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This is a preparation work to refactor btrfs_ioctl_snap_destroy()
and to allow rmdir(2) to delete an empty subvolume.
Signed-off-by: Tomohiro Misono <misono.tomohiro@jp.fujitsu.com>
Reviewed-by: David Sterba <dsterba@suse.com>
[ minor update of the function comment ]
Signed-off-by: David Sterba <dsterba@suse.com>
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With commit b18253ec57c0 ("btrfs: optimize free space tree bitmap
conversion"), there are no more callers to le_test_bit(). This patch
removes le_test_bit().
Signed-off-by: Howard McLauchlan <hmclauchlan@fb.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Presently, convert_free_space_to_extents() does a linear scan of the
bitmap. We can speed this up with find_next_{bit,zero_bit}_le().
This patch replaces the linear scan with find_next_{bit,zero_bit}_le().
Testing shows a 20-33% decrease in execution time for
convert_free_space_to_extents().
Since we change bitmap to be unsigned long, we have to do some casting
for the bitmap cursor. In le_bitmap_set() it makes sense to use u8, as
we are doing bit operations. Everywhere else, we're just using it for
pointer arithmetic and not directly accessing it, so char seems more
appropriate.
Suggested-by: Omar Sandoval <osandov@osandov.com>
Signed-off-by: Howard McLauchlan <hmclauchlan@fb.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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le_bitmap_set() is only used by free-space-tree, so move it there and
make it static. le_bitmap_clear() is not used, so remove it.
Signed-off-by: Howard McLauchlan <hmclauchlan@fb.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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We really want to know to which filesystem the extent map events belong,
but as it cannot be reached from the extent_map pointers, we need to
pass it down the callchain.
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Preparatory work to pass fs_info to btrfs_add_extent_mapping so we can
get a better tracepoint message. Extent maps do not need fs_info for
anything so we only add a dummy one without any other initialization.
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Most of the strings are prefixed by the UUID of the filesystem that
generates the message, however there are a few events that still
opencode the macro magic and can be converted to the common macros.
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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The preferred style is to avoid spaces between key and value and no
commas between key=values.
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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The (unsigned long long) casts are not necessary since long ago.
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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For consistency, use the %llu form.
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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The size of ino_t depends on 32/64bit architecture type. Btrfs stores
the full 64bit inode anyway so we should use it.
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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The second if is really a subcase of ret being less than 0. So
introduce a generic if (ret < 0) check, and inside have another if
which explicitly handles the -ENOSPC and any other errors. No
functional changes.
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Locks should generally be released in the oppposite order they are
acquired. Generally lock acquisiton ordering is used to ensure
deadlocks don't happen. However, as becomes more complicated it's
best to also maintain proper unlock order so as to avoid possible dead
locks. This was found by code inspection and doesn't necessarily lead
to a deadlock scenario.
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Currently __endio_write_update_ordered uses labels to implement
what is essentially a simple while loop. This makes the code more
cumbersome to follow than it actually has to be. No functional
changes. No xfstest regressions were found during testing.
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Adds comments about BTRFS_FS_EXCL_OP to existing comments
about the device locks.
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
[ minor updates ]
Signed-off-by: David Sterba <dsterba@suse.com>
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Andrey Ignatov says:
====================
v3 -> v4:
* handle static key correctly for CONFIG_CGROUP_BPF=n.
v2 -> v3:
* place BPF logic under static key in udp_sendmsg, udpv6_sendmsg;
* rebase.
v1 -> v2:
* return ENOTSUPP if bpf_prog rewrote IPv6-only with IPv4-mapped IPv6;
* add test for IPv4-mapped IPv6 use-case;
* fix build for CONFIG_CGROUP_BPF=n;
* rebase.
This path set adds BPF hooks for sys_sendmsg similar to existing hooks for
sys_bind and sys_connect.
Hooks allow to override source IP (including the case when it's set via
cmsg(3)) and destination IP:port for unconnected UDP (slow path). TCP and
connected UDP (fast path) are not affected. This makes UDP support
complete: connected UDP is handled by sys_connect hooks, unconnected by
sys_sendmsg ones.
