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2023-10-28block: simplify bdev_del_partition()Christian Brauner
BLKPG_DEL_PARTITION refuses to delete partitions that still have openers, i.e., that has an elevated @bdev->bd_openers count. If a device is claimed by setting @bdev->bd_holder and @bdev->bd_holder_ops @bdev->bd_openers and @bdev->bd_holders are incremented. @bdev->bd_openers is effectively guaranteed to be >= @bdev->bd_holders. So as long as @bdev->bd_openers isn't zero we know that this partition is still in active use and that there might still be @bdev->bd_holder and @bdev->bd_holder_ops set. The only current example is @fs_holder_ops for filesystems. But that means bdev_mark_dead() which calls into bdev->bd_holder_ops->mark_dead::fs_bdev_mark_dead() is a nop. As long as there's an elevated @bdev->bd_openers count we can't delete the partition and if there isn't an elevated @bdev->bd_openers count then there's no @bdev->bd_holder or @bdev->bd_holder_ops. So simply open-code what we need to do. This gets rid of one more instance where we acquire s_umount under @disk->open_mutex. Link: https://lore.kernel.org/r/20231016-fototermin-umriss-59f1ea6c1fe6@brauner Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Jan Kara <jack@suse.cz> Reviewed-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Christoph Hellwig <hch@lst.de> Link: https://lore.kernel.org/r/20231017184823.1383356-2-hch@lst.de Reviewed-by: Ming Lei <ming.lei@redhat.com> Signed-off-by: Christian Brauner <brauner@kernel.org>
2023-10-28fs: Avoid grabbing sb->s_umount under bdev->bd_holder_lockJan Kara
The implementation of bdev holder operations such as fs_bdev_mark_dead() and fs_bdev_sync() grab sb->s_umount semaphore under bdev->bd_holder_lock. This is problematic because it leads to disk->open_mutex -> sb->s_umount lock ordering which is counterintuitive (usually we grab higher level (e.g. filesystem) locks first and lower level (e.g. block layer) locks later) and indeed makes lockdep complain about possible locking cycles whenever we open a block device while holding sb->s_umount semaphore. Implement a function bdev_super_lock_shared() which safely transitions from holding bdev->bd_holder_lock to holding sb->s_umount on alive superblock without introducing the problematic lock dependency. We use this function fs_bdev_sync() and fs_bdev_mark_dead(). Signed-off-by: Jan Kara <jack@suse.cz> Link: https://lore.kernel.org/r/20231018152924.3858-1-jack@suse.cz Link: https://lore.kernel.org/r/20231017184823.1383356-1-hch@lst.de Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Christian Brauner <brauner@kernel.org>
2023-10-28jfs: fix log->bdev_handle null ptr deref in lbmStartIOLizhi Xu
When sbi->flag is JFS_NOINTEGRITY in lmLogOpen(), log->bdev_handle can't be inited, so it value will be NULL. Therefore, add the "log ->no_integrity=1" judgment in lbmStartIO() to avoid such problems. Reported-and-tested-by: syzbot+23bc20037854bb335d59@syzkaller.appspotmail.com Signed-off-by: Lizhi Xu <lizhi.xu@windriver.com> Link: https://lore.kernel.org/r/20231009094557.1398920-1-lizhi.xu@windriver.com Reviewed-by: Jan Kara <jack@suse.cz> Signed-off-by: Christian Brauner <brauner@kernel.org>
2023-10-28bcache: Fixup error handling in register_cache()Jan Kara
