November 2023 - Linux-stable-mirror

FAILED: patch "[PATCH] block: Don't invalidate pagecache for invalid falloc modes" failed to apply to 5.15-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 5.15-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.15.y git checkout FETCH_HEAD git cherry-pick -x 1364a3c391aedfeb32aa025303ead3d7c91cdf9d # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2023101512-hurt-guise-534b@gregkh' --subject-prefix 'PATCH 5.15.y' HEAD^.. Possible dependencies: 1364a3c391ae ("block: Don't invalidate pagecache for invalid falloc modes") 05bdb9965305 ("block: replace fmode_t with a block-specific type for block open flags") 5e4ea834676e ("block: remove unused fmode_t arguments from ioctl handlers") cfb425761c79 ("block: move a few internal definitions out of blkdev.h") 99b07780814e ("rnbd-srv: replace sess->open_flags with a "bool readonly"") 658afed19cee ("mtd: block: use a simple bool to track open for write") 7d9d7d59d44b ("nvme: replace the fmode_t argument to the nvme ioctl handlers with a simple bool") 2e80089c1824 ("scsi: replace the fmode_t argument to scsi_ioctl with a simple bool") 5f4eb9d5413f ("scsi: replace the fmode_t argument to scsi_cmd_allowed with a simple bool") 81b1fb7d17c0 ("fs: remove sb->s_mode") 3f0b3e785e8b ("block: add a sb_open_mode helper") 2736e8eeb0cc ("block: use the holder as indication for exclusive opens") 2ef789288afd ("btrfs: don't pass a holder for non-exclusive blkdev_get_by_path") 29499ab060fe ("bcache: don't pass a stack address to blkdev_get_by_path") c889d0793d9d ("swsusp: don't pass a stack address to blkdev_get_by_path") ae220766d87c ("block: remove the unused mode argument to ->release") d32e2bf83791 ("block: pass a gendisk to ->open") 444aa2c58cb3 ("block: pass a gendisk on bdev_check_media_change") 7ae24fcee992 ("cdrom: remove the unused mode argument to cdrom_release") 473399b50de1 ("cdrom: remove the unused mode argument to cdrom_ioctl") thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 1364a3c391aedfeb32aa025303ead3d7c91cdf9d Mon Sep 17 00:00:00 2001 From: Sarthak Kukreti <sarthakkukreti(a)chromium.org> Date: Wed, 11 Oct 2023 13:12:30 -0700 Subject: [PATCH] block: Don't invalidate pagecache for invalid falloc modes Only call truncate_bdev_range() if the fallocate mode is supported. This fixes a bug where data in the pagecache could be invalidated if the fallocate() was called on the block device with an invalid mode. Fixes: 25f4c41415e5 ("block: implement (some of) fallocate for block devices") Cc: stable(a)vger.kernel.org Reported-by: "Darrick J. Wong" <djwong(a)kernel.org> Signed-off-by: Sarthak Kukreti <sarthakkukreti(a)chromium.org> Reviewed-by: Christoph Hellwig <hch(a)lst.de> Reviewed-by: "Darrick J. Wong" <djwong(a)kernel.org> Signed-off-by: Mike Snitzer <snitzer(a)kernel.org> Fixes: line? I've never seen those wrapped. Link: https://lore.kernel.org/r/20231011201230.750105-1-sarthakkukreti@chromium.o… Signed-off-by: Jens Axboe <axboe(a)kernel.dk> diff --git a/block/fops.c b/block/fops.c index acff3d5d22d4..73e42742543f 100644 --- a/block/fops.c +++ b/block/fops.c @@ -772,24 +772,35 @@ static long blkdev_fallocate(struct file *file, int mode, loff_t start, filemap_invalidate_lock(inode->i_mapping); - /* Invalidate the page cache, including dirty pages. */ - error = truncate_bdev_range(bdev, file_to_blk_mode(file), start, end); - if (error) - goto fail; - + /* + * Invalidate the page cache, including dirty pages, for valid + * de-allocate mode calls to fallocate(). + */ switch (mode) { case FALLOC_FL_ZERO_RANGE: case FALLOC_FL_ZERO_RANGE | FALLOC_FL_KEEP_SIZE: + error = truncate_bdev_range(bdev, file_to_blk_mode(file), start, end); + if (error) + goto fail; + error = blkdev_issue_zeroout(bdev, start >> SECTOR_SHIFT, len >> SECTOR_SHIFT, GFP_KERNEL, BLKDEV_ZERO_NOUNMAP); break; case FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE: + error = truncate_bdev_range(bdev, file_to_blk_mode(file), start, end); + if (error) + goto fail; + error = blkdev_issue_zeroout(bdev, start >> SECTOR_SHIFT, len >> SECTOR_SHIFT, GFP_KERNEL, BLKDEV_ZERO_NOFALLBACK); break; case FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE | FALLOC_FL_NO_HIDE_STALE: + error = truncate_bdev_range(bdev, file_to_blk_mode(file), start, end); + if (error) + goto fail; + error = blkdev_issue_discard(bdev, start >> SECTOR_SHIFT, len >> SECTOR_SHIFT, GFP_KERNEL); break;