Similar to sys_connect hooks, sys_sendmsg ones can be used to make system
calls such as sendmsg(2) and sendto(2) return EPERM.
Please see patch 0002 for more details.
====================
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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Add selftest for BPF_CGROUP_UDP4_SENDMSG and BPF_CGROUP_UDP6_SENDMSG
attach types.
Try to sendmsg(2) to specific IP:port and test that:
* source IP is overridden as expected.
* remote IP:port pair is overridden as expected;
Both UDPv4 and UDPv6 are tested.
Output:
# test_sock_addr.sh 2>/dev/null
Wait for testing IPv4/IPv6 to become available ... OK
... pre-existing test-cases skipped ...
Test case: sendmsg4: load prog with wrong expected attach type .. [PASS]
Test case: sendmsg4: attach prog with wrong attach type .. [PASS]
Test case: sendmsg4: rewrite IP & port (asm) .. [PASS]
Test case: sendmsg4: rewrite IP & port (C) .. [PASS]
Test case: sendmsg4: deny call .. [PASS]
Test case: sendmsg6: load prog with wrong expected attach type .. [PASS]
Test case: sendmsg6: attach prog with wrong attach type .. [PASS]
Test case: sendmsg6: rewrite IP & port (asm) .. [PASS]
Test case: sendmsg6: rewrite IP & port (C) .. [PASS]
Test case: sendmsg6: IPv4-mapped IPv6 .. [PASS]
Test case: sendmsg6: deny call .. [PASS]
Summary: 27 PASSED, 0 FAILED
Signed-off-by: Andrey Ignatov <rdna@fb.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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test_sock_addr was not easy to extend since it was focused on sys_bind
and sys_connect quite a bit.
Reorganized it so that it'll be easier to cover new test-cases for
`BPF_PROG_TYPE_CGROUP_SOCK_ADDR`:
- decouple test-cases so that only one BPF prog is tested at a time;
- check programmatically that local IP:port for sys_bind, source IP and
destination IP:port for sys_connect are rewritten property by tested
BPF programs.
The output of new version:
# test_sock_addr.sh 2>/dev/null
Wait for testing IPv4/IPv6 to become available ... OK
Test case: bind4: load prog with wrong expected attach type .. [PASS]
Test case: bind4: attach prog with wrong attach type .. [PASS]
Test case: bind4: rewrite IP & TCP port in .. [PASS]
Test case: bind4: rewrite IP & UDP port in .. [PASS]
Test case: bind6: load prog with wrong expected attach type .. [PASS]
Test case: bind6: attach prog with wrong attach type .. [PASS]
Test case: bind6: rewrite IP & TCP port in .. [PASS]
Test case: bind6: rewrite IP & UDP port in .. [PASS]
Test case: connect4: load prog with wrong expected attach type .. [PASS]
Test case: connect4: attach prog with wrong attach type .. [PASS]
Test case: connect4: rewrite IP & TCP port .. [PASS]
Test case: connect4: rewrite IP & UDP port .. [PASS]
Test case: connect6: load prog with wrong expected attach type .. [PASS]
Test case: connect6: attach prog with wrong attach type .. [PASS]
Test case: connect6: rewrite IP & TCP port .. [PASS]
Test case: connect6: rewrite IP & UDP port .. [PASS]
Summary: 16 PASSED, 0 FAILED
(stderr contains errors from libbpf when testing load/attach with
invalid arguments)
Signed-off-by: Andrey Ignatov <rdna@fb.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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libbpf can guess prog type and expected attach type based on section
name. Add hints for "cgroup/sendmsg4" and "cgroup/sendmsg6" section
names.
Signed-off-by: Andrey Ignatov <rdna@fb.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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Sync new `BPF_CGROUP_UDP4_SENDMSG` and `BPF_CGROUP_UDP6_SENDMSG`
attach types to tools/.
Signed-off-by: Andrey Ignatov <rdna@fb.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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In addition to already existing BPF hooks for sys_bind and sys_connect,
the patch provides new hooks for sys_sendmsg.
It leverages existing BPF program type `BPF_PROG_TYPE_CGROUP_SOCK_ADDR`
that provides access to socket itlself (properties like family, type,
protocol) and user-passed `struct sockaddr *` so that BPF program can
override destination IP and port for system calls such as sendto(2) or
sendmsg(2) and/or assign source IP to the socket.