Coverity has noticed that the printing of error message in register_cache() uses already freed bdev_handle to get to bdev. In fact the problem has been there even before commit "bcache: Convert to bdev_open_by_path()" just a bit more subtle one - cache object itself could have been freed by the time we looked at ca->bdev and we don't hold any reference to bdev either so even that could in principle go away (due to device unplug or similar). Fix all these problems by printing the error message before closing the bdev. Fixes: dc893f51d24a ("bcache: Convert to bdev_open_by_path()") Signed-off-by: Jan Kara <jack@suse.cz> Link: https://lore.kernel.org/r/20231004093757.11560-1-jack@suse.cz Asked-by: Coly Li <colyli@suse.de> Signed-off-by: Christian Brauner <brauner@kernel.org>
2023-10-28xfs: Convert to bdev_open_by_path()Jan Kara
Convert xfs to use bdev_open_by_path() and pass the handle around. CC: "Darrick J. Wong" <djwong@kernel.org> CC: linux-xfs@vger.kernel.org Acked-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Christian Brauner <brauner@kernel.org> Signed-off-by: Jan Kara <jack@suse.cz> Link: https://lore.kernel.org/r/20230927093442.25915-28-jack@suse.cz Acked-by: "Darrick J. Wong" <djwong@kernel.org> Reviewed-by: "Darrick J. Wong" <djwong@kernel.org> Signed-off-by: Christian Brauner <brauner@kernel.org>
2023-10-28reiserfs: Convert to bdev_open_by_dev/path()Jan Kara
Convert reiserfs to use bdev_open_by_dev/path() and pass the handle around. CC: reiserfs-devel@vger.kernel.org Acked-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Christian Brauner <brauner@kernel.org> Signed-off-by: Jan Kara <jack@suse.cz> Link: https://lore.kernel.org/r/20230927093442.25915-27-jack@suse.cz Signed-off-by: Christian Brauner <brauner@kernel.org>
2023-10-28ocfs2: Convert to use bdev_open_by_dev()Jan Kara
Convert ocfs2 heartbeat code to use bdev_open_by_dev() and pass the handle around. CC: Joseph Qi <joseph.qi@linux.alibaba.com> CC: ocfs2-devel@oss.oracle.com Acked-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com> Reviewed-by: Christian Brauner <brauner@kernel.org> Signed-off-by: Jan Kara <jack@suse.cz> Link: https://lore.kernel.org/r/20230927093442.25915-26-jack@suse.cz Signed-off-by: Christian Brauner <brauner@kernel.org>
2023-10-28nfs/blocklayout: Convert to use bdev_open_by_dev/path()Jan Kara
Convert block device handling to use bdev_open_by_dev/path() and pass the handle around. CC: linux-nfs@vger.kernel.org CC: Trond Myklebust <trond.myklebust@hammerspace.com> CC: Anna Schumaker <anna@kernel.org> Acked-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Christian Brauner <brauner@kernel.org> Signed-off-by: Jan Kara <jack@suse.cz> Link: https://lore.kernel.org/r/20230927093442.25915-25-jack@suse.cz Signed-off-by: Christian Brauner <brauner@kernel.org>
2023-10-28jfs: Convert to bdev_open_by_dev()Jan Kara
Convert jfs to use bdev_open_by_dev() and pass the handle around. CC: Dave Kleikamp <shaggy@kernel.org> CC: jfs-discussion@lists.sourceforge.net Acked-by: Christoph Hellwig <hch@lst.de> Acked-by: Dave Kleikamp <dave.kleikamp@oracle.com> Reviewed-by: Christian Brauner <brauner@kernel.org> Signed-off-by: Jan Kara <jack@suse.cz> Link: https://lore.kernel.org/r/20230927093442.25915-24-jack@suse.cz Signed-off-by: Christian Brauner <brauner@kernel.org>
2023-10-28f2fs: Convert to bdev_open_by_dev/path()Jan Kara
Convert f2fs to use bdev_open_by_dev/path() and pass the handle around. CC: Jaegeuk Kim <jaegeuk@kernel.org> CC: Chao Yu <chao@kernel.org> CC: linux-f2fs-devel@lists.sourceforge.net Acked-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Christian Brauner <brauner@kernel.org> Signed-off-by: Jan Kara <jack@suse.cz> Link: https://lore.kernel.org/r/20230927093442.25915-23-jack@suse.cz Signed-off-by: Christian Brauner <brauner@kernel.org>
