On Wed, 13 Jul 2016 14:19:50 +0200 Petr Tesarik <ptesarik at suse.com> wrote: > Hello all, > > this patch series makes it possible to save a kernel crash dump when the > kernel command line includes "crash_kexec_post_notifiers". Oh ... I forgot to add: This only applies to running Linux under Xen. If you run on bare metal, you can always save the dump already, as you certainly know. Petr T > There might > be other approaches, but mine has the advantage that no new sysctl is > required, and the behaviour is the same whether panic notifiers are run > or not: If you load a crash kernel with kexec, it will be used, otherwise > the hypervisor facility is used (using a hypercall). > > Feedback welcome! > > Petr T > > --- > > Petr Tesarik (2): > Add a kexec_crash_loaded() function > Allow kdump with crash_kexec_post_notifiers > > > arch/x86/xen/enlighten.c | 3 ++- > include/linux/kexec.h | 2 ++ > kernel/kexec_core.c | 5 +++++ > kernel/ksysfs.c | 2 +- > 4 files changed, 10 insertions(+), 2 deletions(-) > > -- > Signature > > _______________________________________________ > kexec mailing list > kexec at lists.infradead.org > http://lists.infradead.org/mailman/listinfo/kexec
