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2022-07-27SUNRPC: Reinitialise the backchannel request buffers before reuseTrond Myklebust1-0/+14
When we're reusing the backchannel requests instead of freeing them, then we should reinitialise any values of the send/receive xdr_bufs so that they reflect the available space. Fixes: 0d2a970d0ae5 ("SUNRPC: Fix a backchannel race") Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-07-27NFSv4.1: RECLAIM_COMPLETE must handle EACCESZhang Xianwei1-0/+3
A client should be able to handle getting an EACCES error while doing a mount operation to reclaim state due to NFS4CLNT_RECLAIM_REBOOT being set. If the server returns RPC_AUTH_BADCRED because authentication failed when we execute "exportfs -au", then RECLAIM_COMPLETE will go a wrong way. After mount succeeds, all OPEN call will fail due to an NFS4ERR_GRACE error being returned. This patch is to fix it by resending a RPC request. Signed-off-by: Zhang Xianwei <zhang.xianwei8@zte.com.cn> Signed-off-by: Yi Wang <wang.yi59@zte.com.cn> Fixes: aa5190d0ed7d ("NFSv4: Kill nfs4_async_handle_error() abuses by NFSv4.1") Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-07-25NFSv4.1 probe offline transports for trunking on session creationOlga Kornievskaia1-0/+8
Once the session is established call into the SUNRPC layer to check if any offlined trunking connections should be re-enabled. Signed-off-by: Olga Kornievskaia <kolga@netapp.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-07-25SUNRPC create a function that probes only offline transportsOlga Kornievskaia2-0/+67
For only offline transports, attempt to check connectivity via a NULL call and, if that succeeds, call a provided session trunking detection function. Signed-off-by: Olga Kornievskaia <kolga@netapp.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-07-25SUNRPC export xprt_iter_rewind functionOlga Kornievskaia2-1/+2
Make xprt_iter_rewind callable outside of xprtmultipath.c Signed-off-by: Olga Kornievskaia <kolga@netapp.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-07-25SUNRPC restructure rpc_clnt_setup_test_and_add_xprtOlga Kornievskaia1-21/+31
In preparation for code re-use, pull out the part of the rpc_clnt_setup_test_and_add_xprt() portion that sends a NULL rpc and then calls a session trunking function into a helper function. Re-organize the end of the function for code re-use. Signed-off-by: Olga Kornievskaia <kolga@netapp.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-07-25NFSv4.1 remove xprt from xprt_switch if session trunking test failsOlga Kornievskaia1-0/+3
If we are doing a session trunking test and it fails for the transport, then remove this transport from the xprt_switch group. Signed-off-by: Olga Kornievskaia <kolga@netapp.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-07-25SUNRPC create an rpc function that allows xprt removal from rpc_clntOlga Kornievskaia5-8/+24
Expose a function that allows a removal of xprt from the rpc_clnt. When called from NFS that's running a trunked transport then don't decrement the active transport counter. Signed-off-by: Olga Kornievskaia <kolga@netapp.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-07-25SUNRPC enable back offline transports in trunking discoveryOlga Kornievskaia2-0/+15
When we are adding a transport to a xprt_switch that's already on the list but has been marked OFFLINE, then make the state ONLINE since it's been tested now. Signed-off-by: Olga Kornievskaia <kolga@netapp.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-07-25SUNRPC create an iterator to list only OFFLINE xprtsOlga Kornievskaia3-12/+101
Create a new iterator helper that will go thru the all the transports in the switch and return transports that are marked OFFLINE. Signed-off-by: Olga Kornievskaia <kolga@netapp.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-07-25NFSv4.1 offline trunkable transports on DESTROY_SESSIONOlga Kornievskaia1-0/+1
When session is destroy, some of the transports might no longer be valid trunks for the new session. Offline existing transports. Signed-off-by: Olga Kornievskaia <kolga@netapp.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-07-25SUNRPC add function to offline remove trunkable transportsOlga Kornievskaia2-0/+47
Iterate thru available transports in the xprt_switch for all trunkable transports offline and possibly remote them as well. Signed-off-by: Olga Kornievskaia <kolga@netapp.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-07-25SUNRPC expose functions for offline remote xprt functionalityOlga Kornievskaia3-23/+40
Re-arrange the code that make offline transport and delete transport callable functions. Signed-off-by: Olga Kornievskaia <kolga@netapp.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-07-23SUNRPC: Remove xdr_align_data() and xdr_expand_hole()Anna Schumaker2-68/+0