4 months

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FAILED: patch "[PATCH] block: Don't invalidate pagecache for invalid falloc modes" failed to apply to 5.10-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 5.10-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.10.y git checkout FETCH_HEAD git cherry-pick -x 1364a3c391aedfeb32aa025303ead3d7c91cdf9d # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2023101513-depraved-ecosphere-6b50@gregkh' --subject-prefix 'PATCH 5.10.y' HEAD^.. Possible dependencies: 1364a3c391ae ("block: Don't invalidate pagecache for invalid falloc modes") 05bdb9965305 ("block: replace fmode_t with a block-specific type for block open flags") 5e4ea834676e ("block: remove unused fmode_t arguments from ioctl handlers") cfb425761c79 ("block: move a few internal definitions out of blkdev.h") 99b07780814e ("rnbd-srv: replace sess->open_flags with a "bool readonly"") 658afed19cee ("mtd: block: use a simple bool to track open for write") 7d9d7d59d44b ("nvme: replace the fmode_t argument to the nvme ioctl handlers with a simple bool") 2e80089c1824 ("scsi: replace the fmode_t argument to scsi_ioctl with a simple bool") 5f4eb9d5413f ("scsi: replace the fmode_t argument to scsi_cmd_allowed with a simple bool") 81b1fb7d17c0 ("fs: remove sb->s_mode") 3f0b3e785e8b ("block: add a sb_open_mode helper") 2736e8eeb0cc ("block: use the holder as indication for exclusive opens") 2ef789288afd ("btrfs: don't pass a holder for non-exclusive blkdev_get_by_path") 29499ab060fe ("bcache: don't pass a stack address to blkdev_get_by_path") c889d0793d9d ("swsusp: don't pass a stack address to blkdev_get_by_path") ae220766d87c ("block: remove the unused mode argument to ->release") d32e2bf83791 ("block: pass a gendisk to ->open") 444aa2c58cb3 ("block: pass a gendisk on bdev_check_media_change") 7ae24fcee992 ("cdrom: remove the unused mode argument to cdrom_release") 473399b50de1 ("cdrom: remove the unused mode argument to cdrom_ioctl") thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 1364a3c391aedfeb32aa025303ead3d7c91cdf9d Mon Sep 17 00:00:00 2001 From: Sarthak Kukreti <sarthakkukreti(a)chromium.org> Date: Wed, 11 Oct 2023 13:12:30 -0700 Subject: [PATCH] block: Don't invalidate pagecache for invalid falloc modes Only call truncate_bdev_range() if the fallocate mode is supported. This fixes a bug where data in the pagecache could be invalidated if the fallocate() was called on the block device with an invalid mode. Fixes: 25f4c41415e5 ("block: implement (some of) fallocate for block devices") Cc: stable(a)vger.kernel.org Reported-by: "Darrick J. Wong" <djwong(a)kernel.org> Signed-off-by: Sarthak Kukreti <sarthakkukreti(a)chromium.org> Reviewed-by: Christoph Hellwig <hch(a)lst.de> Reviewed-by: "Darrick J. Wong" <djwong(a)kernel.org> Signed-off-by: Mike Snitzer <snitzer(a)kernel.org> Fixes: line? I've never seen those wrapped. Link: https://lore.kernel.org/r/20231011201230.750105-1-sarthakkukreti@chromium.o… Signed-off-by: Jens Axboe <axboe(a)kernel.dk> diff --git a/block/fops.c b/block/fops.c index acff3d5d22d4..73e42742543f 100644 --- a/block/fops.c +++ b/block/fops.c @@ -772,24 +772,35 @@ static long blkdev_fallocate(struct file *file, int mode, loff_t start, filemap_invalidate_lock(inode->i_mapping); - /* Invalidate the page cache, including dirty pages. */ - error = truncate_bdev_range(bdev, file_to_blk_mode(file), start, end); - if (error) - goto fail; - + /* + * Invalidate the page cache, including dirty pages, for valid + * de-allocate mode calls to fallocate(). + */ switch (mode) { case FALLOC_FL_ZERO_RANGE: case FALLOC_FL_ZERO_RANGE | FALLOC_FL_KEEP_SIZE: + error = truncate_bdev_range(bdev, file_to_blk_mode(file), start, end); + if (error) + goto fail; + error = blkdev_issue_zeroout(bdev, start >> SECTOR_SHIFT, len >> SECTOR_SHIFT, GFP_KERNEL, BLKDEV_ZERO_NOUNMAP); break; case FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE: + error = truncate_bdev_range(bdev, file_to_blk_mode(file), start, end); + if (error) + goto fail; + error = blkdev_issue_zeroout(bdev, start >> SECTOR_SHIFT, len >> SECTOR_SHIFT, GFP_KERNEL, BLKDEV_ZERO_NOFALLBACK); break; case FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE | FALLOC_FL_NO_HIDE_STALE: + error = truncate_bdev_range(bdev, file_to_blk_mode(file), start, end); + if (error) + goto fail; + error = blkdev_issue_discard(bdev, start >> SECTOR_SHIFT, len >> SECTOR_SHIFT, GFP_KERNEL); break;

4 months

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FAILED: patch "[PATCH] block: Don't invalidate pagecache for invalid falloc modes" failed to apply to 5.4-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 5.4-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.4.y git checkout FETCH_HEAD git cherry-pick -x 1364a3c391aedfeb32aa025303ead3d7c91cdf9d # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2023101515-buffing-copy-1686@gregkh' --subject-prefix 'PATCH 5.4.y' HEAD^.. Possible dependencies: 1364a3c391ae ("block: Don't invalidate pagecache for invalid falloc modes") 05bdb9965305 ("block: replace fmode_t with a block-specific type for block open flags") 5e4ea834676e ("block: remove unused fmode_t arguments from ioctl handlers") cfb425761c79 ("block: move a few internal definitions out of blkdev.h") 99b07780814e ("rnbd-srv: replace sess->open_flags with a "bool readonly"") 658afed19cee ("mtd: block: use a simple bool to track open for write") 7d9d7d59d44b ("nvme: replace the fmode_t argument to the nvme ioctl handlers with a simple bool") 2e80089c1824 ("scsi: replace the fmode_t argument to scsi_ioctl with a simple bool") 5f4eb9d5413f ("scsi: replace the fmode_t argument to scsi_cmd_allowed with a simple bool") 81b1fb7d17c0 ("fs: remove sb->s_mode") 3f0b3e785e8b ("block: add a sb_open_mode helper") 2736e8eeb0cc ("block: use the holder as indication for exclusive opens") 2ef789288afd ("btrfs: don't pass a holder for non-exclusive blkdev_get_by_path") 29499ab060fe ("bcache: don't pass a stack address to blkdev_get_by_path") c889d0793d9d ("swsusp: don't pass a stack address to blkdev_get_by_path") ae220766d87c ("block: remove the unused mode argument to ->release") d32e2bf83791 ("block: pass a gendisk to ->open") 444aa2c58cb3 ("block: pass a gendisk on bdev_check_media_change") 7ae24fcee992 ("cdrom: remove the unused mode argument to cdrom_release") 473399b50de1 ("cdrom: remove the unused mode argument to cdrom_ioctl") thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 1364a3c391aedfeb32aa025303ead3d7c91cdf9d Mon Sep 17 00:00:00 2001 From: Sarthak Kukreti <sarthakkukreti(a)chromium.org> Date: Wed, 11 Oct 2023 13:12:30 -0700 Subject: [PATCH] block: Don't invalidate pagecache for invalid falloc modes Only call truncate_bdev_range() if the fallocate mode is supported. This fixes a bug where data in the pagecache could be invalidated if the fallocate() was called on the block device with an invalid mode. Fixes: 25f4c41415e5 ("block: implement (some of) fallocate for block devices") Cc: stable(a)vger.kernel.org Reported-by: "Darrick J. Wong" <djwong(a)kernel.org> Signed-off-by: Sarthak Kukreti <sarthakkukreti(a)chromium.org> Reviewed-by: Christoph Hellwig <hch(a)lst.de> Reviewed-by: "Darrick J. Wong" <djwong(a)kernel.org> Signed-off-by: Mike Snitzer <snitzer(a)kernel.org> Fixes: line? I've never seen those wrapped. Link: https://lore.kernel.org/r/20231011201230.750105-1-sarthakkukreti@chromium.o… Signed-off-by: Jens Axboe <axboe(a)kernel.dk> diff --git a/block/fops.c b/block/fops.c index acff3d5d22d4..73e42742543f 100644 --- a/block/fops.c +++ b/block/fops.c @@ -772,24 +772,35 @@ static long blkdev_fallocate(struct file *file, int mode, loff_t start, filemap_invalidate_lock(inode->i_mapping); - /* Invalidate the page cache, including dirty pages. */ - error = truncate_bdev_range(bdev, file_to_blk_mode(file), start, end); - if (error) - goto fail; - + /* + * Invalidate the page cache, including dirty pages, for valid + * de-allocate mode calls to fallocate(). + */ switch (mode) { case FALLOC_FL_ZERO_RANGE: case FALLOC_FL_ZERO_RANGE | FALLOC_FL_KEEP_SIZE: + error = truncate_bdev_range(bdev, file_to_blk_mode(file), start, end); + if (error) + goto fail; + error = blkdev_issue_zeroout(bdev, start >> SECTOR_SHIFT, len >> SECTOR_SHIFT, GFP_KERNEL, BLKDEV_ZERO_NOUNMAP); break; case FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE: + error = truncate_bdev_range(bdev, file_to_blk_mode(file), start, end); + if (error) + goto fail; + error = blkdev_issue_zeroout(bdev, start >> SECTOR_SHIFT, len >> SECTOR_SHIFT, GFP_KERNEL, BLKDEV_ZERO_NOFALLBACK); break; case FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE | FALLOC_FL_NO_HIDE_STALE: + error = truncate_bdev_range(bdev, file_to_blk_mode(file), start, end); + if (error) + goto fail; + error = blkdev_issue_discard(bdev, start >> SECTOR_SHIFT, len >> SECTOR_SHIFT, GFP_KERNEL); break;

