26 09:28:22 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-08-26 09:28:22 -0700 |
commit | 96d185c76584b285dbaf39e4399a9a690ce7aa6d (patch) | |
tree | 18fe9e8dc4ba0764e024fc534bf75b05d21af63e /arch | |
parent | a94cc4e6c0a26a7c8f79a432ab2c89534aa674d5 (diff) | |
parent | 8adb4ca344b48bbbf87ca66fd07a2dd503619714 (diff) | |
download | linux-96d185c76584b285dbaf39e4399a9a690ce7aa6d.tar.bz2 |
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:
[S390] memory hotplug: only unassign assigned increments
[S390] Change default action from reipl to stop for on_restart
[S390] arch/s390/kernel/ipl.c: correct error detection check
[S390] drivers/s390/block/dasd_ioctl.c: add missing kfree
[S390] nss,initrd: kernel image and initrd must be in different segments
Diffstat (limited to 'arch')
-rw-r--r-- | arch/s390/kernel/early.c | 14 | ||||
-rw-r--r-- | arch/s390/kernel/ipl.c | 7 |
2 files changed, 12 insertions, 9 deletions
diff --git a/arch/s390/kernel/early.c b/arch/s390/kernel/early.c index 068f8465c4ee..f297456dba7a 100644 --- a/arch/s390/kernel/early.c +++ b/arch/s390/kernel/early.c @@ -396,17 +396,19 @@ static __init void detect_machine_facilities(void) static __init void rescue_initrd(void) { #ifdef CONFIG_BLK_DEV_INITRD + unsigned long min_initrd_addr = (unsigned long) _end + (4UL << 20); /* - * Move the initrd right behind the bss section in case it starts - * within the bss section. So we don't overwrite it when the bss - * section gets cleared. + * Just like in case of IPL from VM reader we make sure there is a + * gap of 4MB between end of kernel and start of initrd. + * That way we can also be sure that saving an NSS will succeed, + * which however only requires different segments. */ if (!INITRD_START || !INITRD_SIZE) return; - if (INITRD_START >= (unsigned long) __bss_stop) + if (INITRD_START >= min_initrd_addr) return; - memmove(__bss_stop, (void *) INITRD_START, INITRD_SIZE); - INITRD_START = (unsigned long) __bss_stop; + memmove((void *) min_initrd_addr, (void *) INITRD_START, INITRD_SIZE); + INITRD_START = min_initrd_addr; #endif } diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c index 04361d5a4279..48c710206366 100644 --- a/arch/s390/kernel/ipl.c +++ b/arch/s390/kernel/ipl.c @@ -1220,7 +1220,7 @@ static int __init reipl_fcp_init(void) /* sysfs: create fcp kset for mixing attr group and bin attrs */ reipl_fcp_kset = kset_create_and_add(IPL_FCP_STR, NULL, &reipl_kset->kobj); - if (!reipl_kset) { + if (!reipl_fcp_kset) { free_page((unsigned long) reipl_block_fcp); return -ENOMEM; } @@ -1618,7 +1618,8 @@ static struct shutdown_action vmcmd_action = {SHUTDOWN_ACTION_VMCMD_STR, static void stop_run(struct shutdown_trigger *trigger) { - if (strcmp(trigger->name, ON_PANIC_STR) == 0) + if (strcmp(trigger->name, ON_PANIC_STR) == 0 || + strcmp(trigger->name, ON_RESTART_STR) == 0) disabled_wait((unsigned long) __builtin_return_address(0)); while (sigp(smp_processor_id(), sigp_stop) == sigp_busy) cpu_relax(); @@ -1717,7 +1718,7 @@ static void do_panic(void) /* on restart */ static struct shutdown_trigger on_restart_trigger = {ON_RESTART_STR, - &reipl_action}; + &stop_action}; static ssize_t on_restart_show(struct kobject *kobj, struct kobj_attribute *attr, char *page) |