These functions are no longer needed now that the NFS client places data and hole segments directly. Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-07-23NFS: Replace the READ_PLUS decoding codeAnna Schumaker1-82/+88
We now take a 2-step process that allows us to place data and hole segments directly at their final position in the xdr_stream without needing to do a bunch of redundant copies to expand holes. Due to the variable lengths of each segment, the xdr metadata might cross page boundaries which I account for by setting a small scratch buffer so xdr_inline_decode() won't fail. Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-07-23SUNRPC: Add a function for zeroing out a portion of an xdr_streamAnna Schumaker2-0/+25
This will be used during READ_PLUS decoding for handling HOLE segments. Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-07-23SUNRPC: Add a function for directly setting the xdr page lenAnna Schumaker2-0/+31
We need to do this step during READ_PLUS decoding so that we know pages are the right length and any extra data has been preserved in the tail. Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-07-23SUNRPC: Introduce xdr_stream_move_subsegment()Anna Schumaker2-0/+61
I do this by creating an xdr subsegment for the range we will be operating over. This lets me shift data to the correct place without potentially overwriting anything already there. Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-07-23NFS: Replace fs_context-related dprintk() call sites with tracepointsChuck Lever2-10/+73
Contributed as part of the long patch series that converts NFS from using dprintk to tracepoints for observability. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Reviewed-by: Jeff Layton <jlayton@kernel.org> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-07-23SUNRPC: Replace dprintk() call site in xs_data_readyChuck Lever2-2/+24
Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-07-23SUNRPC: Fail faster on bad verifierChuck Lever1-1/+1
A bad verifier is not a garbage argument, it's an authentication failure. Retrying it doesn't make the problem go away, and delays upper layer recovery steps. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Reviewed-by: Jeff Layton <jlayton@kernel.org> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-07-23nfs: only issue commit in DIO codepath if we have uncommitted dataJeff Layton3-19/+32
Currently, we try to determine whether to issue a commit based on nfs_write_need_commit which looks at the current verifier. In the case where we got a short write and then tried to follow it up with one that failed, the verifier can't be trusted. What we really want to know is whether the pgio request had any successful writes that came back as UNSTABLE. Add a new flag to the pgio request, and use that to indicate that we've had a successful unstable write. Only issue a commit if that flag is set. Signed-off-by: Jeff Layton <jlayton@kernel.org> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-07-23nfs: always check dreq->error after a commitJeff Layton1-1/+2
When the client gets back a short DIO write, it will then attempt to issue another write to finish the DIO request. If that write then fails (as is often the case in an -ENOSPC situation), then we still may need to issue a COMMIT if the earlier short write was unstable. If that COMMIT then succeeds, then we don't want the client to reschedule the write requests, and to instead just return a short write. Otherwise, we can end up looping over the same DIO write forever. Always consult dreq->error after a successful RPC, even when the flag state is not NFS_ODIRECT_DONE. Link: https://bugzilla.redhat.com/show_bug.cgi?id=2028370 Reported-by: Boyang Xue <bxue@redhat.com> Signed-off-by: Jeff Layton <jlayton@kernel.org> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-07-23nfs: add new nfs_direct_req tracepoint eventsJeff Layton3-33/+114
Add some new tracepoints to the DIO write code. Signed-off-by: Jeff Layton <jlayton@kernel.org> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-07-23SUNRPC: Shrink size of struct rpc_taskTrond Myklebust1-2/+2
Move the field 'tk_rpc_status' so that we eliminate a 4 byte hole in the structure. For x86_64, this shrinks the size of the struct by 8 bytes. 'pahole' output before the change: /* size: 232, cachelines: 4, members: 27 */ /* sum members: 222, holes: 1, sum holes: 4 */ /* sum bitfield members: 8 bits (1 bytes) */ /* padding: 5 */ /* last cacheline: 40 bytes */ 'pahole' output after the change: /* size: 224, cachelines: 4, members: 27 */ /* padding: 1 */ /* last cacheline: 32 bytes */ Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-07-13NFSv4: Fix races in the legacy idmapper upcallTrond Myklebust1-22/+24