4 months

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FAILED: patch "[PATCH] block: Don't invalidate pagecache for invalid falloc modes" failed to apply to 4.19-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 4.19-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-4.19.y git checkout FETCH_HEAD git cherry-pick -x 1364a3c391aedfeb32aa025303ead3d7c91cdf9d # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2023101516-genetics-gratify-225c@gregkh' --subject-prefix 'PATCH 4.19.y' HEAD^.. Possible dependencies: 1364a3c391ae ("block: Don't invalidate pagecache for invalid falloc modes") 05bdb9965305 ("block: replace fmode_t with a block-specific type for block open flags") 5e4ea834676e ("block: remove unused fmode_t arguments from ioctl handlers") cfb425761c79 ("block: move a few internal definitions out of blkdev.h") 99b07780814e ("rnbd-srv: replace sess->open_flags with a "bool readonly"") 658afed19cee ("mtd: block: use a simple bool to track open for write") 7d9d7d59d44b ("nvme: replace the fmode_t argument to the nvme ioctl handlers with a simple bool") 2e80089c1824 ("scsi: replace the fmode_t argument to scsi_ioctl with a simple bool") 5f4eb9d5413f ("scsi: replace the fmode_t argument to scsi_cmd_allowed with a simple bool") 81b1fb7d17c0 ("fs: remove sb->s_mode") 3f0b3e785e8b ("block: add a sb_open_mode helper") 2736e8eeb0cc ("block: use the holder as indication for exclusive opens") 2ef789288afd ("btrfs: don't pass a holder for non-exclusive blkdev_get_by_path") 29499ab060fe ("bcache: don't pass a stack address to blkdev_get_by_path") c889d0793d9d ("swsusp: don't pass a stack address to blkdev_get_by_path") ae220766d87c ("block: remove the unused mode argument to ->release") d32e2bf83791 ("block: pass a gendisk to ->open") 444aa2c58cb3 ("block: pass a gendisk on bdev_check_media_change") 7ae24fcee992 ("cdrom: remove the unused mode argument to cdrom_release") 473399b50de1 ("cdrom: remove the unused mode argument to cdrom_ioctl") thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 1364a3c391aedfeb32aa025303ead3d7c91cdf9d Mon Sep 17 00:00:00 2001 From: Sarthak Kukreti <sarthakkukreti(a)chromium.org> Date: Wed, 11 Oct 2023 13:12:30 -0700 Subject: [PATCH] block: Don't invalidate pagecache for invalid falloc modes Only call truncate_bdev_range() if the fallocate mode is supported. This fixes a bug where data in the pagecache could be invalidated if the fallocate() was called on the block device with an invalid mode. Fixes: 25f4c41415e5 ("block: implement (some of) fallocate for block devices") Cc: stable(a)vger.kernel.org Reported-by: "Darrick J. Wong" <djwong(a)kernel.org> Signed-off-by: Sarthak Kukreti <sarthakkukreti(a)chromium.org> Reviewed-by: Christoph Hellwig <hch(a)lst.de> Reviewed-by: "Darrick J. Wong" <djwong(a)kernel.org> Signed-off-by: Mike Snitzer <snitzer(a)kernel.org> Fixes: line? I've never seen those wrapped. Link: https://lore.kernel.org/r/20231011201230.750105-1-sarthakkukreti@chromium.o… Signed-off-by: Jens Axboe <axboe(a)kernel.dk> diff --git a/block/fops.c b/block/fops.c index acff3d5d22d4..73e42742543f 100644 --- a/block/fops.c +++ b/block/fops.c @@ -772,24 +772,35 @@ static long blkdev_fallocate(struct file *file, int mode, loff_t start, filemap_invalidate_lock(inode->i_mapping); - /* Invalidate the page cache, including dirty pages. */ - error = truncate_bdev_range(bdev, file_to_blk_mode(file), start, end); - if (error) - goto fail; - + /* + * Invalidate the page cache, including dirty pages, for valid + * de-allocate mode calls to fallocate(). + */ switch (mode) { case FALLOC_FL_ZERO_RANGE: case FALLOC_FL_ZERO_RANGE | FALLOC_FL_KEEP_SIZE: + error = truncate_bdev_range(bdev, file_to_blk_mode(file), start, end); + if (error) + goto fail; + error = blkdev_issue_zeroout(bdev, start >> SECTOR_SHIFT, len >> SECTOR_SHIFT, GFP_KERNEL, BLKDEV_ZERO_NOUNMAP); break; case FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE: + error = truncate_bdev_range(bdev, file_to_blk_mode(file), start, end); + if (error) + goto fail; + error = blkdev_issue_zeroout(bdev, start >> SECTOR_SHIFT, len >> SECTOR_SHIFT, GFP_KERNEL, BLKDEV_ZERO_NOFALLBACK); break; case FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE | FALLOC_FL_NO_HIDE_STALE: + error = truncate_bdev_range(bdev, file_to_blk_mode(file), start, end); + if (error) + goto fail; + error = blkdev_issue_discard(bdev, start >> SECTOR_SHIFT, len >> SECTOR_SHIFT, GFP_KERNEL); break;

