diff options
| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-03-06 19:52:50 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-03-06 19:52:50 -0800 |
| commit | fe1b4ba400193176213f95be3ea711a53518a609 (patch) | |
| tree | e60943d4703fca5a291fffc2e0b77a786b6db3f4 /arch/s390/kernel/machine_kexec.c | |
| parent | ae5dd8e346efc25a5f9cc9d01bc0915c40eb38d9 (diff) | |
| parent | 2470b648e17e0216922bb78c7f05b4668402459a (diff) | |
| download | talos-op-linux-fe1b4ba400193176213f95be3ea711a53518a609.tar.gz talos-op-linux-fe1b4ba400193176213f95be3ea711a53518a609.zip | |
Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6
* 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6:
[S390] cio: Call cancel_halt_clear even when actl == 0.
[S390] cio: Use path verification to check for path state.
[S390] cio: Fix locking when calling notify function.
[S390] Fixed handling of access register mode faults.
[S390] dasd: Use default recovery for SNSS requests
[S390] check_bugs() should be inline.
[S390] tape: Compression overwrites crypto setting
[S390] nss: disable kexec.
[S390] reipl: move dump_prefix_page out of text section.
[S390] smp: disable preemption in smp_call_function/smp_call_function_on
[S390] kprobes breaks BUG_ON
Diffstat (limited to 'arch/s390/kernel/machine_kexec.c')
| -rw-r--r-- | arch/s390/kernel/machine_kexec.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/s390/kernel/machine_kexec.c b/arch/s390/kernel/machine_kexec.c index 52f57af252b4..3c77dd36994c 100644 --- a/arch/s390/kernel/machine_kexec.c +++ b/arch/s390/kernel/machine_kexec.c @@ -19,6 +19,7 @@ #include <asm/system.h> #include <asm/smp.h> #include <asm/reset.h> +#include <asm/ipl.h> typedef void (*relocate_kernel_t)(kimage_entry_t *, unsigned long); @@ -29,6 +30,10 @@ int machine_kexec_prepare(struct kimage *image) { void *reboot_code_buffer; + /* Can't replace kernel image since it is read-only. */ + if (ipl_flags & IPL_NSS_VALID) + return -ENOSYS; + /* We don't support anything but the default image type for now. */ if (image->type != KEXEC_TYPE_DEFAULT) return -EINVAL; |
