| Age | Commit message (Collapse) | Author |
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and 'struct x86_init'
Instead of x86_hyper being either NULL on bare metal or a pointer to a
struct hypervisor_x86 in case of the kernel running as a guest merge
the struct into x86_platform and x86_init.
This will remove the need for wrappers making it hard to find out what
is being called. With dummy functions added for all callbacks testing
for a NULL function pointer can be removed, too.
Suggested-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Juergen Gross <jgross@suse.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: akataria@vmware.com
Cc: boris.ostrovsky@oracle.com
Cc: devel@linuxdriverproject.org
Cc: haiyangz@microsoft.com
Cc: kvm@vger.kernel.org
Cc: kys@microsoft.com
Cc: pbonzini@redhat.com
Cc: rkrcmar@redhat.com
Cc: rusty@rustcorp.com.au
Cc: sthemmin@microsoft.com
Cc: virtualization@lists.linux-foundation.org
Cc: xen-devel@lists.xenproject.org
Link: http://lkml.kernel.org/r/20171109132739.23465-2-jgross@suse.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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These two functions are only called by tsc_init(), which is an __init
function during boot time, so mark them __init as well.
Signed-off-by: Dou Liyang <douly.fnst@cn.fujitsu.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1510135792-17429-1-git-send-email-douly.fnst@cn.fujitsu.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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This adds support for the following PEAK-System CAN FD interfaces:
PCAN-cPCIe FD CAN FD Interface for cPCI Serial (2 or 4 channels)
PCAN-PCIe/104-Express CAN FD Interface for PCIe/104-Express (1, 2 or 4 ch.)
PCAN-miniPCIe FD CAN FD Interface for PCIe Mini (1, 2 or 4 channels)
PCAN-PCIe FD OEM CAN FD Interface for PCIe OEM version (1, 2 or 4 ch.)
PCAN-M.2 CAN FD Interface for M.2 (1 or 2 channels)
Like the PCAN-PCIe FD interface, all of these boards run the same IP Core
that is able to handle CAN FD (see also http://www.peak-system.com).
Signed-off-by: Stephane Grosjean <s.grosjean@peak-system.com>
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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SUN4Is CAN IP has a 64 byte deep FIFO buffer. If the buffer is not
drained fast enough (overrun) it's getting mangled. Already received
frames are dropped - the data can't be restored.
Signed-off-by: Gerhard Bertelsmann <info@gerhard-bertelsmann.de>
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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The D_CAN controller doesn't provide a triple sampling mode, so don't set
the CAN_CTRLMODE_3_SAMPLES flag in ctrlmode_supported. Currently enabling
triple sampling is a no-op.
Signed-off-by: Richard Schütz <rschuetz@uni-koblenz.de>
Cc: linux-stable <stable@vger.kernel.org> # >= v3.6
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Conflicts:
arch/x86/mm/mem_encrypt.c
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Most of x86/mm is already in x86/asm, so merge the rest too.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Commit:
9a93848fe787 ("x86/debug: Implement __WARN() using UD0")
turned warnings into UD0, but the fixup code only runs after the
notify_die() chain. This is a problem, in particular, with kgdb,
which kicks in as if it was a BUG().
Fix this by running the fixup code before the notifier chain in
the invalid op handler path.
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Tested-by: Ilya Dryomov <idryomov@gmail.com>
Acked-by: Daniel Thompson <daniel.thompson@linaro.org>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Jason Wessel <jason.wessel@windriver.com>
Cc: Arjan van de Ven <arjan@linux.intel.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Richard Weinberger <richard.weinberger@gmail.com>
Cc: <stable@vger.kernel.org> # v4.12+
Link: http://lkml.kernel.org/r/20170724100428.19173-1-alexander.shishkin@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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This is to prevent the case of working with a single MPWQE
(1 WQE is always reserved as RQ is linked-list).
When the WQE is fully consumed, HW should still have available buffer
in order not to drop packets.
