On 12/02/15 at 04:39pm, Xunlei Pang wrote: > sanity_check_segment_list() checks KEXEC_TYPE_CRASH flag to ensure > all the segments of the loaded crash kernel are winthin the kernel > crash resource limits, so set the flag beforehand. > > Signed-off-by: Xunlei Pang <[email protected]> > Acked-by: Dave Young <[email protected]> > --- > v1 -> v2: > Improved some comments. > > kernel/kexec.c | 10 +++++----- > 1 file changed, 5 insertions(+), 5 deletions(-) > > diff --git a/kernel/kexec.c b/kernel/kexec.c > index d873b64..ee70aef 100644 > --- a/kernel/kexec.c > +++ b/kernel/kexec.c > @@ -63,16 +63,16 @@ static int kimage_alloc_init(struct kimage **rimage, > unsigned long entry, > if (ret) > goto out_free_image; > > - ret = sanity_check_segment_list(image); > - if (ret) > - goto out_free_image; > - > - /* Enable the special crash kernel control page allocation policy. */ > if (kexec_on_panic) { > + /* Enable special crash kernel control page alloc policy. */ > image->control_page = crashk_res.start; > image->type = KEXEC_TYPE_CRASH; > }
Good catch. This is hard to be found because kexec-tools user space utility has make sure it's well located. It must be a code reviewing finding. Ack it. Acked-by: Baoquan He <[email protected]> Thanks Baoquan > > + ret = sanity_check_segment_list(image); > + if (ret) > + goto out_free_image; > + > /* > * Find a location for the control code buffer, and add it > * the vector of segments so that it's pages will also be > -- > 2.5.0 > > > _______________________________________________ > kexec mailing list > [email protected] > http://lists.infradead.org/mailman/listinfo/kexec -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

