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authorHeiko Carstens <heiko.carstens@de.ibm.com>2005-08-01 21:11:33 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2005-08-01 21:37:59 -0700
commit5d3f229fcd4409d3e182b204defc122eb7833535 (patch)
tree89db475baaf74bde17eedd7421edbd299504fc16 /arch/s390/kernel/machine_kexec.c
parent4374ae10e5ef577d8fd73fdadcdb37149d8b3953 (diff)
downloadop-kernel-dev-5d3f229fcd4409d3e182b204defc122eb7833535.zip
op-kernel-dev-5d3f229fcd4409d3e182b204defc122eb7833535.tar.gz
[PATCH] s390: kexec fixes and improvements.
Disable pseudo page fault handling before starting the new kernel and try to use diag308 to reset the machine. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/s390/kernel/machine_kexec.c')
-rw-r--r--arch/s390/kernel/machine_kexec.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/s390/kernel/machine_kexec.c b/arch/s390/kernel/machine_kexec.c
index 2721c3a..5aa71b0 100644
--- a/arch/s390/kernel/machine_kexec.c
+++ b/arch/s390/kernel/machine_kexec.c
@@ -70,6 +70,8 @@ machine_kexec(struct kimage *image)
for (;;);
}
+extern void pfault_fini(void);
+
static void
kexec_halt_all_cpus(void *kernel_image)
{
@@ -78,6 +80,11 @@ kexec_halt_all_cpus(void *kernel_image)
struct kimage *image;
relocate_kernel_t data_mover;
+#ifdef CONFIG_PFAULT
+ if (MACHINE_IS_VM)
+ pfault_fini();
+#endif
+
if (atomic_compare_and_swap(-1, smp_processor_id(), &cpuid))
signal_processor(smp_processor_id(), sigp_stop);
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