Fixes: 461017cb006a ("net/mlx5e: Support RX multi-packet WQE (Striding RQ)")
Signed-off-by: Eugenia Emantayev <eugenia@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Cc: kernel-team@fb.com
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Currently, when dma mapping fails, put_page is called,
but the page is not set to null. Later, in the page_reuse treatment in
mlx5e_free_rx_descs(), mlx5e_page_release() is called for the second time,
improperly doing dma_unmap (for a non-mapped address) and an extra put_page.
Prevent this by nullifying the page pointer when dma_map fails.
Fixes: accd58833237 ("net/mlx5e: Introduce RX Page-Reuse")
Signed-off-by: Inbar Karmy <inbark@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Cc: kernel-team@fb.com
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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napi->poll can be called with budget 0, e.g. in netpoll scenarios
where the caller only wants to poll TX rings
(poll_one_napi@net/core/netpoll.c).
The below commit changed RX polling from "while" loop to "do {} while",
which caused to ignore the initial budget and handle at least one RX
packet.
This fixes the following warning:
[ 2852.049194] mlx5e_napi_poll+0x0/0x260 [mlx5_core] exceeded budget in poll
[ 2852.049195] ------------[ cut here ]------------
[ 2852.049195] WARNING: CPU: 0 PID: 25691 at net/core/netpoll.c:171 netpoll_poll_dev+0x18a/0x1a0
Fixes: 4b7dfc992514 ("net/mlx5e: Early-return on empty completion queues")
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Reported-by: Martin KaFai Lau <kafai@fb.com>
Tested-by: Martin KaFai Lau <kafai@fb.com>
Cc: kernel-team@fb.com
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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After the panic teardown firmware command, health_care detects the error
in PCI bus and calls the mlx5_pci_err_detected. This health_care flow is
no longer needed because the panic teardown firmware command will bring
down the PCI bus communication with the HCA.
The solution is to cancel the health care timer and its pending
workqueue request before sending panic teardown firmware command.
Kernel trace:
mlx5_core 0033:01:00.0: Shutdown was called
mlx5_core 0033:01:00.0: health_care:154:(pid 9304): handling bad device here
mlx5_core 0033:01:00.0: mlx5_handle_bad_state:114:(pid 9304): NIC state 1
mlx5_core 0033:01:00.0: mlx5_pci_err_detected was called
mlx5_core 0033:01:00.0: mlx5_enter_error_state:96:(pid 9304): start
mlx5_3:mlx5_ib_event:3061:(pid 9304): warning: event on port 0
mlx5_core 0033:01:00.0: mlx5_enter_error_state:104:(pid 9304): end
Unable to handle kernel paging request for data at address 0x0000003f
Faulting instruction address: 0xc0080000434b8c80
Fixes: 8812c24d28f4 ('net/mlx5: Add fast unload support in shutdown flow')
Signed-off-by: Huy Nguyen <huyn@mellanox.com>
Reviewed-by: Moshe Shemesh <moshe@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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list_splice_init initializing waiting_events_list after splicing it to
temp list, therefore we should loop over temp list to fire the events.
Fixes: 4ca637a20a52 ("net/mlx5: Delay events till mlx5 interface's add complete for pci resume")
Signed-off-by: Huy Nguyen <huyn@mellanox.com>
Signed-off-by: Feras Daoud <ferasda@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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rds_ib_recv_refill() is a function that refills an IB receive
queue. It can be called from both the CQE handler (tasklet) and a
worker thread.
Just after the call to ib_post_recv(), a debug message is printed with
rdsdebug():
ret = ib_post_recv(ic->i_cm_id->qp, &recv->r_wr, &failed_wr);
rdsdebug("recv %p ibinc %p page %p addr %lu ret %d\n", recv,
recv->r_ibinc, sg_page(&recv->r_frag->f_sg),
(long) ib_sg_dma_address(
ic->i_cm_id->device,
&recv->r_frag->f_sg),
ret);
Now consider an invocation of rds_ib_recv_refill() from the worker
thread, which is preemptible. Further, assume that the worker thread
is preempted between the ib_post_recv() and rdsdebug() statements.