nfs_idmap_instantiate() will cause the process that is waiting in request_key_with_auxdata() to wake up and exit. If there is a second process waiting for the idmap->idmap_mutex, then it may wake up and start a new call to request_key_with_auxdata(). If the call to idmap_pipe_downcall() from the first process has not yet finished calling nfs_idmap_complete_pipe_upcall_locked(), then we may end up triggering the WARN_ON_ONCE() in nfs_idmap_prepare_pipe_upcall(). The fix is to ensure that we clear idmap->idmap_upcall_data before calling nfs_idmap_instantiate(). Fixes: e9ab41b620e4 ("NFSv4: Clean up the legacy idmapper upcall") Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-07-12NFS: Allow setting rsize / wsize to a multiple of PAGE_SIZEAnna Schumaker4-10/+31
Previously, we required this to value to be a power of 2 for UDP related reasons. This patch keeps the power of 2 rule for UDP but allows more flexibility for TCP and RDMA. Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-07-12sunrpc: fix expiry of auth credsDan Aloni1-1/+1
Before this commit, with a large enough LRU of expired items (100), the loop skipped all the expired items and was entirely ineffectual in trimming the LRU list. Fixes: 95cd623250ad ('SUNRPC: Clean up the AUTH cache code') Signed-off-by: Dan Aloni <dan.aloni@vastdata.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-07-12nfs: fix port value parsingIan Kent1-1/+1
The valid values of nfs options port and mountport are 0 to USHRT_MAX. The fs parser will return a fail for port values that are negative and the sloppy option handling then returns success. But the sloppy option handling is meant to return success for invalid options not valid options with invalid values. Restricting the sloppy option override to handle failure returns for invalid options only is sufficient to resolve this problem. Changes: v2: utilize the return value from fs_parse() to resolve this problem instead of changing the parameter definitions. Suggested-by: Trond Myklebust <trondmy@hammerspace.com> Signed-off-by: Ian Kent <raven@themaw.net> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-07-12nfs: Replace kmap() with kmap_local_page()Fabio M. De Francesco1-2/+2
The use of kmap() is being deprecated in favor of kmap_local_page(). With kmap_local_page(), the mapping is per thread, CPU local and not globally visible. Furthermore, the mapping can be acquired from any context (including interrupts). Therefore, use kmap_local_page() in nfs_do_filldir() because this mapping is per thread, CPU local, and not globally visible. Suggested-by: Ira Weiny <ira.weiny@intel.com> Signed-off-by: Fabio M. De Francesco <fmdefrancesco@gmail.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-07-12NFS: remove redundant code in nfs_file_write()ChenXiaoSong1-2/+0
filemap_fdatawait_range() will always return 0, after patch 6c984083ec24 ("NFS: Use of mapping_set_error() results in spurious errors"), it will not save the wb err in struct address_space->flags: result = filemap_fdatawait_range(file->f_mapping, ...) = 0 filemap_check_errors(mapping) = 0 test_bit(..., &mapping->flags) // flags is 0 Signed-off-by: ChenXiaoSong <chenxiaosong2@huawei.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-07-12nfs/blocklayout: refactor block device openingChristoph Hellwig1-31/+11
Deduplicate the helpers to open a device node by passing a name prefix argument and using the same helper for both kinds of paths. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-07-12NFSv4.1: Handle NFS4ERR_DELAY replies to OP_SEQUENCE correctlyTrond Myklebust1-1/+0
Don't assume that the NFS4ERR_DELAY means that the server is processing this slot id. Fixes: 3453d5708b33 ("NFSv4.1: Avoid false retries when RPC calls are interrupted") Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-07-12NFSv4.1: Don't decrease the value of seq_nr_highest_sentTrond Myklebust1-3/+2
When we're trying to figure out what the server may or may not have seen in terms of request numbers, do not assume that requests with a larger number were missed, just because we saw a reply to a request with a smaller number. Fixes: 3453d5708b33 ("NFSv4.1: Avoid false retries when RPC calls are interrupted") Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-07-10NFS: Fix case insensitive renamesTrond Myklebust1-0/+4
For filesystems that are case insensitive and case preserving, we need to be able to rename from one case folded variant of the filename to another. Currently, if we have looked up the target filename before the call to rename, then we may have a hashed dentry with that target name in the dcache, causing the vfs to optimise away the rename. To avoid that, let's drop the target dentry, and leave it to the server to optimise away the rename if that is the correct thing to do. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-07-10pNFS/files: Handle RDMA connection errors correctlyTrond Myklebust1-0/+2
