Adjust code to fix the style issue – lines should not end with a
parenthesis.
Signed-off-by: Payal Kshirsagar <payal.s.kshirsagar.98@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
We already unlocked a few lines earlier so this code unlocks twice on
the success path.
Fixes: 289921b03f ("drm/amd/powerplay: implement sysfs of pp_table for smu11 (v2)")
Reviewed-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Kevin Wang <kevin1.wang@amd.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
The > should be >= so that we don't read one element beyond the end of
the vega20_message_map[] array.
Fixes: 78031c2c4d ("drm/amd/powerplay: implement smu vega20_message_map for vega20")
Reviewed-by: Kevin Wang <kevin1.wang@amd.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
The "size" variable is unsigned. We never pass invalid sizes to this
function and we already used it as an array offset earlier so it's
too late to check here.
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Leads to an undefined symbol otherwise.
Reviewed-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This reverts commit 9b638f9751.
Adding this to the mapping is complete nonsense and the whole
implementation looks racy. This patch wasn't thoughtfully reviewed
and should be reverted for now.
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Liu, Shaoyun <Shaoyun.Liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
use help over --help-- for new help text
Signed-off-by: Anushka Shukla <anushkacharu9@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add spaces around '+' operator to get rid of checkpatch warning.
Signed-off-by: Vatsala Narang <vatsalanarang@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The last two lines in the function could
be compressed into one. Avoid usage of local variable.
Issue found with Coccinelle using ret.cocci.
Signed-off-by: Sanjana Sanikommu <sanjana99reddy99@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Adjust code to meet the style of “lines should not end with
parenthesis”.
Signed-off-by: Payal Kshirsagar <payal.s.kshirsagar.98@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
And remove the existing code when it is unused.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
And remove the existing code when it is unused.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Separate out all functions for SDMA and CPU based page table
updates into separate backends.
This way we can keep most of the complexity of those from the
core VM code.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Allocating 16KB was way to much, just use 2KB as a start for now.
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Move the update parameter into the VM header and rename them.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Clean that up a bit and allow to always have the DMA addresses around.
Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Not needed any more.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Challenge suggested by coccinelle.
Remove unnecessary parathesis around the right hand of
assignment using the below script.
@@
binary operator op = {==,!=,&&,||,>=,<=,&,|};
expression l, r, t;
@@
(
l = (r op t)
|
l =
-(
r
-)
)
Signed-off-by: Sanjana Sanikommu <sanjana99reddy99@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
be queued during the merging window but, due to conflicts, it was
deferred post -rc1
- Extend the Fujitsu erratum 010001 workaround to A64FX v1r0
- Whitelist HiSilicon Taishan v110 CPUs as not susceptible to Meltdown
- Export save_stack_trace_regs()
- Remove obsolete selection of MULTI_IRQ_HANDLER
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
"Mostly fixes apart from the kprobe blacklist checking which was
deferred because of conflicting with a fix merged after I pinned the
arm64 for-next/core branch (f2b3d8566d "arm64: kprobe: Always
blacklist the KVM world-switch code").
Summary:
- Update the kprobe blacklist checking for arm64. This was supposed
to be queued during the merging window but, due to conflicts, it
was deferred post -rc1
- Extend the Fujitsu erratum 010001 workaround to A64FX v1r0
- Whitelist HiSilicon Taishan v110 CPUs as not susceptible to
Meltdown
- Export save_stack_trace_regs()
- Remove obsolete selection of MULTI_IRQ_HANDLER"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: remove obsolete selection of MULTI_IRQ_HANDLER
arm64: kpti: Whitelist HiSilicon Taishan v110 CPUs
arm64: Add MIDR encoding for HiSilicon Taishan CPUs
arm64/stacktrace: Export save_stack_trace_regs()
arm64: apply workaround on A64FX v1r0
arm64: kprobes: Use arch_populate_kprobe_blacklist()
arm64: kprobes: Move exception_text check in blacklist
arm64: kprobes: Remove unneeded RODATA check
arm64: kprobes: Move extable address check into arch_prepare_kprobe()
If we are already in the desired write domain of a set-domain ioctl,
then there is nothing for us to do and we can quickly return back to
userspace, avoiding any lock contention. By recognising that the
write_domain is always a subset of the read_domains, and excluding the
no-op case of requiring 0 read_domains in the ioctl, we can infer if the
current write_domain matches the target read_domains, there is nothing
for us to do.