Then, if the preemption is due to a receive CQE event, the
rds_ib_recv_cqe_handler() will be invoked. This function processes
receive completions, including freeing up data structures, such as the
recv->r_frag.
In this scenario, rds_ib_recv_cqe_handler() will process the receive
WR posted above. That implies, that the recv->r_frag has been freed
before the above rdsdebug() statement has been executed. When it is
later executed, we will have a NULL pointer dereference:
[ 4088.068008] BUG: unable to handle kernel NULL pointer dereference at 0000000000000020
[ 4088.076754] IP: rds_ib_recv_refill+0x87/0x620 [rds_rdma]
[ 4088.082686] PGD 0 P4D 0
[ 4088.085515] Oops: 0000 [#1] SMP
[ 4088.089015] Modules linked in: rds_rdma(OE) rds(OE) rpcsec_gss_krb5(E) nfsv4(E) dns_resolver(E) nfs(E) fscache(E) mlx4_ib(E) ib_ipoib(E) rdma_ucm(E) ib_ucm(E) ib_uverbs(E) ib_umad(E) rdma_cm(E) ib_cm(E) iw_cm(E) ib_core(E) binfmt_misc(E) sb_edac(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) irqbypass(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) pcbc(E) aesni_intel(E) crypto_simd(E) iTCO_wdt(E) glue_helper(E) iTCO_vendor_support(E) sg(E) cryptd(E) pcspkr(E) ipmi_si(E) ipmi_devintf(E) ipmi_msghandler(E) shpchp(E) ioatdma(E) i2c_i801(E) wmi(E) lpc_ich(E) mei_me(E) mei(E) mfd_core(E) nfsd(E) auth_rpcgss(E) nfs_acl(E) lockd(E) grace(E) sunrpc(E) ip_tables(E) ext4(E) mbcache(E) jbd2(E) fscrypto(E) mgag200(E) i2c_algo_bit(E) drm_kms_helper(E) syscopyarea(E) sysfillrect(E) sysimgblt(E)
[ 4088.168486] fb_sys_fops(E) ahci(E) ixgbe(E) libahci(E) ttm(E) mdio(E) ptp(E) pps_core(E) drm(E) sd_mod(E) libata(E) crc32c_intel(E) mlx4_core(E) i2c_core(E) dca(E) megaraid_sas(E) dm_mirror(E) dm_region_hash(E) dm_log(E) dm_mod(E) [last unloaded: rds]
[ 4088.193442] CPU: 20 PID: 1244 Comm: kworker/20:2 Tainted: G OE 4.14.0-rc7.master.20171105.ol7.x86_64 #1
[ 4088.205097] Hardware name: Oracle Corporation ORACLE SERVER X5-2L/ASM,MOBO TRAY,2U, BIOS 31110000 03/03/2017
[ 4088.216074] Workqueue: ib_cm cm_work_handler [ib_cm]
[ 4088.221614] task: ffff885fa11d0000 task.stack: ffffc9000e598000
[ 4088.228224] RIP: 0010:rds_ib_recv_refill+0x87/0x620 [rds_rdma]
[ 4088.234736] RSP: 0018:ffffc9000e59bb68 EFLAGS: 00010286
[ 4088.240568] RAX: 0000000000000000 RBX: ffffc9002115d050 RCX: ffffc9002115d050
[ 4088.248535] RDX: ffffffffa0521380 RSI: ffffffffa0522158 RDI: ffffffffa0525580
[ 4088.256498] RBP: ffffc9000e59bbf8 R08: 0000000000000005 R09: 0000000000000000
[ 4088.264465] R10: 0000000000000339 R11: 0000000000000001 R12: 0000000000000000
[ 4088.272433] R13: ffff885f8c9d8000 R14: ffffffff81a0a060 R15: ffff884676268000
[ 4088.280397] FS: 0000000000000000(0000) GS:ffff885fbec80000(0000) knlGS:0000000000000000
[ 4088.289434] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4088.295846] CR2: 0000000000000020 CR3: 0000000001e09005 CR4: 00000000001606e0
[ 4088.303816] Call Trace:
[ 4088.306557] rds_ib_cm_connect_complete+0xe0/0x220 [rds_rdma]
[ 4088.312982] ? __dynamic_pr_debug+0x8c/0xb0
[ 4088.317664] ? __queue_work+0x142/0x3c0
[ 4088.321944] rds_rdma_cm_event_handler+0x19e/0x250 [rds_rdma]
[ 4088.328370] cma_ib_handler+0xcd/0x280 [rdma_cm]
[ 4088.333522] cm_process_work+0x25/0x120 [ib_cm]
[ 4088.338580] cm_work_handler+0xd6b/0x17aa [ib_cm]
[ 4088.343832] process_one_work+0x149/0x360
[ 4088.348307] worker_thread+0x4d/0x3e0
[ 4088.352397] kthread+0x109/0x140
[ 4088.355996] ? rescuer_thread+0x380/0x380
[ 4088.360467] ? kthread_park+0x60/0x60
[ 4088.364563] ret_from_fork+0x25/0x30
[ 4088.368548] Code: 48 89 45 90 48 89 45 98 eb 4d 0f 1f 44 00 00 48 8b 43 08 48 89 d9 48 c7 c2 80 13 52 a0 48 c7 c6 58 21 52 a0 48 c7 c7 80 55 52 a0 <4c> 8b 48 20 44 89 64 24 08 48 8b 40 30 49 83 e1 fc 48 89 04 24