The hooks are implemented as two new attach types:
`BPF_CGROUP_UDP4_SENDMSG` and `BPF_CGROUP_UDP6_SENDMSG` for UDPv4 and
UDPv6 correspondingly.
UDPv4 and UDPv6 separate attach types for same reason as sys_bind and
sys_connect hooks, i.e. to prevent reading from / writing to e.g.
user_ip6 fields when user passes sockaddr_in since it'd be out-of-bound.
The difference with already existing hooks is sys_sendmsg are
implemented only for unconnected UDP.
For TCP it doesn't make sense to change user-provided `struct sockaddr *`
at sendto(2)/sendmsg(2) time since socket either was already connected
and has source/destination set or wasn't connected and call to
sendto(2)/sendmsg(2) would lead to ENOTCONN anyway.
Connected UDP is already handled by sys_connect hooks that can override
source/destination at connect time and use fast-path later, i.e. these
hooks don't affect UDP fast-path.
Rewriting source IP is implemented differently than that in sys_connect
hooks. When sys_sendmsg is used with unconnected UDP it doesn't work to
just bind socket to desired local IP address since source IP can be set
on per-packet basis by using ancillary data (cmsg(3)). So no matter if
socket is bound or not, source IP has to be rewritten on every call to
sys_sendmsg.
To do so two new fields are added to UAPI `struct bpf_sock_addr`;
* `msg_src_ip4` to set source IPv4 for UDPv4;
* `msg_src_ip6` to set source IPv6 for UDPv6.
Signed-off-by: Andrey Ignatov <rdna@fb.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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Static key is used to enable/disable cgroup-bpf related code paths at
run time.
Though it's not defined when cgroup-bpf is disabled at compile time,
i.e. CONFIG_CGROUP_BPF=n, and if some code wants to use it, it has to do
this:
#ifdef CONFIG_CGROUP_BPF
if (cgroup_bpf_enabled) {
/* ... some work ... */
}
#endif
This code can be simplified by setting cgroup_bpf_enabled to 0 for
CONFIG_CGROUP_BPF=n case:
if (cgroup_bpf_enabled) {
/* ... some work ... */
}
And it aligns well with existing BPF_CGROUP_RUN_PROG_* macros that
defined for both states of CONFIG_CGROUP_BPF.
Signed-off-by: Andrey Ignatov <rdna@fb.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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Previous patch "selftests/bpf: test for seg6local End.BPF action" lacks
some UAPI headers in tools/.
clang -I. -I./include/uapi -I../../../include/uapi -idirafter
/usr/local/include -idirafter
/data/users/yhs/work/llvm/build/install/lib/clang/7.0.0/include
-idirafter /usr/include -Wno-compare-distinct-pointer-types \
-O2 -target bpf -emit-llvm -c test_lwt_seg6local.c -o - | \
llc -march=bpf -mcpu=generic -filetype=obj -o
[...]/net-next/tools/testing/selftests/bpf/test_lwt_seg6local.o
test_lwt_seg6local.c:4:10: fatal error: 'linux/seg6_local.h' file not found
^~~~~~~~~~~~~~~~~~~~
1 error generated.
make: Leaving directory
`/data/users/yhs/work/net-next/tools/testing/selftests/bpf'
v2: moving the headers to tools/include/uapi/.
Reported-by: Y Song <ys114321@gmail.com>
Signed-off-by: Mathieu Xhonneux <m.xhonneux@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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The stack_map_get_build_id_offset() function is too long for gcc to track
whether 'work' may or may not be initialized at the end of it, leading
to a false-positive warning:
kernel/bpf/stackmap.c: In function 'stack_map_get_build_id_offset':
kernel/bpf/stackmap.c:334:13: error: 'work' may be used uninitialized in this function [-Werror=maybe-uninitialized]
This removes the 'in_nmi_ctx' flag and uses the state of that variable
itself to see if it got initialized.