Secondary aspect of this is that we undo the arbitrary fetching and
potential flushing of all pages for a set-domain(.write=CPU) call on a
fresh object -- which was introduced simply because we do the get-pages
before taking the struct_mutex.
References: 40e62d5d6b ("drm/i915: Acquire the backing storage outside of struct_mutex in set-domain")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Matthew Auld <matthew.william.auld@gmail.com>
Reviewed-by: Matthew Auld <matthew.william.auld@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190321161908.8007-2-chris@chris-wilson.co.uk
When we return pages to the system, we ensure that they are marked as
being in the CPU domain since any external access is uncontrolled and we
must assume the worst. This means that we need to always flush the pages
on acquisition if we need to use them on the GPU, and from the beginning
have used set-domain. Set-domain is overkill for the purpose as it is a
general synchronisation barrier, but our intent is to only flush the
pages being swapped in. If we move that flush into the pages acquisition
phase, we know then that when we have obj->mm.pages, they are coherent
with the GPU and need only maintain that status without resorting to
heavy handed use of set-domain.
The principle knock-on effect for userspace is through mmap-gtt
pagefaulting. Our uAPI has always implied that the GTT mmap was async
(especially as when any pagefault occurs is unpredicatable to userspace)
and so userspace had to apply explicit domain control itself
(set-domain). However, swapping is transparent to the kernel, and so on
first fault we need to acquire the pages and make them coherent for
access through the GTT. Our use of set-domain here leaks into the uABI
that the first pagefault was synchronous. This is unintentional and
baring a few igt should be unoticed, nevertheless we bump the uABI
version for mmap-gtt to reflect the change in behaviour.
Another implication of the change is that gem_create() is presumed to
create an object that is coherent with the CPU and is in the CPU write
domain, so a set-domain(CPU) following a gem_create() would be a minor
operation that merely checked whether we could allocate all pages for
the object. On applying this change, a set-domain(CPU) causes a clflush
as we acquire the pages. This will have a small impact on mesa as we move
the clflush here on !llc from execbuf time to create, but that should
have minimal performance impact as the same clflush exists but is now
done early and because of the clflush issue, userspace recycles bo and
so should resist allocating fresh objects.
Internally, the presumption that objects are created in the CPU
write-domain and remain so through writes to obj->mm.mapping is more
prevalent than I expected; but easy enough to catch and apply a manual
flush.
For the future, we should push the page flush from the central
set_pages() into the callers so that we can more finely control when it
is applied, but for now doing it one location is easier to validate, at
the cost of sometimes flushing when there is no need.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Matthew Auld <matthew.william.auld@gmail.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Antonio Argenziano <antonio.argenziano@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Matthew Auld <matthew.william.auld@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190321161908.8007-1-chris@chris-wilson.co.uk
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Merge tag 'fsnotify_for_v5.1-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull fsnotify fixes from Jan Kara:
"One inotify and one fanotify fix"
* tag 'fsnotify_for_v5.1-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
fanotify: Allow copying of file handle to userspace
inotify: Fix fsnotify_mark refcount leak in inotify_update_existing_watch()
David Ahern says:
====================
ipv6: Change addrconf_f6i_alloc to use ip6_route_info_create
addrconf_f6i_alloc is the last caller of fib6_info_alloc besides
ip6_route_info_create. There really is no good reason for it do
its own fib6_info initialization, so convert it to call
ip6_route_info_create.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Change addrconf_f6i_alloc to generate a fib6_config and call
ip6_route_info_create. addrconf_f6i_alloc is the last caller to
fib6_info_alloc besides ip6_route_info_create, and there is no
reason for it to do its own initialization on a fib6_info.
Host routes need to be created even if the device is down, so add a
new flag, fc_ignore_dev_down, to fib6_config and update fib6_nh_init
to not error out if device is not up.