[ 4088.389612] RIP: rds_ib_recv_refill+0x87/0x620 [rds_rdma] RSP: ffffc9000e59bb68
[ 4088.397772] CR2: 0000000000000020
[ 4088.401505] ---[ end trace fe922e6ccf004431 ]---
This bug was provoked by compiling rds out-of-tree with
EXTRA_CFLAGS="-DRDS_DEBUG -DDEBUG" and inserting an artificial delay
between the rdsdebug() and ib_ib_port_recv() statements:
/* XXX when can this fail? */
ret = ib_post_recv(ic->i_cm_id->qp, &recv->r_wr, &failed_wr);
+ if (can_wait)
+ usleep_range(1000, 5000);
rdsdebug("recv %p ibinc %p page %p addr %lu ret %d\n", recv,
recv->r_ibinc, sg_page(&recv->r_frag->f_sg),
(long) ib_sg_dma_address(
The fix is simply to move the rdsdebug() statement up before the
ib_post_recv() and remove the printing of ret, which is taken care of
anyway by the non-debug code.
Signed-off-by: Håkon Bugge <haakon.bugge@oracle.com>
Reviewed-by: Knut Omang <knut.omang@oracle.com>
Reviewed-by: Wei Lin Guay <wei.lin.guay@oracle.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When mounting fails, we must force-reclaim inodes (and disable delayed
reclaim) /after/ the realtime and quota control have let go of the
realtime and quota inodes. Without this, we corrupt the timer list and
cause other weird problems.
Found by xfs/376 fuzzing u3.bmbt[0].lastoff on an rmap filesystem to
force a bogus post-eof extent reclaim that causes the fs to go down.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
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Make sure we don't list a block twice in the agfl by copying the
contents of the AGFL to an array, sorting it, and looking for
duplicates. We can easily check that the number of agfl entries we see
actually matches the flcount, so do that too.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
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Merge misc fixes from Andrew Morton:
"2 fixes"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
MAINTAINERS: update TPM driver infrastructure changes
sysctl: add register_sysctl() dummy helper
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[akpm@linux-foundation.org: alpha-sort CREDITS, per Randy]
Link: http://lkml.kernel.org/r/20170915223811.21368-1-jarkko.sakkinen@linux.intel.com
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Cc: Marcel Selhorst <tpmdd@selhorst.net>
Cc: Ashley Lai <ashleydlai@gmail.com>
Cc: Mimi Zohar <zohar@linux.vnet.ibm.com>
Cc: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Cc: Boris Brezillon <boris.brezillon@free-electrons.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: Håvard Skinnemoen <hskinnemoen@gmail.com>
Cc: Martin Kepplinger <martink@posteo.de>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Hans-Christian Noren Egtvedt <egtvedt@samfundet.no>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Gertjan van Wingerde <gwingerde@gmail.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: David S. Miller <davem@davemloft.net>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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register_sysctl() has been around for five years with commit
fea478d4101a ("sysctl: Add register_sysctl for normal sysctl users") but
now that arm64 started using it, I ran into a compile error:
arch/arm64/kernel/armv8_deprecated.c: In function 'register_insn_emulation_sysctl':
arch/arm64/kernel/armv8_deprecated.c:257:2: error: implicit declaration of function 'register_sysctl'
This adds a inline function like we already have for
register_sysctl_paths() and register_sysctl_table().