2023-10-28ext4: Convert to bdev_open_by_dev()Jan Kara
Convert ext4 to use bdev_open_by_dev() and pass the handle around. CC: linux-ext4@vger.kernel.org CC: Ted Tso <tytso@mit.edu> Acked-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Christian Brauner <brauner@kernel.org> Signed-off-by: Jan Kara <jack@suse.cz> Link: https://lore.kernel.org/r/20230927093442.25915-22-jack@suse.cz Signed-off-by: Christian Brauner <brauner@kernel.org>
2023-10-28erofs: Convert to use bdev_open_by_path()Jan Kara
Convert erofs to use bdev_open_by_path() and pass the handle around. CC: Gao Xiang <xiang@kernel.org> CC: Chao Yu <chao@kernel.org> CC: linux-erofs@lists.ozlabs.org Acked-by: Christoph Hellwig <hch@lst.de> Acked-by: Gao Xiang <hsiangkao@linux.alibaba.com> Reviewed-by: Christian Brauner <brauner@kernel.org> Signed-off-by: Jan Kara <jack@suse.cz> Link: https://lore.kernel.org/r/20230927093442.25915-21-jack@suse.cz Signed-off-by: Christian Brauner <brauner@kernel.org>
2023-10-28btrfs: Convert to bdev_open_by_path()Jan Kara
Convert btrfs to use bdev_open_by_path() and pass the handle around. We also drop the holder from struct btrfs_device as it is now not needed anymore. CC: David Sterba <dsterba@suse.com> CC: linux-btrfs@vger.kernel.org Acked-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Christian Brauner <brauner@kernel.org> Signed-off-by: Jan Kara <jack@suse.cz> Link: https://lore.kernel.org/r/20230927093442.25915-20-jack@suse.cz Signed-off-by: Christian Brauner <brauner@kernel.org>
2023-10-28fs: Convert to bdev_open_by_dev()Jan Kara
Convert mount code to use bdev_open_by_dev() and propagate the handle around to bdev_release(). Acked-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Christian Brauner <brauner@kernel.org> Signed-off-by: Jan Kara <jack@suse.cz> Link: https://lore.kernel.org/r/20230927093442.25915-19-jack@suse.cz Signed-off-by: Christian Brauner <brauner@kernel.org>
2023-10-28mm/swap: Convert to use bdev_open_by_dev()Jan Kara
Convert swapping code to use bdev_open_by_dev() and pass the handle around. CC: linux-mm@kvack.org CC: Andrew Morton <akpm@linux-foundation.org> Acked-by: Christoph Hellwig <hch@lst.de> Acked-by: Christian Brauner <brauner@kernel.org> Signed-off-by: Jan Kara <jack@suse.cz> Link: https://lore.kernel.org/r/20230927093442.25915-18-jack@suse.cz Signed-off-by: Christian Brauner <brauner@kernel.org>
2023-10-28PM: hibernate: Drop unused snapshot_test argumentJan Kara
snapshot_test argument is now unused in swsusp_close() and load_image_and_restore(). Drop it CC: linux-pm@vger.kernel.org Acked-by: Christoph Hellwig <hch@lst.de> Acked-by: "Rafael J. Wysocki" <rafael@kernel.org> Acked-by: Christian Brauner <brauner@kernel.org> Signed-off-by: Jan Kara <jack@suse.cz> Link: https://lore.kernel.org/r/20230927093442.25915-17-jack@suse.cz Signed-off-by: Christian Brauner <brauner@kernel.org>
2023-10-28PM: hibernate: Convert to bdev_open_by_dev()Jan Kara
Convert hibernation code to use bdev_open_by_dev(). CC: linux-pm@vger.kernel.org Acked-by: Christoph Hellwig <hch@lst.de> Acked-by: "Rafael J. Wysocki" <rafael@kernel.org> Acked-by: Christian Brauner <brauner@kernel.org> Signed-off-by: Jan Kara <jack@suse.cz> Link: https://lore.kernel.org/r/20230927093442.25915-16-jack@suse.cz Signed-off-by: Christian Brauner <brauner@kernel.org>
2023-10-28scsi: target: Convert to bdev_open_by_path()Jan Kara