Notes on the conversion:
- ip_fib_metrics_init is the same as fib6_config has fc_mx set to NULL
and fc_mx_len set to 0
- dst_nocount is handled by the RTF_ADDRCONF flag
- dst_host is handled by fc_dst_len = 128
nh_gw does not get set after the conversion to ip6_route_info_create
but it should not be set in addrconf_f6i_alloc since this is a host
route not a gateway route.
Everything else is a straight forward map between fib6_info and
fib6_config.
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
ip6_route_info_create is a low level function for ensuring fc_metric is
set. Move the check and default setting to the 2 locations that do not
already set fc_metric before calling ip6_route_info_create. This is
required for the next patch which moves addrconf allocations to
ip6_route_info_create and want the metric for host routes to be 0.
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
To free the skb in normal course of processing, consume_skb() should be
used. Only for failure paths, skb_free() is intended to be used.
https://www.kernel.org/doc/htmldocs/networking/API-consume-skb.html
Signed-off-by: Vakul Garg <vakul.garg@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pablo Neira Ayuso says:
====================
Netfilter fixes for net
The following patchset contains Netfilter fixes for your net tree:
1) Remove a direct dependency with IPv6 introduced by the
sip_external_media feature, from Alin Nastac.
2) Fix bogus ENOENT when removing interval elements from set.
3) Set transport_header from br_netfilter to mimic the stack
behaviour, this partially fixes a checksum validation bug
from the SCTP connection tracking, from Xin Long.
4) Fix undefined reference to symbol in xt_TEE, due to missing
Kconfig dependencies, from Arnd Bergmann.
5) Check for NULL in skb_header_pointer() calls in ip6t_shr,
from Kangjie Lu.
6) Fix bogus EBUSY when removing an existing conntrack helper from
a transaction.
7) Fix module autoload of the redirect extension.
8) Remove duplicated transition in flowtable diagram in the existing
documentation.
9) Missing .release_ops call from error path in newrule() which
results module refcount leak, from Taehee Yoo.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
skb free-ed in:
1/ condition 1: tipc_sk_filter_rcv -> tipc_sk_proto_rcv
2/ condition 2: tipc_sk_filter_rcv -> tipc_group_filter_msg
This leads to a "use-after-free" access in the next condition.
We fix this by intializing the variable at declaration, then it is safe
to check this variable to continue processing if condition matches.
syzbot report:
==================================================================
BUG: KASAN: use-after-free in tipc_sk_filter_rcv+0x2166/0x34f0
net/tipc/socket.c:2167
Read of size 4 at addr ffff88808ea58534 by task kworker/u4:0/7
CPU: 0 PID: 7 Comm: kworker/u4:0 Not tainted 5.0.0+ #61
Hardware name: Google Google Compute Engine/Google Compute Engine,
BIOS Google 01/01/2011
Workqueue: tipc_send tipc_conn_send_work
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x172/0x1f0 lib/dump_stack.c:113
print_address_description.cold+0x7c/0x20d mm/kasan/report.c:187
kasan_report.cold+0x1b/0x40 mm/kasan/report.c:317
__asan_report_load4_noabort+0x14/0x20 mm/kasan/generic_report.c:131
tipc_sk_filter_rcv+0x2166/0x34f0 net/tipc/socket.c:2167
tipc_sk_enqueue net/tipc/socket.c:2254 [inline]
tipc_sk_rcv+0xc45/0x25a0 net/tipc/socket.c:2305
tipc_topsrv_kern_evt+0x3b7/0x580 net/tipc/topsrv.c:610
tipc_conn_send_to_sock+0x43e/0x5f0 net/tipc/topsrv.c:283
tipc_conn_send_work+0x65/0x80 net/tipc/topsrv.c:303
process_one_work+0x98e/0x1790 kernel/workqueue.c:2269
worker_thread+0x98/0xe40 kernel/workqueue.c:2415
kthread+0x357/0x430 kernel/kthread.c:253
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
Reported-by: syzbot+e863893591cc7a622e40@syzkaller.appspotmail.com
Fixes: c55c8eda ("tipc: smooth change between replicast and broadcast")
Acked-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: Hoang Le <hoang.h.le@dektech.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
In genl_register_family(), when idr_alloc() fails,
we forget to free the memory we possibly allocate for
family->attrbuf.