Link: http://lkml.kernel.org/r/20171106133700.558647-1-arnd@arndb.de
Fixes: 38b9aeb32fa7 ("arm64: Port deprecated instruction emulation to new sysctl interface")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Dave Martin <Dave.Martin@arm.com>
Acked-by: Kees Cook <keescook@chromium.org>
Acked-by: Will Deacon <will.deacon@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: "Luis R. Rodriguez" <mcgrof@kernel.org>
Cc: Alex Benne <alex.bennee@linaro.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI maintainership updates from Bjorn Helgaas:
"Update MAINTAINERS for HiSilicon, Microsemi Switchtec, and native host
bridge drivers (Gabriele Paoloni, Sebastian Andrzej Siewior).
Note that starting with changes intended for v4.16, Lorenzo Pieralisi
will maintain the drivers/pci/{dwc,endpoint,host} directories. My
intent is to continue to merge those changes via my tree, so this
should be transparent to you"
* tag 'pci-v4.14-fixes-7' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
MAINTAINERS: Add Lorenzo Pieralisi for PCI host bridge drivers
MAINTAINERS: Remove Gabriele Paoloni as HiSilicon PCI maintainer
MAINTAINERS: Remove Stephen Bates as Microsemi Switchtec maintainer
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Pull ARM fix from Russell King:
"Last ARM fix for 4.14.
This plugs a hole in dump_instr(), which, with certain conditions
satisfied, can dump instructions from kernel space"
* 'fixes' of git://git.armlinux.org.uk/~rmk/linux-arm:
ARM: 8720/1: ensure dump_instr() checks addr_limit
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Use the uint* types instead of the u_int* types. This will (hopefully)
pair with an xfsprogs cleanup.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
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Improve the binding example by removing all the leading zeros to fix the
following dtc warnings:
Warning (unit_address_format): Node /XXX unit name should not have leading 0s
Converted using the following command:
perl -p -i -e 's/\@0+([0-9a-f])/\@$1/g' `find ./Documentation/devicetree/bindings "*.txt"`
Some unnecessary changes were manually fixed.
Signed-off-by: Marco Franchi <marco.franchi@nxp.com>
Signed-off-by: Rob Herring <robh@kernel.org>
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If CONFIG_OF_ALL_DTBS is enabled, "make ARCH=arm64 dtbs" compiles each
DTB twice; one from arch/arm64/boot/dts/*/Makefile and the other from
the dtb-$(CONFIG_OF_ALL_DTBS) line in arch/arm64/boot/dts/Makefile.
It could be a race problem when building DTBS in parallel.
Another minor issue is CONFIG_OF_ALL_DTBS covers only *.dts in vendor
sub-directories, so this broke when Broadcom added one more hierarchy
in arch/arm64/boot/dts/broadcom/<soc>/.
One idea to fix the issues in a clean way is to move DTB handling
to Kbuild core scripts. Makefile.dtbinst already recognizes dtb-y
natively, so it should not hurt to do so.
Add $(dtb-y) to extra-y, and $(dtb-) as well if CONFIG_OF_ALL_DTBS is
enabled. All clutter things in Makefiles go away.