Convert iblock and pscsi drivers to use bdev_open_by_path() and pass the handle around. CC: target-devel@vger.kernel.org CC: linux-scsi@vger.kernel.org Acked-by: Christoph Hellwig <hch@lst.de> Acked-by: Christian Brauner <brauner@kernel.org> Signed-off-by: Jan Kara <jack@suse.cz> Link: https://lore.kernel.org/r/20230927093442.25915-15-jack@suse.cz Reviewed-by: "Martin K. Petersen" <martin.petersen@oracle.com> Signed-off-by: Christian Brauner <brauner@kernel.org>
2023-10-28s390/dasd: Convert to bdev_open_by_path()Jan Kara
Convert dasd to use bdev_open_by_path() and pass the handle around. CC: linux-s390@vger.kernel.org CC: Christian Borntraeger <borntraeger@linux.ibm.com> CC: Sven Schnelle <svens@linux.ibm.com> Acked-by: Christoph Hellwig <hch@lst.de> Acked-by: Christian Brauner <brauner@kernel.org> Signed-off-by: Jan Kara <jack@suse.cz> Link: https://lore.kernel.org/r/20230927093442.25915-14-jack@suse.cz Signed-off-by: Christian Brauner <brauner@kernel.org>
2023-10-28nvmet: Convert to bdev_open_by_path()Jan Kara
Convert nvmet to use bdev_open_by_path() and pass the handle around. CC: linux-nvme@lists.infradead.org Acked-by: Christoph Hellwig <hch@lst.de> Acked-by: Christian Brauner <brauner@kernel.org> Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com> Signed-off-by: Jan Kara <jack@suse.cz> Link: https://lore.kernel.org/r/20230927093442.25915-13-jack@suse.cz Signed-off-by: Christian Brauner <brauner@kernel.org>
2023-10-28mtd: block2mtd: Convert to bdev_open_by_dev/path()Jan Kara
Convert block2mtd to use bdev_open_by_dev() and bdev_open_by_path() and pass the handle around. CC: Joern Engel <joern@lazybastard.org> CC: linux-mtd@lists.infradead.org Acked-by: Christoph Hellwig <hch@lst.de> Acked-by: Christian Brauner <brauner@kernel.org> Signed-off-by: Jan Kara <jack@suse.cz> Link: https://lore.kernel.org/r/20230927093442.25915-12-jack@suse.cz Signed-off-by: Christian Brauner <brauner@kernel.org>
2023-10-28md: Convert to bdev_open_by_dev()Jan Kara
Convert md to use bdev_open_by_dev() and pass the handle around. We also don't need the 'Holder' flag anymore so remove it. CC: linux-raid@vger.kernel.org CC: Song Liu <song@kernel.org> Acked-by: Song Liu <song@kernel.org> Acked-by: Christoph Hellwig <hch@lst.de> Acked-by: Christian Brauner <brauner@kernel.org> Signed-off-by: Jan Kara <jack@suse.cz> Link: https://lore.kernel.org/r/20230927093442.25915-11-jack@suse.cz Signed-off-by: Christian Brauner <brauner@kernel.org>
2023-10-28dm: Convert to bdev_open_by_dev()Jan Kara
Convert device mapper to use bdev_open_by_dev() and pass the handle around. CC: Alasdair Kergon <agk@redhat.com> CC: Mike Snitzer <snitzer@kernel.org> CC: dm-devel@redhat.com Acked-by: Christoph Hellwig <hch@lst.de> Acked-by: Christian Brauner <brauner@kernel.org> Signed-off-by: Jan Kara <jack@suse.cz> Link: https://lore.kernel.org/r/20230927093442.25915-10-jack@suse.cz Signed-off-by: Christian Brauner <brauner@kernel.org>
2023-10-28bcache: Convert to bdev_open_by_path()Jan Kara
Convert bcache to use bdev_open_by_path() and pass the handle around. CC: linux-bcache@vger.kernel.org CC: Coly Li <colyli@suse.de> CC: Kent Overstreet <kent.overstreet@gmail.com> Acked-by: Christoph Hellwig <hch@lst.de> Acked-by: Christian Brauner <brauner@kernel.org> Acked-by: Coly Li <colyli@suse.de> Signed-off-by: Jan Kara <jack@suse.cz> Link: https://lore.kernel.org/r/20230927093442.25915-9-jack@suse.cz Signed-off-by: Christian Brauner <brauner@kernel.org>
2023-10-28zram: Convert to use bdev_open_by_dev()Jan Kara
Convert zram to use bdev_open_by_dev() and pass the handle around. CC: Minchan Kim <minchan@kernel.org> CC: Sergey Senozhatsky <senozhatsky@chromium.org> Acked-by: Christoph Hellwig <hch@lst.de> Acked-by: Christian Brauner <brauner@kernel.org> Reviewed-by: Sergey Senozhatsky <senozhatsky@chromium.org> Signed-off-by: Jan Kara <jack@suse.cz> Link: https://lore.kernel.org/r/20230927093442.25915-8-jack@suse.cz Signed-off-by: Christian Brauner <brauner@kernel.org>