4 months

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FAILED: patch "[PATCH] tracing/kprobes: Fix symbol counting logic by looking at" failed to apply to 6.1-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 6.1-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.1.y git checkout FETCH_HEAD git cherry-pick -x 926fe783c8a64b33997fec405cf1af3e61aed441 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2023102922-handwrite-unpopular-0e1d@gregkh' --subject-prefix 'PATCH 6.1.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 926fe783c8a64b33997fec405cf1af3e61aed441 Mon Sep 17 00:00:00 2001 From: Andrii Nakryiko <andrii(a)kernel.org> Date: Fri, 27 Oct 2023 16:31:26 -0700 Subject: [PATCH] tracing/kprobes: Fix symbol counting logic by looking at modules as well Recent changes to count number of matching symbols when creating a kprobe event failed to take into account kernel modules. As such, it breaks kprobes on kernel module symbols, by assuming there is no match. Fix this my calling module_kallsyms_on_each_symbol() in addition to kallsyms_on_each_match_symbol() to perform a proper counting. Link: https://lore.kernel.org/all/20231027233126.2073148-1-andrii@kernel.org/ Cc: Francis Laniel <flaniel(a)linux.microsoft.com> Cc: stable(a)vger.kernel.org Cc: Masami Hiramatsu <mhiramat(a)kernel.org> Cc: Steven Rostedt <rostedt(a)goodmis.org> Fixes: b022f0c7e404 ("tracing/kprobes: Return EADDRNOTAVAIL when func matches several symbols") Signed-off-by: Andrii Nakryiko <andrii(a)kernel.org> Acked-by: Song Liu <song(a)kernel.org> Signed-off-by: Masami Hiramatsu (Google) <mhiramat(a)kernel.org> diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c index 95c5b0668cb7..e834f149695b 100644 --- a/kernel/trace/trace_kprobe.c +++ b/kernel/trace/trace_kprobe.c @@ -714,14 +714,30 @@ static int count_symbols(void *data, unsigned long unused) return 0; } +struct sym_count_ctx { + unsigned int count; + const char *name; +}; + +static int count_mod_symbols(void *data, const char *name, unsigned long unused) +{ + struct sym_count_ctx *ctx = data; + + if (strcmp(name, ctx->name) == 0) + ctx->count++; + + return 0; +} + static unsigned int number_of_same_symbols(char *func_name) { - unsigned int count; + struct sym_count_ctx ctx = { .count = 0, .name = func_name }; + + kallsyms_on_each_match_symbol(count_symbols, func_name, &ctx.count); - count = 0; - kallsyms_on_each_match_symbol(count_symbols, func_name, &count); + module_kallsyms_on_each_symbol(NULL, count_mod_symbols, &ctx); - return count; + return ctx.count; } static int __trace_kprobe_create(int argc, const char *argv[])

4 months

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[PATCH v7 0/5] mfd: tps6586x: register restart handler

by Benjamin Bara

Hi! The Tegra20 requires an enabled VDE power domain during startup. As the VDE is currently not used, it is disabled during runtime. Since 8f0c714ad9be, there is a workaround for the "normal restart path" which enables the VDE before doing PMC's warm reboot. This workaround is not executed in the "emergency restart path", leading to a hang-up during start. This series implements and registers a new pmic-based restart handler for boards with tps6586x. This cold reboot ensures that the VDE power domain is enabled during startup on tegra20-based boards. Since bae1d3a05a8b, i2c transfers are non-atomic while preemption is disabled (which is e.g. done during panic()). This could lead to warnings ("Voluntary context switch within RCU") in i2c-based restart handlers during emergency restart. The state of preemption should be detected by i2c_in_atomic_xfer_mode() to use atomic i2c xfer when required. Beside the new system_state check, the check is the same as the one pre v5.2. --- v7: - 5/5: drop mode check (suggested by Dmitry) - Link to v6: https://lore.kernel.org/r/20230327-tegra-pmic-reboot-v6-0-af44a4cd82e9@skid… v6: - drop 4/6 to abort restart on unexpected failure (suggested by Dmitry) - 4,5: fix comments in handlers (suggested by Lee) - 4,5: same delay for both handlers (suggested by Lee) v5: - introduce new 3 & 4, therefore 3 -> 5, 4 -> 6 - 3: provide dev to sys_off handler, if it is known - 4: return NOTIFY_DONE from sys_off_notify, to avoid skipping - 5: drop Reviewed-by from Dmitry, add poweroff timeout - 5,6: return notifier value instead of direct errno from handler - 5,6: use new dev field instead of passing dev as cb_data - 5,6: increase timeout values based on error observations - 6: skip unsupported reboot modes in restart handler --- Benjamin Bara (5): kernel/reboot: emergency_restart: set correct system_state i2c: core: run atomic i2c xfer when !preemptible kernel/reboot: add device to sys_off_handler mfd: tps6586x: use devm-based power off handler mfd: tps6586x: register restart handler drivers/i2c/i2c-core.h | 2 +- drivers/mfd/tps6586x.c | 50 ++++++++++++++++++++++++++++++++++++++++++-------- include/linux/reboot.h | 3 +++ kernel/reboot.c | 4 ++++ 4 files changed, 50 insertions(+), 9 deletions(-) --- base-commit: 197b6b60ae7bc51dd0814953c562833143b292aa change-id: 20230327-tegra-pmic-reboot-4175ff814a4b Best regards, -- Benjamin Bara <benjamin.bara(a)skidata.com>