As a bonus clean-up, I also removed dts-dirs. Just use subdir-y
directly to traverse sub-directories.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
[robh: corrected BUILTIN_DTB to CONFIG_BUILTIN_DTB]
Signed-off-by: Rob Herring <robh@kernel.org>
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arch/mips/boot/dts/brcm/bcm96358nb4ser.dts does not exist, so
we cannot build bcm96358nb4ser.dtb .
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Fixes: 695835511f96 ("MIPS: BMIPS: rename bcm96358nb4ser to bcm6358-neufbox4-sercom")
Cc: stable@vger.kernel.org # 4.9+
Acked-by: James Hogan <jhogan@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux into pm-tools
Pull cpupower utility changes for v4.15 from Shuah Khan.
This cpupower update consists of fixes to the MHz frequency output and
adding 64-bit library detection.
* tag 'linux-cpupower-4.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux:
tools/power/cpupower: add libcpupower.so.0.0.1 to .gitignore
tools/power/cpupower: Add 64 bit library detection
cpupower: Fix no-rounding MHz frequency output
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And also rename fill to nr_entries to match the rest of the code.
Reported-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
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Reported-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
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Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
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Reported-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
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Reported-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
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Fix to check the correct value, and remove a duplicate handling of the
uneven record number split algorith,
Reported-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
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Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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The IOP interrupt handler iop_ism_irq() is used by the adb-iop
driver to poll for ADB request completion. Unfortunately, it is not
re-entrant. Fix the race condition by adding an iop_ism_irq_poll()
function with suitable mutual exclusion.
Tested-by: Stan Johnson <userm57@yahoo.com>
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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The Nubus subsystem should not be concerned with differences between VIA,
RBV and OSS platforms. It should be portable across Macs and PowerMacs.
This goal has implications for the initialization code relating to bus
locking and slot interrupts.
During Nubus initialization, bus transactions are "unlocked": on VIA2 and
RBV machines, via_nubus_init() sets a bit in the via2[gBufB] register to
allow bus-mastering Nubus cards to arbitrate for the bus. This happens
upon subsys_initcall(nubus_init). But because nubus_init() has no effect
on card state, this sequence is arbitrary.
Moreover, when Penguin is used to boot Linux, the bus is already unlocked
when Linux starts. On OSS machines there's no attempt to unlock Nubus
transactions at all. (Maybe there's no benefit on that platform or maybe
no-one knows how.)
All of this demonstrates that there's no benefit in locking out
bus-mastering cards, as yet. (If the need arises, we could lock the bus
for the duration of a timing-critical operation.) NetBSD unlocks the
Nubus early (at VIA initialization) and we can do the same.
via_nubus_init() is also responsible for some VIA interrupt setup that
should happen earlier than subsys_initcall(nubus_init). And actually, the
Nubus subsystem need not be involved with slot interrupts: SLOT2IRQ
works fine because Nubus slot IRQs are geographically assigned
(regardless of platform).
For certain platforms with PDS slots, some Nubus IRQs may be platform
IRQs and this is not something that the NuBus subsystem should worry
about. So let's invoke via_nubus_init() earlier and make the platform
responsible for bus unlocking and interrupt setup instead of the NuBus
subsystem.
Tested-by: Stan Johnson <userm57@yahoo.com>
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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macintosh_config->via_type is meaningless on Mac IIfx (i.e. the only
model with OSS chip), so skip the via_type switch statement.
Call oss_init() before via_init() because it is more important and
because that is the right place to initialize the oss_present flag.
On this model, bringing forward oss_init() and delaying via_init()
is no problem because those functions are independent.
The only requirement here is that oss_register_interrupts() happens
after via_init(). That is, mac_init_IRQ() happens after config_mac().
Tested-by: Stan Johnson <userm57@yahoo.com>
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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Log message fragments used to be printed on one line but now get split up.
Fix this. Also, suppress log spam that merely prints known pointer values.
Tested-by: Stan Johnson <userm57@yahoo.com>
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull final power management fixes from Rafael Wysocki:
"These fix a regression in the schedutil cpufreq governor introduced by
a recent change and blacklist Dell XPS13 9360 from using the Low Power
S0 Idle _DSM interface which triggers serious problems on one of these
machines.