Fixes: bae77c5eb5b2 ("bpf: enable stackmap with build_id in nmi context")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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gcc warns about a noreturn function possibly returning in
some configurations:
kernel/bpf/btf.c: In function 'env_type_is_resolve_sink':
kernel/bpf/btf.c:729:1: error: control reaches end of non-void function [-Werror=return-type]
Using BUG() instead of BUG_ON() avoids that warning and otherwise
does the exact same thing.
Fixes: eb3f595dab40 ("bpf: btf: Validate type reference")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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Simplify the device management by replacing the lowlevel device object
allocation with the card->private_data. Nowadays there is almost no
advantage by the lowlevel device, and with card->private_data, the
code becomes cleaner.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Avoid if ((err = ...) style and expand to multiple lines instead.
No change in the end result, but just the beautification.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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... so that we can avoid the extra goto lines.
Also beautify the code to follow the standard codex.
No functional changes.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/greentime/linux
Pull nds32 fixes from Greentime Hu:
"Bug fixes and build error fixes for nds32"
* tag 'nds32-for-linus-4.17-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/greentime/linux:
nds32: Fix compiler warning, Wstringop-overflow, in vdso.c
nds32: Disable local irq before calling cpu_dcache_wb_page in copy_user_highpage
nds32: Flush the cache of the page at vmaddr instead of kaddr in flush_anon_page
nds32: Correct flush_dcache_page function
nds32: Fix the unaligned access handler
nds32: Renaming the file for unaligned access
nds32: To fix a cache inconsistency issue by setting correct cacheability of NTC
nds32: To refine readability of INT_MASK_INITAIAL_VAL
nds32: Fix the virtual address may map too much range by tlbop issue.
nds32: Fix the allmodconfig build. To make sure CONFIG_CPU_LITTLE_ENDIAN is default y
nds32: Fix build failed because arch_trace_hardirqs_off is changed to trace_hardirqs_off.
nds32: Fix the unknown type u8 issue.
nds32: Fix the symbols undefined issue by exporting them.
nds32: Fix xfs_buf built failed by export invalidate_kernel_vmap_range and flush_kernel_vmap_range
nds32: Fix drivers/gpu/drm/udl/udl_fb.c building error by defining PAGE_SHARED
nds32: Fix building error of crypto/xor.c by adding xor.h
nds32: Fix building error when CONFIG_FREEZE is enabled.
nds32: lib: To use generic lib instead of libgcc to prevent the symbol undefined issue.
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It's used to print its pointer in a debug statement but doesn't really
bring any useful information to the error message.
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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The function btrfs_get_block_group_info() was introduced by the
commit 5af3e8cce8b7 ("Btrfs: make filesystem read-only when submitting
barrier fails") which used it in disk-io.c.
However, the function is only called in ioctl.c now.
Its parameter type btrfs_ioctl_space_info* is only for ioctl.
So, make it static and rename it to be original name
get_block_group_info.
No functional change.
Signed-off-by: Su Yue <suy.fnst@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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add_pinned_bytes really cares whether the bytes being pinned are either
data or metadata. To that effect it checks whether the 'owner' argument
is less than BTRFS_FIRST_FREE_OBJECTID (256). This works because
owner can really have 2 types of values:
a) For metadata extents it holds the level at which the parent is in
the btree. This amounts to owner having the values 0-7
b) In case of modifying data extents, owner is the inode number
to which those extents belongs.
Let's make this more explicit byt converting the owner parameter to a
boolean value and either pass it directly when we know the type of
extents we are working with (i.e. in btrfs_free_tree_block). In cases
when the parent function can be called on both metadata/data extents
perform the check in the caller. This hopefully makes the interface
of add_pinned_bytes more intuitive.
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Instead of globally disabling > 32bit DMA using the arch_dma_supported
hook walk the PCI bus under the actually affected bridge and mark every
device with the dma_32bit_limit flag. This also gets rid of the
arch_dma_supported hook entirely.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
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This is something drivers should decide (modulo chipset quirks like
for VIA), which as far as I can tell is how things have been handled
for the last 15 years.