2023-10-28xen/blkback: Convert to bdev_open_by_dev()Jan Kara
Convert xen/blkback to use bdev_open_by_dev() and pass the handle around. CC: xen-devel@lists.xenproject.org Acked-by: Christoph Hellwig <hch@lst.de> Acked-by: Christian Brauner <brauner@kernel.org> Signed-off-by: Jan Kara <jack@suse.cz> Link: https://lore.kernel.org/r/20230927093442.25915-7-jack@suse.cz Signed-off-by: Christian Brauner <brauner@kernel.org>
2023-10-28rnbd-srv: Convert to use bdev_open_by_path()Jan Kara
Convert rnbd-srv to use bdev_open_by_path() and pass the handle around. CC: Jack Wang <jinpu.wang@ionos.com> CC: "Md. Haris Iqbal" <haris.iqbal@ionos.com> Acked-by: "Md. Haris Iqbal" <haris.iqbal@ionos.com> Acked-by: Christoph Hellwig <hch@lst.de> Acked-by: Christian Brauner <brauner@kernel.org> Signed-off-by: Jan Kara <jack@suse.cz> Link: https://lore.kernel.org/r/20230927093442.25915-6-jack@suse.cz Signed-off-by: Christian Brauner <brauner@kernel.org>
2023-10-28pktcdvd: Convert to bdev_open_by_dev()Jan Kara
Convert pktcdvd to use bdev_open_by_dev(). Acked-by: Christoph Hellwig <hch@lst.de> Acked-by: Christian Brauner <brauner@kernel.org> Signed-off-by: Jan Kara <jack@suse.cz> Link: https://lore.kernel.org/r/20230927093442.25915-5-jack@suse.cz Signed-off-by: Christian Brauner <brauner@kernel.org>
2023-10-28drdb: Convert to use bdev_open_by_path()Jan Kara
Convert drdb to use bdev_open_by_path(). CC: drbd-dev@lists.linbit.com Acked-by: Christoph Hellwig <hch@lst.de> Acked-by: Christian Brauner <brauner@kernel.org> Signed-off-by: Jan Kara <jack@suse.cz> Link: https://lore.kernel.org/r/20230927093442.25915-4-jack@suse.cz Signed-off-by: Christian Brauner <brauner@kernel.org>
2023-10-28block: Use bdev_open_by_dev() in disk_scan_partitions() and blkdev_bszset()Jan Kara
Convert disk_scan_partitions() and blkdev_bszset() to use bdev_open_by_dev(). Acked-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Christian Brauner <brauner@kernel.org> Signed-off-by: Jan Kara <jack@suse.cz> Link: https://lore.kernel.org/r/20230927093442.25915-3-jack@suse.cz Signed-off-by: Christian Brauner <brauner@kernel.org>
2023-10-28block: Use bdev_open_by_dev() in blkdev_open()Jan Kara
Convert blkdev_open() to use bdev_open_by_dev(). To be able to propagate handle from blkdev_open() to blkdev_release() we need to stop using existence of file->private_data to determine exclusive block device opens. Use bdev_handle->mode for this purpose since file->f_flags isn't usable for this (O_EXCL is cleared from the flags during open). Acked-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Christian Brauner <brauner@kernel.org> Signed-off-by: Jan Kara <jack@suse.cz> Link: https://lore.kernel.org/r/20230927093442.25915-2-jack@suse.cz Signed-off-by: Christian Brauner <brauner@kernel.org>
2023-10-28block: Provide bdev_open_* functionsJan Kara
Create struct bdev_handle that contains all parameters that need to be passed to blkdev_put() and provide bdev_open_* functions that return this structure instead of plain bdev pointer. This will eventually allow us to pass one more argument to blkdev_put() (renamed to bdev_release()) without too much hassle. Acked-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Christian Brauner <brauner@kernel.org> Signed-off-by: Jan Kara <jack@suse.cz> Link: https://lore.kernel.org/r/20230927093442.25915-1-jack@suse.cz Signed-off-by: Christian Brauner <brauner@kernel.org>