Specifics:
- Prevent the schedutil cpufreq governor from using the utilization
of a wrong CPU in some cases which started to happen after one of
the recent changes in it (Chris Redpath).
- Blacklist Dell XPS13 9360 from using the Low Power S0 Idle _DSM
interface as that causes serious issue (related to NVMe) to appear
on one of these machines, even though the other Dells XPS13 9360 in
somewhat different HW configurations behave correctly (Rafael
Wysocki)"
* tag 'pm-final-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI / PM: Blacklist Low Power S0 Idle _DSM for Dell XPS13 9360
cpufreq: schedutil: Examine the correct CPU when we update util
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"The amount of the changes isn't as quite small as wished, nevertheless
they are straight fixes that deserve merging to 4.14 final.
Most of fixes are about ALSA core bugs spotted by fuzzer: a follow-up
fix for the previous nested rwsem patch, a fix to avoid the resource
hogs due to too many concurrent ALSA timer invocations, and a fix for
a crash with SYSEX MIDI transfer over OSS sequencer emulation that is
used by none but fuzzer.
The rest are usual HD-audio and USB-audio device-specific quirks,
which are safe to apply"
* tag 'sound-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda - fix headset mic problem for Dell machines with alc274
ALSA: seq: Fix OSS sysex delivery in OSS emulation
ALSA: seq: Avoid invalid lockdep class warning
ALSA: timer: Limit max instances per timer
ALSA: usb-audio: support new Amanero Combo384 firmware version
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Commit ac5a181d065d ("cpupower: Add cpuidle parts into library") added
libcpupower.so.0.0.1 which should be hidden from git commands. This
patch changes the ignore to all libcpupower.so.* .
Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Cc: Shuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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The kernel-tools-lib rpm is installing the library to /usr/lib64, and not
/usr/lib as the cpupower Makefile is doing in the kernel tree. This
resulted in a conflict between the two libraries. After looking at how
other tools installed libraries, and looking at the perf code in
tools/perf it looks like installing to /usr/lib64 for 64-bit arches is the
correct thing to do.
Checks with 'ldd cpupower' on SLES, RHEL, Fedora, and Ubuntu result in
the correct binary AFAICT:
[root@testsystem cpupower]# ldd cpupower | grep cpupower
libcpupower.so.0 => /lib64/libcpupower.so.0 (0x00007f1dab447000)
Commit ac5a181d065d ("cpupower: Add cpuidle parts into library") added a
new cpupower library version. On Fedora, executing the cpupower binary
then resulted in this error
[root@testsystem cpupower]# ./cpupower monitor
./cpupower: symbol lookup error: ./cpupower: undefined symbol:
get_cpu_topology
64-bit libraries should be installed to /usr/lib64, and other libraries
should be installed to /usr/lib.
This code was taken from the perf Makefile.config which supports /usr/lib
and /usr/lib64.
Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Cc: Shuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
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Before rendering starts, DMA driver copies full buffer valid data
to ACP SRAM for the first time, after that ACP SRAM to I2S
FIFO DMA will be initiated. After rendering first half of ACP SRAM,
IOC will be raised then Audio data will be copied from first half of
System Memory to first half of ACP SRAM. Similarly after rendering
second half of ACP SRAM, IOC will be raised then Audio Data will be
copied from second half of the System Memory to second half of the
ACP SRAM in ping-pong way till rendering stops.
Old design introducing latency issues resulting stutter sound observed
during playback.
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Signed-off-by: Akshu Agrawal <Akshu.Agrawal@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Minimum time required between power On of codec and read
of RT5645_VENDOR_ID2 is 400msec. We should wait that long
before reading the value.
TEST=Cold boot the device and check for sound device.
Signed-off-by: Akshu Agrawal <akshu.agrawal@amd.com>
Signed-off-by: Bard Liao <bardliao@realtek.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Pull networking fixes from David Miller:
1) Fix use-after-free in IPSEC input parsing, desintation address
pointer was loaded before pskb_may_pull() which can change the SKB
data pointers. From Florian Westphal.