Note that we keep the usedac option for now, as it is used in the wild
to override the too generic VIA quirk.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
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Limiting the dma mask to avoid PCI (pre-PCIe) DAC cycles while paying
the huge overhead of an IOMMU is rather pointless, and this seriously
gets in the way of dma mapping work.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
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This is just the minimal workaround. The file is mostly either stale
and/or duplicative of Documentation/admin-guide/kernel-parameters.txt,
but that is much more work than I'm willing to do right now.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
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Various PCI bridges (VIA PCI, Xilinx PCIe) limit DMA to only 32-bits
even if the device itself supports more. Add a single bit flag to
struct device (to be moved into the dma extension once we get to it)
to flag such devices and reject larger DMA to them.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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match_string() returns the index of an array for a matching string,
which can be used intead of open coded variant.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Hu Ziji <huziji@marvell.com>
Cc: Ulf Hansson <ulf.hansson@linaro.org>
Cc: linux-mmc@vger.kernel.org
Signed-off-by: Yisheng Xie <xieyisheng1@huawei.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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When specifying option 'prefix' multiple times, current option parsing
will cause memory leak. Hence, call kfree for previous one in this
case.
Signed-off-by: Chengguang Xu <cgxu519@gmx.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Smatch identifies i915_query_ioctl() as being a potential victim of
Spectre due to its use of a tainted user index into a function pointer
array. Use array_index_nospec() to defang the user index before using it
to lookup the function pointer.
Fixes: a446ae2c6e65 ("drm/i915: add query uAPI")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180521210530.26008-1-chris@chris-wilson.co.uk
(cherry picked from commit 84b510e22da7926522a257cfe295d3695346a0bd)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
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Delay registering ourselves with the acpi lid notification mechanism
until we are registering the connectors after initialisation is
complete. This prevents a possibility of trying to handle the lid
notification before we are ready with the danger of chasing
uninitialised function pointers.
BUG: unable to handle kernel NULL pointer dereference at 0000000000000000
IP: (null)
PGD 0 P4D 0
Oops: 0010 [#1] PREEMPT SMP PTI
Modules linked in: arc4(+) iwldvm(+) i915(+) mac80211 i2c_algo_bit coretemp mei_wdt iwlwifi drm_kms_helper kvm_intel wmi_bmof iTCO_wdt iTCO_vendor_support kvm snd_hda_codec_conexant snd_hda_codec_generic drm psmouse cfg80211 irqbypass input_leds pcspkr i2c_i801 snd_hda_intel snd_hda_codec thinkpad_acpi snd_hda_core mei_me lpc_ich snd_hwdep e1000e wmi nvram snd_pcm mei snd_timer shpchp ptp pps_core rfkill syscopyarea snd intel_agp sysfillrect intel_gtt soundcore sysimgblt battery led_class fb_sys_fops ac rtc_cmos agpgart evdev mac_hid acpi_cpufreq ip_tables x_tables ext4 crc32c_generic crc16 mbcache jbd2 fscrypto crypto_simd glue_helper cryptd aes_x86_64 xts algif_skcipher af_alg dm_crypt dm_mod sd_mod uas usb_storage serio_raw atkbd libps2 ahci libahci uhci_hcd libata scsi_mod ehci_pci
ehci_hcd usbcore usb_common i8042 serio
CPU: 1 PID: 378 Comm: systemd-logind Not tainted 4.16.8-1-ARCH #1
Hardware name: LENOVO 7454CTO/7454CTO, BIOS 6DET72WW (3.22 ) 10/25/2012
RIP: 0010: (null)
RSP: 0018:ffffaf4580c33a18 EFLAGS: 00010287
RAX: 0000000000000000 RBX: ffff947533558000 RCX: 000000000000003e
RDX: ffffffffc0aa80c0 RSI: ffffaf4580c33a3c RDI: ffff947534e4c000
RBP: ffff947533558338 R08: ffff947534598930 R09: ffffffffc0a928b1
R10: ffffd8f181d5fd40 R11: 0000000000000000 R12: ffffffffc0a928b1
R13: ffff947533558368 R14: ffffffffc0a928a9 R15: ffff947534e4c000
FS: 00007f3dc4ddb940(0000) GS:ffff947539280000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000006e214000 CR4: 00000000000406e0
Call Trace:
? intel_modeset_setup_hw_state+0x385/0xf60 [i915]
? __intel_display_resume+0x1e/0xc0 [i915]
? intel_display_resume+0xcc/0x120 [i915]
? intel_lid_notify+0xbc/0xc0 [i915]
? notifier_call_chain+0x47/0x70
? blocking_notifier_call_chain+0x3e/0x60
? acpi_lid_notify_state+0x8f/0x1d0
? acpi_lid_update_state+0x49/0x70
? acpi_lid_input_open+0x60/0x90
? input_open_device+0x5d/0xa0
? evdev_open+0x1ba/0x1e0 [evdev]
? chrdev_open+0xa3/0x1b0
? cdev_put.part.0+0x20/0x20
? do_dentry_open+0x14c/0x300
? path_openat+0x30c/0x1240
? current_time+0x16/0x60
? do_filp_open+0x93/0x100
? __check_object_size+0xfb/0x180
? do_sys_open+0x186/0x210
? do_syscall_64+0x74/0x190
? entry_SYSCALL_64_after_hwframe+0x3d/0xa2
Code: Bad RIP value.