2023-10-28net: fill in MODULE_DESCRIPTION()s under drivers/net/Jakub Kicinski
W=1 builds now warn if module is built without a MODULE_DESCRIPTION(). Acked-by: Willem de Bruijn <willemb@google.com> Acked-by: Jamal Hadi Salim <jhs@mojatatu.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Jason Wang <jasowang@redhat.com> Acked-by: Taehee Yoo <ap420073@gmail.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-10-28net: fill in MODULE_DESCRIPTION()s under net/802*Jakub Kicinski
W=1 builds now warn if module is built without a MODULE_DESCRIPTION(). Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-10-28net: fill in MODULE_DESCRIPTION()s under net/coreJakub Kicinski
W=1 builds now warn if module is built without a MODULE_DESCRIPTION(). Reviewed-by: Oleksij Rempel <o.rempel@pengutronix.de> Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-10-28net: fill in MODULE_DESCRIPTION()s in kuba@'s modulesJakub Kicinski
W=1 builds now warn if module is built without a MODULE_DESCRIPTION(). Fill it in for the modules I maintain. Acked-by: Kalle Valo <kvalo@kernel.org> Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-10-28usb: gadget: uvc: Add missing initialization of ssp config descriptorShuzhen Wang
In case the uvc gadget is super speed plus, the corresponding config descriptor wasn't initialized. As a result, the host will not recognize the devices when using super speed plus connection. This patch initializes them to super speed descriptors. Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Shuzhen Wang <shuzhenwang@google.com> Link: https://lore.kernel.org/r/20231027183440.1994315-1-shuzhenwang@google.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-10-28usb: storage: set 1.50 as the lower bcdDevice for older "Super Top" ↵LihaSika
compatibility Change lower bcdDevice value for "Super Top USB 2.0 SATA BRIDGE" to match 1.50. I have such an older device with bcdDevice=1.50 and it will not work otherwise. Cc: stable@vger.kernel.org Signed-off-by: Liha Sikanen <lihasika@gmail.com> Link: https://lore.kernel.org/r/ccf7d12a-8362-4916-b3e0-f4150f54affd@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-10-28perf vendor events intel: Update tsx_cycles_per_elision metricsIan Rogers
Update tsx_cycles_per_elision as per: https://github.com/intel/perfmon/pull/116 Prefer the el-start event rather than cycles-t for detecting whether the metric will work as HLE may be disabled. Remove the metric from sapphirerapids that has no el-start event. Signed-off-by: Ian Rogers <irogers@google.com> Reviewed-by: Kan Liang <kan.liang@linux.intel.com> Cc: Alexandre Torgue <alexandre.torgue@foss.st.com> Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com> Cc: Edward Baker <edward.baker@intel.com> Cc: Zhengjun Xing <zhengjun.xing@linux.intel.com> Link: https://lore.kernel.org/r/20231026003149.3287633-9-irogers@google.com Signed-off-by: Namhyung Kim <namhyung@kernel.org>
2023-10-28perf vendor events intel: Update bonnell version number to v5Ian Rogers
Spelling fixes were already incorporated in the Linux perf tree, update the version number to reflect this. Signed-off-by: Ian Rogers <irogers@google.com> Reviewed-by: Kan Liang <kan.liang@linux.intel.com> Cc: Alexandre Torgue <alexandre.torgue@foss.st.com> Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com> Cc: Edward Baker <edward.baker@intel.com> Cc: Zhengjun Xing <zhengjun.xing@linux.intel.com> Link: https://lore.kernel.org/r/20231026003149.3287633-8-irogers@google.com Signed-off-by: Namhyung Kim <namhyung@kernel.org>