4 months

6
19
0 0

[PATCH v1] usb: typec: class: fix typec_altmode_put_partner to put plugs

by RD Babiera

When releasing an Alt Mode, typec_altmode_release called by a plug device will not release the plug Alt Mode, meaning that a port will hold a reference to a plug Alt Mode even if the port partner is unregistered. As a result, typec_altmode_get_plug() can return an old plug altmode. Currently, typec_altmode_put_partner does not raise issues when unregistering a partner altmode. Looking at the current implementation: > static void typec_altmode_put_partner(struct altmode *altmode) > { > struct altmode *partner = altmode->partner; When called by the partner Alt Mode, then partner evaluates to the port's Alt Mode. When called by the plug Alt Mode, this also evaluates to the port's Alt Mode. > struct typec_altmode *adev; > > if (!partner) > return; > > adev = &partner->adev; This always evaluates to the port's typec_altmode > if (is_typec_plug(adev->dev.parent)) { > struct typec_plug *plug = to_typec_plug(adev->dev.parent); > > partner->plug[plug->index] = NULL; If the routine is called to put the plug's Alt mode and altmode refers to the plug, then adev referring to the port can never be a typec_plug. If altmode refers to the port, adev will always refer to the port partner, which runs the block below. > } else { > partner->partner = NULL; > } > put_device(&adev->dev); > } When calling typec_altmode_set_partner, a registration always calls get_device() on the port partner or the plug being registered, therefore typec_altmode_put_partner should put_device() the same device. By changing adev to altmode->adev, we make sure to put the correct device and properly unregister plugs. The reason port partners are always properly unregistered is because even when adev refers to the port, the port partner gets nullified in the else block. The port device currently gets put(). Fixes: 8a37d87d72f0 ("usb: typec: Bus type for alternate modes") Cc: stable(a)vger.kernel.org Signed-off-by: RD Babiera <rdbabiera(a)google.com> --- drivers/usb/typec/class.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c index 2e0451bd336e..803be1943445 100644 --- a/drivers/usb/typec/class.c +++ b/drivers/usb/typec/class.c @@ -267,7 +267,7 @@ static void typec_altmode_put_partner(struct altmode *altmode) if (!partner) return; - adev = &partner->adev; + adev = &altmode->adev; if (is_typec_plug(adev->dev.parent)) { struct typec_plug *plug = to_typec_plug(adev->dev.parent); base-commit: b85ea95d086471afb4ad062012a4d73cd328fa86 -- 2.43.0.rc1.413.gea7ed67945-goog

4 months, 1 week

3
4
0 0

scsi regression that after months is still not addressed and now bothering 6.1.y users, too

by Thorsten Leemhuis

* @SCSI maintainers: could you please look into below please? * @Stable team: you might want to take a look as well and consider a revert in 6.1.y (yes, I know, those are normally avoided, but here it might make sense). Hi everyone! TLDR: I noticed a regression (Adaptec 71605z with aacraid sometimes hangs for a while) that was reported months ago already but is still not fixed. Not only that, it apparently more and more users run into this recently, as the culprit was recently integrated into 6.1.y; I wonder if it would be best to revert it there, unless a fix for mainline comes into reach soon. Details: Quite a few machines with Adaptec controllers seems to hang for a few tens of seconds to a few minutes before things start to work normally again for a while: https://bugzilla.kernel.org/show_bug.cgi?id=217599 That problem is apparently caused by 9dc704dcc09eae ("scsi: aacraid: Reply queue mapping to CPUs based on IRQ affinity") [v6.4-rc7]. That commit despite a warning of mine to Sasha recently made it into 6.1.53 -- and that way apparently recently reached more users recently, as quite a few joined that ticket. The culprit is authored by Sagar Biradar who unless I missed something never replied even once to the ticket or earlier mails about it. Lore has no messages from him since early June. Hannes Reinecke at least tried to fix it a few weeks ago (many thx), but that didn't work out (see the ticket for details). Since then things look stalled again, which is, ehh, unfortunate when it comes to regressions. Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat) -- Everything you wanna know about Linux kernel regression tracking: https://linux-regtracking.leemhuis.info/about/#tldr If I did something stupid, please tell me, as explained on that page.

4 months, 1 week

7
11
0 0

[PATCH] SELinux: Check correct permissions for FS_IOC32_*

by Alfred Piccioni

Some ioctl commands do not require ioctl permission, but are routed to other permissions such as FILE_GETATTR or FILE_SETATTR. This routing is done by comparing the ioctl cmd to a set of 64-bit flags (FS_IOC_*). However, if a 32-bit process is running on a 64-bit kernel, it emmits 32-bit flags (FS_IOC32_*) for certain ioctl operations. These flags are being checked erroneoulsy, which leads to these ioctl operations being routed to the ioctl permission, rather than the correct file permissions. Two possible solutions exist: - Trim parameter "cmd" to a u16 so that only the last two bytes are checked in the case statement. - Explicitily add the FS_IOC32_* codes to the case statement. Solution 2 was chosen because it is a minimal explicit change. Solution 1 is a more elegant change, but is less explicit, as the switch statement appears to only check the FS_IOC_* codes upon first reading. Fixes: 0b24dcb7f2f7 ("Revert "selinux: simplify ioctl checking"") Signed-off-by: Alfred Piccioni <alpic(a)google.com> --- security/selinux/hooks.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index d06e350fedee..bba83f437a1d 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -3644,11 +3644,15 @@ static int selinux_file_ioctl(struct file *file, unsigned int cmd, case FIGETBSZ: case FS_IOC_GETFLAGS: case FS_IOC_GETVERSION: + case FS_IOC32_GETFLAGS: + case FS_IOC32_GETVERSION: error = file_has_perm(cred, file, FILE__GETATTR); break; case FS_IOC_SETFLAGS: case FS_IOC_SETVERSION: + case FS_IOC32_SETFLAGS: + case FS_IOC32_SETVERSION: error = file_has_perm(cred, file, FILE__SETATTR); break; base-commit: 50a510a78287c15cee644f345ef8bac8977986a7 -- 2.42.0.283.g2d96d420d3-goog

