Re: [mainline][BUG][PPC][btrfs][bisected 00801a] kernel BUG at fs/btrfs/locking.c:71!

2019-09-11 Thread Nikolay Borisov
On 11.09.19 г. 11:00 ч., Abdul Haleem wrote: > On Tue, 2019-09-03 at 13:39 +0300, Nikolay Borisov wrote: >> >> corresponds to? > > btrfs_search_slot+0x8e8/0xb80 maps to fs/btrfs/ctree.c:2751 > write_lock_level = BTRFS_MAX_LEVEL; That doesn'

Re: [mainline][BUG][PPC][btrfs][bisected 00801a] kernel BUG at fs/btrfs/locking.c:71!

2019-09-03 Thread Nikolay Borisov
239ac5f4b536094 > Author: David Sterba > Date: Thu May 2 16:53:47 2019 +0200 > > btrfs: switch extent_buffer write_locks from atomic to int > > The write_locks is either 0 or 1 and always updated under the lock, > so we don't need the atomic_t semanti

Re: [PATCH v2] btrfs: fix allocation of bitmap pages.

2019-08-26 Thread Nikolay Borisov
On 26.08.19 г. 18:37 ч., David Sterba wrote: > On Wed, Aug 21, 2019 at 03:05:55PM +, Christophe Leroy wrote: >> Various notifications of type "BUG kmalloc-4096 () : Redzone >> overwritten" have been observed recently in various parts of >> the kernel. After some time, it has been made a

Re: [PATCH] livepatch: Add some basic LivePatch documentation

2016-03-09 Thread Nikolay Borisov
r the patch > +is rejected when the handler is already in use by the other. > + > + > + + Kprobes in the original function are ignored when the code is redirected > +to the new implementation. > + > +There is a work in progress to add warnings about this situations. > diff --git a/MAINTAINERS b/MAINTAINERS > index 4029c63d8a7d..0e7049688862 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -6590,6 +6590,7 @@ F: kernel/livepatch/ > F: include/linux/livepatch.h > F: arch/x86/include/asm/livepatch.h > F: arch/x86/kernel/livepatch.c > +F: Documentation/livepatch/ > F: Documentation/ABI/testing/sysfs-kernel-livepatch > F: samples/livepatch/ > L: live-patch...@vger.kernel.org > It's a good starting point. Hopefully a bit of tweaking will make it even more friendly to newcomers of livepatching (I have read the sources but I'm in no way VERY familiar with it). I'm especially interested in the relocation and current consistency model documentation. Reviewed-by: Nikolay Borisov <ker...@kyup.com> ___ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev