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2016-11-05Merge tag 'for-linus-20161104' of git://git.infradead.org/linux-mtdLinus Torvalds
Pull MTD fixes from Brian Norris: - MAINTAINERS updates to reflect some new maintainers/submaintainers. We have some great volunteers who've been developing and reviewing already. We're going to try a group maintainership model, so eventually you'll probably see pull requests from people besides me. - NAND fixes from Boris: "Three simple fixes: - fix a non-critical bug in the gpmi driver - fix a bug in the 'automatic NAND timings selection' feature introduced in 4.9-rc1 - fix a false positive uninitialized-var warning" * tag 'for-linus-20161104' of git://git.infradead.org/linux-mtd: mtd: mtk: avoid warning in mtk_ecc_encode mtd: nand: Fix data interface configuration logic mtd: nand: gpmi: disable the clocks on errors MAINTAINERS: add more people to the MTD maintainer team MAINTAINERS: add a maintainer for the SPI NOR subsystem
2016-11-05Merge branch 'ib-iio-mfd-ti335x_dma' into togregJonathan Cameron
A local branch created as Lee requested these two patches were applied in a fashion that would later let him merge the same branch into MFD if needed.
2016-11-05drivers: iio: ti_am335x_adc: add dma supportMugunthan V N
This patch adds the required pieces to ti_am335x_adc driver for DMA support Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com> Reviewed-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-11-05mfd: ti_am335x_tscadc: store physical addressMugunthan V N
store the physical address of the device in its priv to use it for DMA addressing in the client drivers. Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com> Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-11-05phy: Add reset callback for not generic phyRandy Li
Add a dummy function for phy_reset in case the CONFIG_GENERIC_PHY is disabled. Signed-off-by: Randy Li <ayaka@soulik.info> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2016-11-04fs: Remove unmap_underlying_metadataJan Kara
Nobody is using this function anymore. Remove it. Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Jens Axboe <axboe@fb.com>
2016-11-04fs: Add helper to clean bdev aliases under a bh and use itJan Kara
Add a helper function that clears buffer heads from a block device aliasing passed bh. Use this helper function from filesystems instead of the original unmap_underlying_metadata() to save some boiler plate code and also have a better name for the functionalily since it is not unmapping anything for a *long* time. Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Jens Axboe <axboe@fb.com>
2016-11-04fs: Provide function to unmap metadata for a range of blocksJan Kara
Provide function equivalent to unmap_underlying_metadata() for a range of blocks. We somewhat optimize the function to use pagevec lookups instead of looking up buffer heads one by one and use page lock to pin buffer heads instead of mapping's private_lock to improve scalability. Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Jens Axboe <axboe@fb.com>
2016-11-04debugfs: constify argument to debugfs_real_fops()Jakub Kicinski
seq_file users can only access const version of file pointer, because the ->file member of struct seq_operations is marked as such. Make parameter to debugfs_real_fops() const. CC: Greg Kroah-Hartman <gregkh@linuxfoundation.org> CC: Nicolai Stange <nicstange@gmail.com> CC: Christian Lamparter <chunkeey@gmail.com> CC: LKML <linux-kernel@vger.kernel.org> Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-11-04regulator: core: Add new API to poll for error conditionsAxel Haslam
Regulator consumers can receive event notifications when errors are reported to the driver, but currently, there is no way for a regulator consumer to know when the error is over. To allow a regulator consumer to poll for error conditions add a new API: regulator_get_error_flags. Signed-off-by: Axel Haslam <ahaslam@baylibre.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2016-11-03block: immediately dispatch big size requestShaohua Li
Currently block plug holds up to 16 non-mergeable requests. This makes sense if the request size is small, eg, reduce lock contention. But if request size is big enough, we don't need to worry about lock contention. Holding such request makes no sense and it lows the disk utilization. In practice, this improves 10% throughput for my raid5 sequential write workload. The size (128k) is arbitrary right now, but it makes sure lock contention is small. This probably could be more intelligent, eg, check average request size holded. Since this is mainly for sequential IO, probably not worthy. V2: check the last request instead of the first request, so as long as there is one big size request we flush the plug. Signed-off-by: Shaohua Li <shli@fb.com> Signed-off-by: Jens Axboe <axboe@fb.com>
2016-11-03net: tcp: check skb is non-NULL for exact match on lookupsDavid Ahern
Andrey reported the following error report while running the syzkaller fuzzer: general protection fault: 0000 [#1] SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 0 PID: 648 Comm: syz-executor Not tainted 4.9.0-rc3+ #333 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 task: ffff8800398c4480 task.stack: ffff88003b468000 RIP: 0010:[<ffffffff83091106>] [< inline >] inet_exact_dif_match include/net/tcp.h:808 RIP: 0010:[<ffffffff83091106>] [<ffffffff83091106>] __inet_lookup_listener+0xb6/0x500 net/ipv4/inet_hashtables.c:219 RSP: 0018:ffff88003b46f270 EFLAGS: 00010202 RAX: 0000000000000004 RBX: 0000000000004242 RCX: 0000000000000001 RDX: 0000000000000000 RSI: ffffc90000e3c000 RDI: 0000000000000054 RBP: ffff88003b46f2d8 R08: 0000000000004000 R09: ffffffff830910e7 R10: 0000000000000000 R11: 000000000000000a R12: ffffffff867fa0c0 R13: 0000000000004242 R14: 0000000000000003 R15: dffffc0000000000 FS: 00007fb135881700(0000) GS:ffff88003ec00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020cc3000 CR3: 000000006d56a000 CR4: 00000000000006f0 Stack: 0000000000000000 000000000601a8c0 0000000000000000 ffffffff00004242 424200003b9083c2 ffff88003def4041 ffffffff84e7e040 0000000000000246 ffff88003a0911c0 0000000000000000 ffff88003a091298 ffff88003b9083ae Call Trace: [<ffffffff831100f4>] tcp_v4_send_reset+0x584/0x1700 net/ipv4/tcp_ipv4.c:643 [<ffffffff83115b1b>] tcp_v4_rcv+0x198b/0x2e50 net/ipv4/tcp_ipv4.c:1718 [<ffffffff83069d22>] ip_local_deliver_finish+0x332/0xad0 net/ipv4/ip_input.c:216 ... MD5 has a code path that calls __inet_lookup_listener with a null skb, so inet{6}_exact_dif_match needs to check skb against null before pulling the flag. Fixes: a04a480d4392 ("net: Require exact match for TCP socket lookups if dif is l3mdev") Reported-by: Andrey Konovalov <andreyknvl@google.com> Signed-off-by: David Ahern <dsa@cumulusnetworks.com> Tested-by: Andrey Konovalov <andreyknvl@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-11-03ipv6: add IPV6_RECVFRAGSIZE cmsgWillem de Bruijn
When reading a datagram or raw packet that arrived fragmented, expose the maximum fragment size if recorded to allow applications to estimate receive path MTU. At this point, the field is only recorded when ipv6 connection tracking is enabled. A follow-up patch will record this field also in the ipv6 input path. Tested using the test for IP_RECVFRAGSIZE plus ip netns exec to ip addr add dev veth1 fc07::1/64 ip netns exec from ip addr add dev veth0 fc07::2/64 ip netns exec to ./recv_cmsg_recvfragsize -6 -u -p 6000 & ip netns exec from nc -q 1 -u fc07::1 6000 < payload Both with and without enabling connection tracking ip6tables -A INPUT -m state --state NEW -p udp -j LOG Signed-off-by: Willem de Bruijn <willemb@google.com> Acked-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-11-03netfilter: remove hook_entries field from nf_hook_statePablo Neira Ayuso
This field is only useful for nf_queue, so store it in the nf_queue_entry structure instead, away from the core path. Pass hook_head to nf_hook_slow(). Since we always have a valid entry on the first iteration in nf_iterate(), we can use 'do { ... } while (entry)' loop instead. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2016-11-03netfilter: x_tables: move hook state into xt_action_param structurePablo Neira Ayuso
Place pointer to hook state in xt_action_param structure instead of copying the fields that we need. After this change xt_action_param fits into one cacheline. This patch also adds a set of new wrapper functions to fetch relevant hook state structure fields. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2016-11-03netfilter: kill NF_HOOK_THRESH() and state->treshPablo Neira Ayuso
Patch c5136b15ea36 ("netfilter: bridge: add and use br_nf_hook_thresh") introduced br_nf_hook_thresh(). Replace NF_HOOK_THRESH() by br_nf_hook_thresh from br_nf_forward_finish(), so we have no more callers for this macro. As a result, state->thresh and explicit thresh parameter in the hook state structure is not required anymore. And we can get rid of skip-hook-under-thresh loop in nf_iterate() in the core path that is only used by br_netfilter to search for the filter hook. Suggested-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2016-11-02clk: renesas: rcar-gen2: Remove obsolete rcar_gen2_clocks_init()Geert Uytterhoeven
The R-Car Gen2 board code no longer calls rcar_gen2_clocks_init(). Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Dirk Behme <dirk.behme@de.bosch.com>
2016-11-02clk: renesas: r8a7779: Remove obsolete r8a7779_clocks_init()Geert Uytterhoeven
The R-Car H1 board code no longer calls r8a7779_clocks_init(). Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Dirk Behme <dirk.behme@de.bosch.com>
2016-11-02clk: renesas: r8a7778: Remove obsolete r8a7778_clocks_init()Geert Uytterhoeven
The R-Car M1A board code no longer calls r8a7778_clocks_init(). Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Dirk Behme <dirk.behme@de.bosch.com>
2016-11-02soc: renesas: Add R-Car RST driverGeert Uytterhoeven
Add a driver for the Renesas R-Car Gen1 RESET/WDT and R-Car Gen2/Gen3 and RZ/G RST module. For now this driver just provides an API to obtain the state of the mode pins, as latched at reset time. As this is typically called from the probe function of a clock driver, which can run much earlier than any initcall, calling rcar_rst_read_mode_pins() just forces an early initialization of the driver. Despite the current simple and almost identical handling for all supported SoCs, the driver matches against SoC-specific compatible values, as the features provided by the hardware module differ a lot across the various SoC families and members. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Dirk Behme <dirk.behme@de.bosch.com>
2016-11-02net: mii: add generic function to support ksetting supportPhilippe Reynes
The old ethtool api (get_setting and set_setting) has generic mii functions mii_ethtool_sset and mii_ethtool_gset. To support the new ethtool api ({get|set}_link_ksettings), we add two generics mii function mii_ethtool_{get|set}_link_ksettings_get. Signed-off-by: Philippe Reynes <tremyfr@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-11-02blk-mq: Add a kick_requeue_list argument to blk_mq_requeue_request()Bart Van Assche
Most blk_mq_requeue_request() and blk_mq_add_to_requeue_list() calls are followed by kicking the requeue list. Hence add an argument to these two functions that allows to kick the requeue list. This was proposed by Christoph Hellwig. Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Reviewed-by: Christoph Hellwig <hch@lst.de> Cc: Hannes Reinecke <hare@suse.com> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Jens Axboe <axboe@fb.com>
2016-11-02blk-mq: Introduce blk_mq_quiesce_queue()Bart Van Assche
blk_mq_quiesce_queue() waits until ongoing .queue_rq() invocations have finished. This function does *not* wait until all outstanding requests have finished (this means invocation of request.end_io()). The algorithm used by blk_mq_quiesce_queue() is as follows: * Hold either an RCU read lock or an SRCU read lock around .queue_rq() calls. The former is used if .queue_rq() does not block and the latter if .queue_rq() may block. * blk_mq_quiesce_queue() first calls blk_mq_stop_hw_queues() followed by synchronize_srcu() or synchronize_rcu(). The latter call waits for .queue_rq() invocations that started before blk_mq_quiesce_queue() was called. * The blk_mq_hctx_stopped() calls that control whether or not .queue_rq() will be called are called with the (S)RCU read lock held. This is necessary to avoid race conditions against blk_mq_quiesce_queue(). Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Cc: Hannes Reinecke <hare@suse.com> Cc: Johannes Thumshirn <jthumshirn@suse.de> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Reviewed-by: Ming Lei <tom.leiming@gmail.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@fb.com>
2016-11-02blk-mq: Remove blk_mq_cancel_requeue_work()Bart Van Assche
Since blk_mq_requeue_work() no longer restarts stopped queues canceling requeue work is no longer needed to prevent that a stopped queue would be restarted. Hence remove this function. Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Cc: Mike Snitzer <snitzer@redhat.com> Cc: Keith Busch <keith.busch@intel.com> Cc: Hannes Reinecke <hare@suse.com> Cc: Johannes Thumshirn <jthumshirn@suse.de> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@fb.com>
2016-11-02blk-mq: Introduce blk_mq_queue_stopped()Bart Van Assche
The function blk_queue_stopped() allows to test whether or not a traditional request queue has been stopped. Introduce a helper function that allows block drivers to query easily whether or not one or more hardware contexts of a blk-mq queue have been stopped. Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@fb.com>
2016-11-02block: add bio_iov_iter_get_pages()Kent Overstreet
This is a helper that pins down a range from an iov_iter and adds it to a bio without requiring a separate memory allocation for the page array. It will be used for upcoming direct I/O implementations for block devices and iomap based file systems. Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com> [hch: ported to the iov_iter interface, renamed and added comments. All blame should be directed to me and all fame should go to Kent after this!] Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@fb.com>
2016-11-02writeback: mark background writeback as suchJens Axboe
If we're doing background type writes, then use the appropriate background write flags for that. Signed-off-by: Jens Axboe <axboe@fb.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
2016-11-02writeback: add wbc_to_write_flags()Jens Axboe
Add wbc_to_write_flags(), which returns the write modifier flags to use, based on a struct writeback_control. No functional changes in this patch, but it prepares us for factoring other wbc fields for write type. Signed-off-by: Jens Axboe <axboe@fb.com> Reviewed-by: Jan Kara <jack@suse.cz> Reviewed-by: Christoph Hellwig <hch@lst.de>
2016-11-02block: add REQ_BACKGROUNDJens Axboe
This adds a new request flag, REQ_BACKGROUND, that callers can use to tell the block layer that this is background (non-urgent) IO. Signed-off-by: Jens Axboe <axboe@fb.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
2016-11-01Merge branch 'ib-iio-mfd-4.9rc1' into togregJonathan Cameron
Immutable branch to allow mfd changes to also be available in Lee's MFD tree.
2016-11-01block: remove the CONFIG_BLOCK ifdef in blk_types.hChristoph Hellwig
Now that we have a separate header for struct bio_vec there is absolutely no excuse for including this header from non-block I/O code. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@fb.com>
2016-11-01mm: only include blk_types in swap.h if CONFIG_SWAP is enabledChristoph Hellwig
It's only needed for the CONFIG_SWAP-only use of bio_end_io_t. Because CONFIG_SWAP implies CONFIG_BLOCK this will allow to drop some ifdefs in blk_types.h. Instead we'll need to add a few explicit includes that were implicit before, though. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@fb.com>
2016-11-01ceph: don't include blk_types.h in messenger.hChristoph Hellwig
The file only needs the struct bvec_iter delcaration, which is available from bvec.h. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@fb.com>
2016-11-01block,fs: untangle fs.h and blk_types.hChristoph Hellwig
Nothing in fs.h should require blk_types.h to be included. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@fb.com>
2016-11-01block, fs: move submit_bio to bio.hChristoph Hellwig
This is where all the other bio operations live, so users must include bio.h anyway. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@fb.com>
2016-11-01fs: decouple READ and WRITE from the block layer opsChristoph Hellwig
Move READ and WRITE to kernel.h and don't define them in terms of block layer ops; they are our generic data direction indicators these days and have no more resemblance with the block layer ops. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@fb.com>
2016-11-01block,fs: use REQ_* flags directlyChristoph Hellwig
Remove the WRITE_* and READ_SYNC wrappers, and just use the flags directly. Where applicable this also drops usage of the bio_set_op_attrs wrapper. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@fb.com>