2023-10-28perf vendor events intel: Update westmereex events to v4Ian Rogers
Update westmereex events from v3 to v4 fixing a spelling issue. Signed-off-by: Ian Rogers <irogers@google.com> Reviewed-by: Kan Liang <kan.liang@linux.intel.com> Cc: Alexandre Torgue <alexandre.torgue@foss.st.com> Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com> Cc: Edward Baker <edward.baker@intel.com> Cc: Zhengjun Xing <zhengjun.xing@linux.intel.com> Link: https://lore.kernel.org/r/20231026003149.3287633-7-irogers@google.com Signed-off-by: Namhyung Kim <namhyung@kernel.org>
2023-10-28perf vendor events intel: Update meteorlake events to v1.06Ian Rogers
Update meteorlake from v1.04 to v1.06 adding the changes from: https://github.com/intel/perfmon/commit/bc84df043091ec7c98c0629f3d074d9d7a108194 https://github.com/intel/perfmon/commit/405d3ee987d756b5b5d9a64d8a8fa77559822ecf Signed-off-by: Ian Rogers <irogers@google.com> Reviewed-by: Kan Liang <kan.liang@linux.intel.com> Cc: Alexandre Torgue <alexandre.torgue@foss.st.com> Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com> Cc: Edward Baker <edward.baker@intel.com> Cc: Zhengjun Xing <zhengjun.xing@linux.intel.com> Link: https://lore.kernel.org/r/20231026003149.3287633-6-irogers@google.com Signed-off-by: Namhyung Kim <namhyung@kernel.org>
2023-10-28perf vendor events intel: Update knightslanding events to v16Ian Rogers
Update knightslanding from v10 to v16 adding the changes from: https://github.com/intel/perfmon/commit/6c1f169f6ed63ee1fd75ebb303d0fd06d71196f5 https://github.com/intel/perfmon/commit/b22ca587ec8b5ac20471ea2f14924f63e63afe9d https://github.com/intel/perfmon/commit/e685286f083ee81cb7dafd0cd8546c79ee433187 Signed-off-by: Ian Rogers <irogers@google.com> Reviewed-by: Kan Liang <kan.liang@linux.intel.com> Cc: Alexandre Torgue <alexandre.torgue@foss.st.com> Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com> Cc: Edward Baker <edward.baker@intel.com> Cc: Zhengjun Xing <zhengjun.xing@linux.intel.com> Link: https://lore.kernel.org/r/20231026003149.3287633-5-irogers@google.com Signed-off-by: Namhyung Kim <namhyung@kernel.org>
2023-10-28perf vendor events intel: Add typo fix for ivybridge FPIan Rogers
Add a missed space. Signed-off-by: Ian Rogers <irogers@google.com> Reviewed-by: Kan Liang <kan.liang@linux.intel.com> Cc: Alexandre Torgue <alexandre.torgue@foss.st.com> Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com> Cc: Edward Baker <edward.baker@intel.com> Cc: Zhengjun Xing <zhengjun.xing@linux.intel.com> Link: https://lore.kernel.org/r/20231026003149.3287633-4-irogers@google.com Signed-off-by: Namhyung Kim <namhyung@kernel.org>
2023-10-28perf vendor events intel: Update a spelling in haswell/haswellxIan Rogers
The spelling of "in-flight" was switched to "inflight". Signed-off-by: Ian Rogers <irogers@google.com> Reviewed-by: Kan Liang <kan.liang@linux.intel.com> Cc: Alexandre Torgue <alexandre.torgue@foss.st.com> Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com> Cc: Edward Baker <edward.baker@intel.com> Cc: Zhengjun Xing <zhengjun.xing@linux.intel.com> Link: https://lore.kernel.org/r/20231026003149.3287633-3-irogers@google.com Signed-off-by: Namhyung Kim <namhyung@kernel.org>
2023-10-28perf vendor events intel: Update emeraldrapids to v1.01Ian Rogers