4 months, 1 week

8
29
0 0

[PATCH] drm/vmwgfx: Keep a gem reference to user bos in surfaces

by Zack Rusin

From: Zack Rusin <zackr(a)vmware.com> Surfaces can be backed (i.e. stored in) memory objects (mob's) which are created and managed by the userspace as GEM buffers. Surfaces grab only a ttm reference which means that the gem object can be deleted underneath us, especially in cases where prime buffer export is used. Make sure that all userspace surfaces which are backed by gem objects hold a gem reference to make sure they're not deleted before vmw surfaces are done with them, which fixes: ------------[ cut here ]------------ refcount_t: underflow; use-after-free. WARNING: CPU: 2 PID: 2632 at lib/refcount.c:28 refcount_warn_saturate+0xfb/0x150 Modules linked in: overlay vsock_loopback vmw_vsock_virtio_transport_common vmw_vsock_vmci_transport vsock snd_ens1371 snd_ac97_codec ac97_bus snd_pcm gameport> CPU: 2 PID: 2632 Comm: vmw_ref_count Not tainted 6.5.0-rc2-vmwgfx #1 Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 11/12/2020 RIP: 0010:refcount_warn_saturate+0xfb/0x150 Code: eb 9e 0f b6 1d 8b 5b a6 01 80 fb 01 0f 87 ba e4 80 00 83 e3 01 75 89 48 c7 c7 c0 3c f9 a3 c6 05 6f 5b a6 01 01 e8 15 81 98 ff <0f> 0b e9 6f ff ff ff 0f b> RSP: 0018:ffffbdc34344bba0 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000027 RDX: ffff960475ea1548 RSI: 0000000000000001 RDI: ffff960475ea1540 RBP: ffffbdc34344bba8 R08: 0000000000000003 R09: 65646e75203a745f R10: ffffffffa5b32b20 R11: 72657466612d6573 R12: ffff96037d6a6400 R13: ffff9603484805b0 R14: 000000000000000b R15: ffff9603bed06060 FS: 00007f5fd8520c40(0000) GS:ffff960475e80000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5fda755000 CR3: 000000010d012005 CR4: 00000000003706e0 Call Trace: <TASK> ? show_regs+0x6e/0x80 ? refcount_warn_saturate+0xfb/0x150 ? __warn+0x91/0x150 ? refcount_warn_saturate+0xfb/0x150 ? report_bug+0x19d/0x1b0 ? handle_bug+0x46/0x80 ? exc_invalid_op+0x1d/0x80 ? asm_exc_invalid_op+0x1f/0x30 ? refcount_warn_saturate+0xfb/0x150 drm_gem_object_handle_put_unlocked+0xba/0x110 [drm] drm_gem_object_release_handle+0x6e/0x80 [drm] drm_gem_handle_delete+0x6a/0xc0 [drm] ? __pfx_vmw_bo_unref_ioctl+0x10/0x10 [vmwgfx] vmw_bo_unref_ioctl+0x33/0x40 [vmwgfx] drm_ioctl_kernel+0xbc/0x160 [drm] drm_ioctl+0x2d2/0x580 [drm] ? __pfx_vmw_bo_unref_ioctl+0x10/0x10 [vmwgfx] ? do_vmi_munmap+0xee/0x180 vmw_generic_ioctl+0xbd/0x180 [vmwgfx] vmw_unlocked_ioctl+0x19/0x20 [vmwgfx] __x64_sys_ioctl+0x99/0xd0 do_syscall_64+0x5d/0x90 ? syscall_exit_to_user_mode+0x2a/0x50 ? do_syscall_64+0x6d/0x90 ? handle_mm_fault+0x16e/0x2f0 ? exit_to_user_mode_prepare+0x34/0x170 ? irqentry_exit_to_user_mode+0xd/0x20 ? irqentry_exit+0x3f/0x50 ? exc_page_fault+0x8e/0x190 entry_SYSCALL_64_after_hwframe+0x6e/0xd8 RIP: 0033:0x7f5fda51aaff Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 7> RSP: 002b:00007ffd536a4d30 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007ffd536a4de0 RCX: 00007f5fda51aaff RDX: 00007ffd536a4de0 RSI: 0000000040086442 RDI: 0000000000000003 RBP: 0000000040086442 R08: 000055fa603ada50 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd536a51b8 R13: 0000000000000003 R14: 000055fa5ebb4c80 R15: 00007f5fda90f040 </TASK> ---[ end trace 0000000000000000 ]--- A lot of the analyis on the bug was done by Murray McAllister and Ian Forbes. Reported-by: Murray McAllister <murray.mcallister(a)gmail.com> Cc: Ian Forbes <iforbes(a)vmware.com> Signed-off-by: Zack Rusin <zackr(a)vmware.com> Fixes: a950b989ea29 ("drm/vmwgfx: Do not drop the reference to the handle too soon") Cc: <stable(a)vger.kernel.org> # v6.2+ --- drivers/gpu/drm/vmwgfx/vmwgfx_bo.c | 7 +++--- drivers/gpu/drm/vmwgfx/vmwgfx_bo.h | 17 +++++++++---- drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c | 6 ++--- drivers/gpu/drm/vmwgfx/vmwgfx_drv.h | 4 +++ drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c | 10 +++++--- drivers/gpu/drm/vmwgfx/vmwgfx_gem.c | 18 +++++++++++--- drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 6 ++--- drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c | 2 +- drivers/gpu/drm/vmwgfx/vmwgfx_resource.c | 12 ++++----- drivers/gpu/drm/vmwgfx/vmwgfx_shader.c | 4 +-- drivers/gpu/drm/vmwgfx/vmwgfx_surface.c | 31 +++++++++--------------- 11 files changed, 68 insertions(+), 49 deletions(-) diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c index c43853597776..2bfac3aad7b7 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c @@ -34,6 +34,8 @@ static void vmw_bo_release(struct vmw_bo *vbo) { + WARN_ON(vbo->tbo.base.funcs && + kref_read(&vbo->tbo.base.refcount) != 0); vmw_bo_unmap(vbo); drm_gem_object_release(&vbo->tbo.base); } @@ -497,7 +499,7 @@ static int vmw_user_bo_synccpu_release(struct drm_file *filp, if (!