The RPC/RDMA driver will return -EPROTO and -ENODEV as connection errors under certain circumstances. Make sure that we handle them correctly and avoid cycling forever in a LAYOUTGET/LAYOUTRETURN loop. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-07-10pNFS/flexfiles: Report RDMA connection errors to the serverTrond Myklebust1-0/+4
The RPC/RDMA driver will return -EPROTO and -ENODEV as connection errors under certain circumstances. Make sure that we handle them and report them to the server. If not, we can end up cycling forever in a LAYOUTGET/LAYOUTRETURN loop. Fixes: a12f996d3413 ("NFSv4/pNFS: Use connections to a DS that are all of the same protocol family") Cc: stable@vger.kernel.org # 5.11.x Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-07-10Revert "pNFS: nfs3_set_ds_client should set NFS_CS_NOPING"Trond Myklebust1-1/+0
This reverts commit c6eb58435b98bd843d3179664a0195ff25adb2c3. If a transport is down, then we want to fail over to other transports if they are listed in the GETDEVICEINFO reply. Fixes: c6eb58435b98 ("pNFS: nfs3_set_ds_client should set NFS_CS_NOPING") Cc: stable@vger.kernel.org # 5.11.x Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-07-10SUNRPC: Fix an RPC/RDMA performance regressionTrond Myklebust3-12/+6
Use the standard gfp mask instead of using GFP_NOWAIT. The latter causes issues when under memory pressure. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2022-07-10Linux 5.19-rc6Linus Torvalds1-1/+1
2022-07-10Merge branch 'hot-fixes' (fixes for rc6)Linus Torvalds3-13/+18
This is a collection of three fixes for small annoyances. Two of these are already pending in other trees, but I really don't want to release another -rc with these issues pending, so I picked up the patches for these things directly. We'll end up with duplicate commits eventually, I prefer that over having these issues pending. The third one is just me getting rid of another BUG_ON() just because it was reported and I dislike those things so much. * merge 'hot-fixes' branch: ida: don't use BUG_ON() for debugging drm/aperture: Run fbdev removal before internal helpers ptrace: fix clearing of JOBCTL_TRACED in ptrace_unfreeze_traced()
2022-07-10ida: don't use BUG_ON() for debuggingLinus Torvalds1-1/+2
This is another old BUG_ON() that just shouldn't exist (see also commit a382f8fee42c: "signal handling: don't use BUG_ON() for debugging"). In fact, as Matthew Wilcox points out, this condition shouldn't really even result in a warning, since a negative id allocation result is just a normal allocation failure: "I wonder if we should even warn here -- sure, the caller is trying to free something that wasn't allocated, but we don't warn for kfree(NULL)" and goes on to point out how that current error check is only causing people to unnecessarily do their own index range checking before freeing it. This was noted by Itay Iellin, because the bluetooth HCI socket cookie code does *not* do that range checking, and ends up just freeing the error case too, triggering the BUG_ON(). The HCI code requires CAP_NET_RAW, and seems to just result in an ugly splat, but there really is no reason to BUG_ON() here, and we have generally striven for allocation models where it's always ok to just do free(alloc()); even if the allocation were to fail for some random reason (usually obviously that "random" reason being some resource limit). Fixes: 88eca0207cf1 ("ida: simplified functions for id allocation") Reported-by: Itay Iellin <ieitayie@gmail.com> Suggested-by: Matthew Wilcox <willy@infradead.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2022-07-10Merge tag 'dmaengine-fix-5.19' of ↵Linus Torvalds11-56/+43
git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine Pull dmaengine fixes from Vinod Koul: "One core fix for DMA_INTERRUPT and rest driver fixes. Core: - Revert verification of DMA_INTERRUPT capability as that was incorrect Bunch of driver fixes for: - ti: refcount and put_device leak - qcom_bam: runtime pm overflow - idxd: force wq context cleanup and call idxd_enable_system_pasid() on success - dw-axi-dmac: RMW on channel suspend register - imx-sdma: restart cyclic channel when enabled - at_xdma: error handling for at_xdmac_alloc_desc - pl330: lockdep warning - lgm: error handling path in probe - allwinner: Fix min/max typo in binding" * tag 'dmaengine-fix-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: dt-bindings: dma: allwinner,sun50i-a64-dma: Fix min/max typo dmaengine: lgm: Fix an error handling path in intel_ldma_probe() dmaengine: pl330: Fix lockdep warning about non-static key dmaengine: idxd: Only call idxd_enable_system_pasid() if succeeded in enabling SVA feature dmaengine: at_xdma: handle errors of at_xdmac_alloc_desc() correctly dmaengine: imx-sdma: only restart cyclic channel when enabled dmaengine: dw-axi-dmac: Fix RMW on channel suspend register dmaengine: idxd: force wq context cleanup on device disable path dmaengine: qcom: bam_dma: fix runtime PM underflow dmaengine: imx-sdma: Allow imx8m for imx7 FW revs dmaengine: Revert "dmaengine: add verification of DMA_INTERRUPT capability for dmatest" dmaengine: ti: Add missing put_device in ti_dra7_xbar_route_allocate dmaengine: ti: Fix refcount leak in ti_dra7_xbar_route_allocate