Update emeraldrapids to v1.01 from v1.00 adding the changes from: https://github.com/intel/perfmon/commit/3993b600e032a9fd443ffd828aab73de7cb167e5 Signed-off-by: Ian Rogers <irogers@google.com> Reviewed-by: Kan Liang <kan.liang@linux.intel.com> Cc: Alexandre Torgue <alexandre.torgue@foss.st.com> Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com> Cc: Edward Baker <edward.baker@intel.com> Cc: Zhengjun Xing <zhengjun.xing@linux.intel.com> Link: https://lore.kernel.org/r/20231026003149.3287633-2-irogers@google.com Signed-off-by: Namhyung Kim <namhyung@kernel.org>
2023-10-28perf vendor events intel: Update alderlake/alderlake events to v1.23Ian Rogers
Update alderlake and alderlaken events from v1.21 to v1.23 adding the changes from: https://github.com/intel/perfmon/commit/8df4db9433a2aab59dbbac1a70281032d1af7734 https://github.com/intel/perfmon/commit/846bd247c6e04acc572ca56c992e9e65852bbe63 The tsx_cycles_per_elision metric is updated from PR: https://github.com/intel/perfmon/pull/116 Signed-off-by: Ian Rogers <irogers@google.com> Reviewed-by: Kan Liang <kan.liang@linux.intel.com> Cc: Alexandre Torgue <alexandre.torgue@foss.st.com> Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com> Cc: Edward Baker <edward.baker@intel.com> Cc: Zhengjun Xing <zhengjun.xing@linux.intel.com> Link: https://lore.kernel.org/r/20231026003149.3287633-1-irogers@google.com Signed-off-by: Namhyung Kim <namhyung@kernel.org>
2023-10-27acpi: Move common tables helper functions to common libDave Jiang
Some of the routines in ACPI driver/acpi/tables.c can be shared with parsing CDAT. CDAT is a device-provided data structure that is formatted similar to a platform provided ACPI table. CDAT is used by CXL and can exist on platforms that do not use ACPI. Split out the common routine from ACPI to accommodate platforms that do not support ACPI and move that to /lib. The common routines can be built outside of ACPI if FIRMWARE_TABLES is selected. Link: https://lore.kernel.org/linux-cxl/CAJZ5v0jipbtTNnsA0-o5ozOk8ZgWnOg34m34a9pPenTyRLj=6A@mail.gmail.com/ Suggested-by: "Rafael J. Wysocki" <rafael@kernel.org> Reviewed-by: Hanjun Guo <guohanjun@huawei.com> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Signed-off-by: Dave Jiang <dave.jiang@intel.com> Acked-by: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com> Link: https://lore.kernel.org/r/169713683430.2205276.17899451119920103445.stgit@djiang5-mobl3 Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2023-10-27cxl: Add support for reading CXL switch CDAT tableDave Jiang
Add read_cdat_data() call in cxl_switch_port_probe() to allow reading of CDAT data for CXL switches. read_cdat_data() needs to be adjusted for the retrieving of the PCIe device depending on if the passed in port is endpoint or switch. Reviewed-by: Davidlohr Bueso <dave@stgolabs.net> Reviewed-by: Ira Weiny <ira.weiny@intel.com> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Signed-off-by: Dave Jiang <dave.jiang@intel.com> Link: https://lore.kernel.org/r/169713682855.2205276.6418370379144967443.stgit@djiang5-mobl3 Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2023-10-27cxl: Add checksum verification to CDAT from CXLDave Jiang
A CDAT table is available from a CXL device. The table is read by the driver and cached in software. With the CXL subsystem needing to parse the CDAT table, the checksum should be verified. Add checksum verification after the CDAT table is read from device. Reviewed-by: Ira Weiny <ira.weiny@intel.com> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Reviewed-by: Davidlohr Bueso <dave@stgolabs.net> Signed-off-by: Dave Jiang <dave.jiang@intel.com> Link: https://lore.kernel.org/r/169713682277.2205276.2687265961314933628.stgit@djiang5-mobl3 Signed-off-by: Dan Williams <dan.j.williams@intel.com>