(flags & drm_vmw_synccpu_allow_cs)) { atomic_dec(&vmw_bo->cpu_writers); } - vmw_user_bo_unref(vmw_bo); + vmw_user_bo_unref(&vmw_bo); } return ret; @@ -539,7 +541,7 @@ int vmw_user_bo_synccpu_ioctl(struct drm_device *dev, void *data, return ret; ret = vmw_user_bo_synccpu_grab(vbo, arg->flags); - vmw_user_bo_unref(vbo); + vmw_user_bo_unref(&vbo); if (unlikely(ret != 0)) { if (ret == -ERESTARTSYS || ret == -EBUSY) return -EBUSY; @@ -612,7 +614,6 @@ int vmw_user_bo_lookup(struct drm_file *filp, } *out = to_vmw_bo(gobj); - ttm_bo_get(&(*out)->tbo); return 0; } diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.h b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.h index 1d433fceed3d..0d496dc9c6af 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.h +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.h @@ -195,12 +195,19 @@ static inline struct vmw_bo *vmw_bo_reference(struct vmw_bo *buf) return buf; } -static inline void vmw_user_bo_unref(struct vmw_bo *vbo) +static inline struct vmw_bo *vmw_user_bo_ref(struct vmw_bo *vbo) { - if (vbo) { - ttm_bo_put(&vbo->tbo); - drm_gem_object_put(&vbo->tbo.base); - } + drm_gem_object_get(&vbo->tbo.base); + return vbo; +} + +static inline void vmw_user_bo_unref(struct vmw_bo **buf) +{ + struct vmw_bo *tmp_buf = *buf; + + *buf = NULL; + if (tmp_buf) + drm_gem_object_put(&tmp_buf->tbo.base); } static inline struct vmw_bo *to_vmw_bo(struct drm_gem_object *gobj) diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c b/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c index c0b24d1cacbf..a7c07692262b 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c @@ -432,7 +432,7 @@ static int vmw_cotable_resize(struct vmw_resource *res, size_t new_size) * for the new COTable. Initially pin the buffer object to make sure * we can use tryreserve without failure. */ - ret = vmw_bo_create(dev_priv, &bo_params, &buf); + ret = vmw_gem_object_create(dev_priv, &bo_params, &buf); if (ret) { DRM_ERROR("Failed initializing new cotable MOB.\n"); goto out_done; @@ -502,7 +502,7 @@ static int vmw_cotable_resize(struct vmw_resource *res, size_t new_size) vmw_resource_mob_attach(res); /* Let go of the old mob. */ - vmw_bo_unreference(&old_buf); + vmw_user_bo_unref(&old_buf); res->id = vcotbl->type; ret = dma_resv_reserve_fences(bo->base.resv, 1); @@ -521,7 +521,7 @@ static int vmw_cotable_resize(struct vmw_resource *res, size_t new_size) out_wait: ttm_bo_unpin(bo); ttm_bo_unreserve(bo); - vmw_bo_unreference(&buf); + vmw_user_bo_unref(&buf); out_done: MKS_STAT_TIME_POP(MKSSTAT_KERN_COTABLE_RESIZE); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h index 58bfdf203eca..3cd5090dedfc 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h @@ -853,6 +853,10 @@ static inline bool vmw_resource_mob_attached(const struct vmw_resource *res) /** * GEM related functionality - vmwgfx_gem.c */ +struct vmw_bo_params; +int vmw_gem_object_create(struct vmw_private *vmw, + struct vmw_bo_params *params, + struct vmw_bo **p_vbo); extern int vmw_gem_object_create_with_handle(struct vmw_private *dev_priv, struct drm_file *filp, uint32_t size, diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c index 98e0723ca6f5..06b06350f61f 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c @@ -1151,7 +1151,7 @@ static int vmw_translate_mob_ptr(struct vmw_private *dev_priv, SVGAMobId *id, struct vmw_bo **vmw_bo_p) { - struct vmw_bo *vmw_bo; + struct vmw_bo *vmw_bo, *tmp_bo; uint32_t handle = *id; struct vmw_relocation *reloc; int ret; @@ -1164,7 +1164,8 @@ static int vmw_translate_mob_ptr(struct vmw_private *dev_priv, } vmw_bo_placement_set(vmw_bo, VMW_BO_DOMAIN_MOB, VMW_BO_DOMAIN_MOB); ret = vmw_validation_add_bo(sw_context->ctx, vmw_bo); - vmw_user_bo_unref(vmw_bo); + tmp_bo = vmw_bo; + vmw_user_bo_unref(&tmp_bo); if (unlikely(ret != 0)) return ret; @@ -1206,7 +1207,7 @@ static int vmw_translate_guest_ptr(struct vmw_private *dev_priv, SVGAGuestPtr *ptr, struct vmw_bo **vmw_bo_p) { - struct vmw_bo *vmw_bo; + struct vmw_bo *vmw_bo, *tmp_bo; uint32_t handle = ptr->gmrId; struct vmw_relocation *reloc; int ret; @@ -1220,7 +1221,8 @@ static int vmw_translate_guest_ptr(struct vmw_private *dev_priv, vmw_bo_placement_set(vmw_bo, VMW_BO_DOMAIN_GMR | VMW_BO_DOMAIN_VRAM, VMW_BO_DOMAIN_GMR | VMW_BO_DOMAIN_VRAM); ret = vmw_validation_add_bo(sw_context->ctx, vmw_bo); - vmw_user_bo_unref(vmw_bo); + tmp_bo = vmw_bo; + vmw_user_bo_unref(&tmp_bo); if (unlikely(ret != 0)) return ret; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_gem.c b/drivers/gpu/drm/vmwgfx/vmwgfx_gem.c index c0da89e16e6f..8b1eb0061610 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_gem.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_gem.c @@ -111,6 +111,20 @@ static const struct drm_gem_object_funcs vmw_gem_object_funcs = { .vm_ops = &vmw_vm_ops, }; +int vmw_gem_object_create(struct vmw_private *vmw, + struct vmw_bo_params *params, + struct vmw_bo **p_vbo) +{ + int ret = vmw_bo_create(vmw, params, p_vbo); + + if (ret != 0) + goto out_no_bo; + + (*p_vbo)->tbo.base.funcs = &vmw_gem_object_funcs; +out_no_bo: + return ret; +} + int vmw_gem_object_create_with_handle(struct vmw_private *dev_priv, struct drm_file *filp, uint32_t size, @@ -126,12 +140,10 @@ int vmw_gem_object_create_with_handle(struct vmw_private *dev_priv, .pin = false }; - ret = vmw_bo_create(dev_priv, &params, p_vbo); + ret = vmw_gem_object_create(dev_priv, &params, p_vbo); if (ret != 0) goto out_no_bo; - (*p_vbo)->tbo.base.funcs = &vmw_gem_object_funcs; - ret = drm_gem_handle_create(filp, &(*p_vbo)->tbo.base, handle); out_no_bo: return ret; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c index 1489ad73c103..818b7f109f53 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c @@ -1471,8 +1471,8 @@ static int vmw_create_bo_proxy(struct drm_device *dev, /* Reserve and switch the backing mob. */ mutex_lock(&res->dev_priv->cmdbuf_mutex); (void) vmw_resource_reserve(res, false, true); - vmw_bo_unreference(&res->guest_memory_bo); - res->guest_memory_bo = vmw_bo_reference(bo_mob); + vmw_user_bo_unref(&res->guest_memory_bo); + res->guest_memory_bo = vmw_user_bo_ref(bo_mob); res->guest_memory_offset = 0; vmw_resource_unreserve(res, false, false, false, NULL, 0); mutex_unlock(&res->dev_priv->cmdbuf_mutex); @@ -1666,7 +1666,7 @@ static struct drm_framebuffer *vmw_kms_fb_create(struct drm_device *dev, err_out: /* vmw_user_lookup_handle takes one ref so does new_fb */ if (bo) - vmw_user_bo_unref(bo); + vmw_user_bo_unref(&bo); if (surface) vmw_surface_unreference(&surface); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c b/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c index fb85f244c3d0..c45b4724e414 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_overlay.c @@ -451,7 +451,7 @@ int vmw_overlay_ioctl(struct drm_device *dev, void *data, ret = vmw_overlay_update_stream(dev_priv, buf, arg, true); - vmw_user_bo_unref(buf); + vmw_user_bo_unref(&buf); out_unlock: mutex_unlock(&overlay->mutex); diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c index 71eeabf001c8..ca300c7427d2 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c @@ -141,7 +141,7 @@ static void vmw_resource_release(struct kref *kref) if (res->coherent) vmw_bo_dirty_release(res->guest_memory_bo); ttm_bo_unreserve(bo); - vmw_bo_unreference(&res->guest_memory_bo); + vmw_user_bo_unref(&res->guest_memory_bo); } if (likely(res->hw_destroy != NULL)) { @@ -338,7 +338,7 @@ static int vmw_resource_buf_alloc(struct vmw_resource *res, return 0; } - ret = vmw_bo_create(res->dev_priv, &bo_params, &gbo); + ret = vmw_gem_object_create(res->dev_priv, &bo_params, &gbo); if (unlikely(ret != 0)) goto out_no_bo; @@ -457,11 +457,11 @@ void vmw_resource_unreserve(struct vmw_resource *res, vmw_resource_mob_detach(res); if (res->coherent) vmw_bo_dirty_release(res->guest_memory_bo); - vmw_bo_unreference(&res->guest_memory_bo); + vmw_user_bo_unref(&res->guest_memory_bo); } if (new_guest_memory_bo) { - res->guest_memory_bo = vmw_bo_reference(new_guest_memory_bo); + res->guest_memory_bo = vmw_user_bo_ref(new_guest_memory_bo); /* * The validation code should already have added a @@ -551,7 +551,7 @@ vmw_resource_check_buffer(struct ww_acquire_ctx *ticket, ttm_bo_put(val_buf->bo); val_buf->bo = NULL; if (guest_memory_dirty) - vmw_bo_unreference(&res->guest_memory_bo); + vmw_user_bo_unref(&res->guest_memory_bo); return ret; } @@ -727,7 +727,7 @@ int vmw_resource_validate(struct vmw_resource *res, bool intr, goto out_no_validate; else if (!res->func->needs_guest_memory && res->guest_memory_bo) { WARN_ON_ONCE(vmw_resource_mob_attached(res)); - vmw_bo_unreference(&res->guest_memory_bo); + vmw_user_bo_unref(&res->guest_memory_bo); } return 0; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c b/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c index 1e81ff2422cf..a01ca3226d0a 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c @@ -180,7 +180,7 @@ static int vmw_gb_shader_init(struct vmw_private *dev_priv, res->guest_memory_size = size; if (byte_code) { - res->guest_memory_bo = vmw_bo_reference(byte_code); + res->guest_memory_bo = vmw_user_bo_ref(byte_code); res->guest_memory_offset = offset; } shader->size = size; @@ -809,7 +809,7 @@ static int vmw_shader_define(struct drm_device *dev, struct drm_file *file_priv, shader_type, num_input_sig, num_output_sig, tfile, shader_handle); out_bad_arg: - vmw_user_bo_unref(buffer); + vmw_user_bo_unref(&buffer); return ret; } diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c index 5db403ee8261..3829be282ff0 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c @@ -686,9 +686,6 @@ static void vmw_user_surface_base_release(struct ttm_base_object **p_base) container_of(base, struct vmw_user_surface, prime.base); struct vmw_resource *res = &user_srf->srf.res; - if (res->guest_memory_bo) - drm_gem_object_put(&res->guest_memory_bo->tbo.base); - *p_base = NULL; vmw_resource_unreference(&res); } @@ -855,23 +852,21 @@ int vmw_surface_define_ioctl(struct drm_device *dev, void *data, * expect a backup buffer to be present. */ if (dev_priv->has_mob && req->shareable) { - uint32_t backup_handle; - - ret = vmw_gem_object_create_with_handle(dev_priv, - file_priv, - res->guest_memory_size, - &backup_handle, - &res->guest_memory_bo); + struct vmw_bo_params params = { + .domain = VMW_BO_DOMAIN_SYS, + .busy_domain = VMW_BO_DOMAIN_SYS, + .bo_type = ttm_bo_type_device, + .size = res->guest_memory_size, + .pin = false + }; + + ret = vmw_gem_object_create(dev_priv, + &params, + &res->guest_memory_bo); if (unlikely(ret != 0)) { vmw_resource_unreference(&res); goto out_unlock; } - vmw_bo_reference(res->guest_memory_bo); - /* - * We don't expose the handle to the userspace and surface - * already holds a gem reference - */ - drm_gem_handle_delete(file_priv, backup_handle); } tmp = vmw_resource_reference(&srf->res); @@ -1512,7 +1507,7 @@ vmw_gb_surface_define_internal(struct drm_device *dev, if (ret == 0) { if (res->guest_memory_bo->tbo.base.size < res->guest_memory_size) { VMW_DEBUG_USER("Surface backup buffer too small.\n"); - vmw_bo_unreference(&res->guest_memory_bo); + vmw_user_bo_unref(&res->guest_memory_bo); ret = -EINVAL; goto out_unlock; } else { @@ -1526,8 +1521,6 @@ vmw_gb_surface_define_internal(struct drm_device *dev, res->guest_memory_size, &backup_handle, &res->guest_memory_bo); - if (ret == 0) - vmw_bo_reference(res->guest_memory_bo); } if (unlikely(ret != 0)) { -- 2.39.2

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Linux-stable-mirror November 2023