RIP: (null) RSP: ffffaf4580c33a18
CR2: 0000000000000000
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=106559
Fixes: c1c7af608920 ("drm/i915: force mode set at lid open time")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180518074840.16194-1-chris@chris-wilson.co.uk
Cc: stable@vger.kernel.org
(cherry picked from commit e578a570dc7c20475774d1ff993825e3bd7a7011)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
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Radiant P845 does not have LVDS, only VGA.
Cc: stable@vger.kernel.org
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=105468
Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180309222204.4771-1-linux@rainbow-software.org
(cherry picked from commit 7f7105f99b75aca4f8c2a748ed6b82c7f8be3293)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
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The stream direction in open and close callbacks can be retrieved from
substream->direction, hence we don't have to stick with the unique PCM
ops hard-coded for each direction. Rewrite the common open/close
callback functions.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The PCM ops defined for playback and capture are identical. Just use
the single one for both.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The negative error return from the call to to_sndif_format is being
assigned to an unsigned 8 bit integer and hence the check for a negative
value is always going to be false. Fix this by using ret as the error
return and hence the negative error can be detected and assign
the u8 sndif_format to ret if there is no error.
Detected by CoverityScan, CID#1469385 ("Unsigned compared against 0")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Takashi Sakamoto <o-takashi@sakamoccchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The error for a -ve value in ret is redundant as all previous
assignments to ret have an associated -ve check and hence it
is impossible for ret to be less that zero at the point of the
check. Remove this redundant error check.
Detected by CoveritScan, CID#1469407 ("Logically Dead code")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Convert the S_<FOO> symbolic permissions to their octal equivalents as
using octal and not symbolic permissions is preferred by many as more
readable.
see: https://lkml.org/lkml/2016/8/2/1945
Done with automated conversion via:
$ ./scripts/checkpatch.pl -f --types=SYMBOLIC_PERMS --fix-inplace <files...>
Miscellanea:
o Wrapped one multi-line call to a single line
Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The localization support is broken and appears unused.
There is no google hits on the update-po-config target.
And there is no recent (5 years) activity related to the localization.
So lets just drop this as it is no longer used.
Suggested-by: Ulf Magnusson <ulfalizer@gmail.com>
Suggested-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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The mconf (or its infrastructure, lxdiaglog) depends on the ncurses.
Move and rename check-lxdialog.sh to mconf-cfg.sh to make it work in
the same way as for qconf and gconf.
This commit fixes some more weirdnesses.
The nconf also needs ncurses packages. HOSTLOADLIBES_nconf is set
to the libraries needed for nconf, but the cflags is not explicitly
set. Actually, nconf relies on the check-lxdialog.sh for the proper
cflags:
HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags) \
-DLOCALE
The code above passes the ncurses flags to all objects, even for conf,
qconf, gconf. Let's pass the ncurses flags only to mconf and nconf.
Currently, the presence of ncurses is not checked for nconf. Let's
show a prompt like the mconf case.
According to Randy's report, the shell scripts still need to carry
the fallback code in case the pkg-config fails to find the ncurses
packages.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
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Refactor the package checks for gconf in the same way as for qconf.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
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