On 2020-06-16 14:45:03 [+0200], To Thomas Gleixner wrote: > Dear RT folks! > > I'm pleased to announce the v5.6.17-rt10 patch set. > > Changes since v5.6.17-rt9: > > - Add the seqcount series by Ahmed S. Darwish. > The series annotates the lock protecting the struct seqcount against > multiple writer. In RT the lock annotation can be utilized to block > on in case the writer is active. This is the same technique that is > used now but we can avoid replacing the seqcount with a seqlock and > have code that is closer to mainline. > > As part of the integration I dropped seqcount replacements which > are no longer needed, like in NFS or vfs. > > - Added down_read_non_owner() for RT. There is no owner tracking since > we allow multiple reader locking on struct rw_semaphore. This > removes on patch from the NFS subsystem and allows to enable bcache. > > - Drop the lock raw_spinlock_t from struct hlist_bl_head. The struct > hlist_bl_head uses bit_spin_lock() for locking so we are still > spinning. > > Known issues > - It has been pointed out that due to changes to the printk code the > internal buffer representation changed. This is only an issue if tools > like `crash' are used to extract the printk buffer from a kernel memory > image. > > The delta patch against v5.6.17-rt9 is appended below and can be found here: > > https://cdn.kernel.org/pub/linux/kernel/projects/rt/5.6/incr/patch-5.6.17-rt9-rt10.patch.xz > > You can get this release via the git tree at: > > git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git v5.6.17-rt10 > > The RT patch against v5.6.17 can be found here: > > https://cdn.kernel.org/pub/linux/kernel/projects/rt/5.6/older/patch-5.6.17-rt10.patch.xz > > The split quilt queue is available at: > > https://cdn.kernel.org/pub/linux/kernel/projects/rt/5.6/older/patches-5.6.17-rt10.tar.xz Again without the delta diff since the email was too huge. It can be still look on at https://git.kernel.org/rt/linux-rt-devel/d/v5.6.17-rt10/v5.6.17-rt9 Sebastian