2) Stack out-of-bounds read in xfrm_state_find(), from Steffen
Klassert.
3) IPVS state of SKB is not properly reset when moving between
namespaces, from Ye Yin.
4) Fix crash in asix driver suspend and resume, from Andrey Konovalov.
5) Don't deliver ipv6 l2tp tunnel packets to ipv4 l2tp tunnels, and
vice versa, from Guillaume Nault.
6) Fix DSACK undo on non-dup ACKs, from Priyaranjan Jha.
7) Fix regression in bond_xmit_hash()'s behavior after the TCP port
selection changes back in 4.2, from Hangbin Liu.
8) Two divide by zero bugs in USB networking drivers when parsing
descriptors, from Bjorn Mork.
9) Fix bonding slaves being stuck in BOND_LINK_FAIL state, from Jay
Vosburgh.
10) Missing skb_reset_mac_header() in qmi_wwan, from Kristian Evensen.
11) Fix the destruction of tc action object races properly, from Cong
Wang.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (31 commits)
cls_u32: use tcf_exts_get_net() before call_rcu()
cls_tcindex: use tcf_exts_get_net() before call_rcu()
cls_rsvp: use tcf_exts_get_net() before call_rcu()
cls_route: use tcf_exts_get_net() before call_rcu()
cls_matchall: use tcf_exts_get_net() before call_rcu()
cls_fw: use tcf_exts_get_net() before call_rcu()
cls_flower: use tcf_exts_get_net() before call_rcu()
cls_flow: use tcf_exts_get_net() before call_rcu()
cls_cgroup: use tcf_exts_get_net() before call_rcu()
cls_bpf: use tcf_exts_get_net() before call_rcu()
cls_basic: use tcf_exts_get_net() before call_rcu()
net_sched: introduce tcf_exts_get_net() and tcf_exts_put_net()
Revert "net_sched: hold netns refcnt for each action"
net: usb: asix: fill null-ptr-deref in asix_suspend
Revert "net: usb: asix: fill null-ptr-deref in asix_suspend"
qmi_wwan: Add missing skb_reset_mac_header-call
bonding: fix slave stuck in BOND_LINK_FAIL state
qrtr: Move to postcore_initcall
net: qmi_wwan: fix divide by 0 on bad descriptors
net: cdc_ether: fix divide by 0 on bad descriptors
...
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kmem_cache_destroy already checks for null values.
Signed-off-by: Tim Hansen <devtimhansen@gmail.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
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On machines with 5-level paging we don't want to allocate mapping above
47-bit unless user explicitly asked for it. See b569bab78d8d ("x86/mm:
Prepare to expose larger address space to userspace") for details.
c715b72c1ba4 ("mm: revert x86_64 and arm64 ELF_ET_DYN_BASE base
changes") broke the behaviour. After the commit elf binary and heap got
mapped above 47-bits.
Use DEFAULT_MAP_WINDOW instead of TASK_SIZE to determine ELF_ET_DYN_BASE so
it's forced to be below 47-bits unconditionally.
Fixes: c715b72c1ba4 ("mm: revert x86_64 and arm64 ELF_ET_DYN_BASE base changes")
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: linux-mm@kvack.org
Cc: Andrew Morton <akpm@linux-foundation.org>
Link: https://lkml.kernel.org/r/20171107103804.47341-1-kirill.shutemov@linux.intel.com
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It turns out that we only started zeroing a new da btree node's block
header on v5 filesystems. Prior to that, we just wouldn't set anything
at all, which means that the pad field never got set and would retain
whatever happened to be in memory.
Therefore, we can only check the pad for zeroness on v5 filesystems.
shared/006 on a v4 filesystem exposes this scrub bug.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
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The btree scrubber has some custom code to retrieve and check a btree
block via xfs_btree_lookup_get_block. This function will either return
an error code (verifiers failed) or a *pblock will be untouched (bad
pointer). Since we previously set *pblock to NULL, we need to check
*pblock, not pblock, to trigger the early bailout.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
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