On Wed, Jun 28, 2017 at 02:02:09PM -0400, Jason Baron wrote: > Hi, > > If I have kernel source S, apply a kpatch module A, but then want to > 'revert' parts of A, by applying a cumulative patch B, such that some > functions are no longer different from source kernel S, how do I do that? > > It seems like there are a few options: > > 1) remove or disable module A, then load module B. This leaves an > un-patched window and rmmod isn't possible without reliable backtrace. > I'm also not sure this works with the kpatch 'stacking'. > > 2) modify patch B such that any functions that are initially unchanged > from S, are in fact modified but modified in an acceptable way. > > 3) maybe the kernel can understand that are not added to or modified by > a cumulative patch should be reverted back to their original state? > > #3 seems to me to be the cleanest...but maybe I'm missing something...
Hi Jason, We don't have a mechanism for reverting patches, so #2 will probably be your best bet. -- Josh _______________________________________________ kpatch mailing list [email protected] https://www.redhat.com/mailman/listinfo/kpatch