2022-07-10Merge tag 'staging-5.19-rc6' of ↵Linus Torvalds1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging Pull staging driver fix from Greg KH: "Here is a single staging driver fix for a reported problem that showed up in 5.19-rc1 in the wlan-ng driver. It has been in linux-next for a week with no reported problems" * tag 'staging-5.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: staging/wlan-ng: get the correct struct hfa384x in work callback
2022-07-10Merge tag 'char-misc-5.19-rc6' of ↵Linus Torvalds3-24/+31
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc driver fixes from Greg KH: "Here are four small char/misc driver fixes for 5.19-rc6 to resolve some reported issues. They only affect two drivers: - rtsx_usb: fix for of-reported DMA warning error, the driver was handling memory buffers in odd ways, it has now been fixed up to be much simpler and correct by Shuah. - at25 eeprom driver bugfix for reported problem All of these have been in linux-next for a week with no reported problems" * tag 'char-misc-5.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: misc: rtsx_usb: set return value in rsp_buf alloc err path misc: rtsx_usb: use separate command and response buffers misc: rtsx_usb: fix use of dma mapped buffer for usb bulk transfer eeprom: at25: Rework buggy read splitting
2022-07-10Merge tag 'io_uring-5.19-2022-07-09' of git://git.kernel.dk/linux-blockLinus Torvalds1-0/+3
Pull io_uring fix from Jens Axboe: "A single fix for an issue that came up yesterday that we should plug for -rc6. This is a regression introduced in this cycle" * tag 'io_uring-5.19-2022-07-09' of git://git.kernel.dk/linux-block: io_uring: check that we have a file table when allocating update slots
2022-07-10Merge tag 'kbuild-fixes-v5.19-3' of ↵Linus Torvalds2-6/+3
git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild fixes from Masahiro Yamada: - Adjust gen_compile_commands.py to the format change of *.mod files - Remove unused macro in scripts/Makefile.modinst * tag 'kbuild-fixes-v5.19-3' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: kbuild: remove unused cmd_none in scripts/Makefile.modinst gen_compile_commands: handle multiple lines per .mod file
2022-07-10Merge tag 'irq_urgent_for_v5.19_rc6' of ↵Linus Torvalds3-12/+33
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull irq fixes from Borislav Petkov: - Gracefully handle failure to request MMIO resources in the GICv3 driver - Make a static key static in the Apple AIC driver - Fix the Xilinx intc driver dependency on OF_ADDRESS * tag 'irq_urgent_for_v5.19_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: irqchip/apple-aic: Make symbol 'use_fast_ipi' static irqchip/xilinx: Add explicit dependency on OF_ADDRESS irqchip/gicv3: Handle resource request failure consistently
2022-07-10Merge tag 'x86_urgent_for_v5.19_rc6' of ↵Linus Torvalds8-16/+29
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fixes from Borislav Petkov: - Prepare for and clear .brk early in order to address XenPV guests failures where the hypervisor verifies page tables and uninitialized data in that range leads to bogus failures in those checks - Add any potential setup_data entries supplied at boot to the identity pagetable mappings to prevent kexec kernel boot failures. Usually, this is not a problem for the normal kernel as those mappings are part of the initially mapped 2M pages but if kexec gets to allocate the second kernel somewhere else, those setup_data entries need to be mapped there too. - Fix objtool not to discard text references from the __tracepoints section so that ENDBR validation still works - Correct the setup_data types limit as it is user-visible, before 5.19 releases * tag 'x86_urgent_for_v5.19_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/boot: Fix the setup data types max limit x86/ibt, objtool: Don't discard text references from tracepoint section x86/compressed/64: Add identity mappings for setup_data entries x86: Fix .brk attribute in linker script x86: Clear .brk area at early boot x86/xen: Use clear_bss() for Xen PV guests
2022-07-10kbuild: remove unused cmd_none in scripts/Makefile.modinstMasahiro Yamada1-3/+0
Commit 65ce9c38326e ("kbuild: move module strip/compression code into scripts/Makefile.modinst") added this unused code. Perhaps, I thought cmd_none was useful for CONFIG_MODULE_COMPRESS_NONE, but I did not use it after all. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
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