Reported-by: Hulk Robot <hulkci@huawei.com>
Fixes: 2ae0f17df1 ("genetlink: use idr to track families")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
If identification of an SPI NOR FLASH fails, the JEDEC ID is printed,
which is stored in the first 3 bytes of the ID read from the FLASH.
However, the extended JEDEC ID, which is stored in the remaining bytes,
also matters, as it is used for identification of some FLASH types.
Print all (currently 6) ID bytes read to ease failure analysis and
debugging.
Suggested-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
When cancelling a subscription, we have to clear the cancel bit in the
request before iterating over any established subscriptions with memcmp.
Otherwise no subscription will ever be found, and it will not be
possible to explicitly unsubscribe individual subscriptions.
Fixes: 8985ecc7c1 ("tipc: simplify endianness handling in topology subscriber")
Signed-off-by: Erik Hugne <erik.hugne@gmail.com>
Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The timeline->name is only used for convenience in pretty printing the
i915_request.fence->ops->get_timeline_name() and it is just as
convenient to pull it from the gem_context directly. The few instances
of its use inside GEM_TRACE() has proven more of a nuisance than
helpful, so not worth saving imo.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190321140711.11190-4-chris@chris-wilson.co.uk
Define a mutex for the exclusive use of interacting with the per-file
context-idr, that was previously guarded by struct_mutex. This allows us
to reduce the coverage of struct_mutex, with a view to removing the last
bits coordinating GEM context later. (In the short term, we avoid taking
struct_mutex while using the extended constructor functions, preventing
some nasty recursion.)
v2: s/context_lock/context_idr_lock/
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190321140711.11190-2-chris@chris-wilson.co.uk
In later patches, it became apparent that userspace can see a partially
constructed GEM context and begin using it before it was ready, to much
hilarity. Close this window of opportunity by lifting the registration of
the context with userspace (the insertion of the context into the filp's
idr) to the very end of the CONTEXT_CREATE ioctl.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190321140711.11190-1-chris@chris-wilson.co.uk
The jz4780_bch_init name was confusing, as it suggested that its content
should be executed once at init time, whereas what the function really
does is reset the hardware for a new ECC operation.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
The jz4780_nand driver will be modified to handle all the Ingenic
JZ47xx SoCs that the upstream Linux kernel supports (JZ4740, JZ4725B,
JZ4770, JZ4780), so it makes sense to rename it.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Use SPDX license notifiers instead of GPLv2 license text in the headers.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Reviewed-by: Boris Brezillon <bbrezillon@kernel.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Before adding support for more SoCs and seeing the number of files for
these drivers grow, we move them to their own subfolder to keep it tidy.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
The 'ingenic,bch-controller' property is now deprecated and the
'ecc-engine' property should be used instead.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
The JZ4740 ECC hardware is not BCH but Reed-Solomon, so it makes more
sense to use the more generic ECC term.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Add compatible strings to probe the jz4780-nand and jz4780-bch drivers
from devicetree on the JZ4725B and JZ4740 SoCs from Ingenic.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
meson_nfc_dma_buffer_setup() is called with the "info" buffer which is
allocated a few lines before using kzalloc(). If
meson_nfc_dma_buffer_setup() fails we need to free the allocated "info"
buffer instead of only freeing it upon success.
Fixes: 8fae856c53 ("mtd: rawnand: meson: add support for Amlogic NAND flash controller")
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Acked-by: Liang Yang <liang.yang@amlogic.com>
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
kzalloc() can return NULL if memory could not be allocated. Check the
return value of the kzalloc() call in meson_nfc_read_buf() to make it
consistent with other memory allocations within the meson_nand driver.
Fixes: 8fae856c53 ("mtd: rawnand: meson: add support for Amlogic NAND flash controller")
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Acked-by: Liang Yang <liang.yang@amlogic.com>
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