2016-11-01block: replace REQ_NOIDLE with REQ_IDLEChristoph Hellwig
Noidle should be the default for writes as seen by all the compounds definitions in fs.h using it. In fact only direct I/O really should be using NODILE, so turn the whole flag around to get the defaults right, which will make our life much easier especially onces the WRITE_* defines go away. This assumes all the existing "raw" users of REQ_SYNC for writes want noidle behavior, which seems to be spot on from a quick audit. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@fb.com>
2016-11-01block: treat REQ_FUA and REQ_PREFLUSH as synchronousChristoph Hellwig
Instead of requiring everyone to specify the REQ_SYNC flag aѕ well. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@fb.com>
2016-11-01block: don't use REQ_SYNC in the READ_SYNC definitionChristoph Hellwig
Reads are synchronous per definition, don't add another flag for it. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@fb.com>
2016-11-01blk-cgroup: use op_is_sync to check for synchronous requestsChristoph Hellwig
Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@fb.com>
2016-11-01Merge branch 'core/urgent' into x86/fpu, to merge fixesIngo Molnar
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-10-31rpmsg: Provide function stubs for APIBjorn Andersson
Provide function stubs for the rpmsg API to allow clients to be compile tested without having CONFIG_RPMSG enabled. Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2016-10-31rpmsg: Introduce a driver override mechanismBjorn Andersson
Similar to other subsystems it's useful to provide a mechanism to force a specific driver match on a device, so introduce this. Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2016-10-31net: pim: add all RFC7761 message typesNikolay Aleksandrov
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-31net: pim: add a helper to check for IPv4 all pim routers addressNikolay Aleksandrov
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-31net: pim: add common pimhdr struct and helpersNikolay Aleksandrov
Add the common pimhdr structure and helpers to access it, also cleanup the format of the header file. Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-31bug: Provide toggle for BUG on data corruptionKees Cook
The kernel checks for cases of data structure corruption under some CONFIGs (e.g. CONFIG_DEBUG_LIST). When corruption is detected, some systems may want to BUG() immediately instead of letting the system run with known corruption. Usually these kinds of manipulation primitives can be used by security flaws to gain arbitrary memory write control. This provides a new config CONFIG_BUG_ON_DATA_CORRUPTION and a corresponding macro CHECK_DATA_CORRUPTION for handling these situations. Notably, even if not BUGing, the kernel should not continue processing the corrupted structure. This is inspired by similar hardening by Syed Rameez Mustafa in MSM kernels, and in PaX and Grsecurity, which is likely in response to earlier removal of the BUG calls in commit 924d9addb9b1 ("list debugging: use WARN() instead of BUG()"). Signed-off-by: Kees Cook <keescook@chromium.org> Acked-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Rik van Riel <riel@redhat.com>
2016-10-31list: Split list_del() debug checking into separate functionKees Cook
Similar to the list_add() debug consolidation, this commit consolidates the debug checking performed during CONFIG_DEBUG_LIST into a new __list_del_entry_valid() function, and stops list updates when corruption is found. Refactored from same hardening in PaX and Grsecurity. Signed-off-by: Kees Cook <keescook@chromium.org> Acked-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Rik van Riel <riel@redhat.com>
2016-10-31rculist: Consolidate DEBUG_LIST for list_add_rcu()Kees Cook
This commit consolidates the debug checking for list_add_rcu() into the new single __list_add_valid() debug function. Notably, this commit fixes the sanity check that was added in commit 17a801f4bfeb ("list_debug: WARN for adding something already in the list"), which wasn't checking RCU-protected lists. Signed-off-by: Kees Cook <keescook@chromium.org> Acked-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Rik van Riel <riel@redhat.com>
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