Andrew Rybchenko [Fri, 23 Nov 2018 10:21:50 +0000 (10:21 +0000)]
sfxge(4): remove duplicate NVRAM asserts
The checking performed in the ->envo_type_to_partn
internal method make these assertions unnecessary.
Submitted by: Andy Moreton <amoreton at solarflare.com>
Sponsored by: Solarflare Communications, Inc.
Differential Revision: https://reviews.freebsd.org/D18094
Andrew Rybchenko [Fri, 23 Nov 2018 10:21:36 +0000 (10:21 +0000)]
sfxge(4): precheck and verify flash writes
Read existing flash content before writing, so the flash write can be
avoided if the existing partition content matches the new image. This
avoids unnecessary write cycles for the flash device, and may also be
faster. If the flash does need to be updated, verify the content after
writing.
Note that reading the flash content after writing but before calling
efx_nvram-rw_finish() avoids firmware bug68170, which can lead to
signed image updates failing on Medford.
Submitted by: Andy Moreton <amoreton at solarflare.com>
Sponsored by: Solarflare Communications, Inc.
Differential Revision: https://reviews.freebsd.org/D18093
If the firmware reports a non-zero write chunk size then nvram writes
may fail if a different granularity is used (e.g. for MUM firmware on
Sorrento).
Submitted by: Andy Moreton <amoreton at solarflare.com>
Sponsored by: Solarflare Communications, Inc.
Differential Revision: https://reviews.freebsd.org/D18091
Andrew Rybchenko [Fri, 23 Nov 2018 10:21:06 +0000 (10:21 +0000)]
sfxge(4): check NVRAM locking by partition ID
Tracking which partition is locked avoids being overly conservative
when EFX_NVRAM_xxx maps to more than one partition (depnding on the
current port number).
Submitted by: Andy Moreton <amoreton at solarflare.com>
Sponsored by: Solarflare Communications, Inc.
Differential Revision: https://reviews.freebsd.org/D18090
Andrew Rybchenko [Fri, 23 Nov 2018 10:20:55 +0000 (10:20 +0000)]
sfxge(4): simplify NVRAM type to partition mappings
Submitted by: Andy Moreton <amoreton at solarflare.com>
Sponsored by: Solarflare Communications, Inc.
Differential Revision: https://reviews.freebsd.org/D18089
Andrew Rybchenko [Fri, 23 Nov 2018 10:20:44 +0000 (10:20 +0000)]
sfxge(4): rename firmware update verify result cap field
The existing name confuses support for secure boot with
support for reporting a verify result after an NVRAM update.
As the capability only reports support for returning a verify
result, change the name to be less confusing.
Submitted by: Andy Moreton <amoreton at solarflare.com>
Sponsored by: Solarflare Communications, Inc.
Differential Revision: https://reviews.freebsd.org/D18088
Andrew Rybchenko [Fri, 23 Nov 2018 10:20:32 +0000 (10:20 +0000)]
sfxge(4): extend NVRAM RW finish to return verify result
Extend efx_nvram_rw_finish() to return firmware verify result code.
Submitted by: Andy Moreton <amoreton at solarflare.com>
Sponsored by: Solarflare Communications, Inc.
Differential Revision: https://reviews.freebsd.org/D18087
Andrew Rybchenko [Fri, 23 Nov 2018 10:20:20 +0000 (10:20 +0000)]
sfxge(4): report verify result from RW finish callback
This makes the verify result visible to efx_nvram_rw_finish(), which
can be extended to report it in a later patch.
Submitted by: Andy Moreton <amoreton at solarflare.com>
Sponsored by: Solarflare Communications, Inc.
Differential Revision: https://reviews.freebsd.org/D18086
Andrew Rybchenko [Fri, 23 Nov 2018 10:20:08 +0000 (10:20 +0000)]
sfxge(4): simplify verify result handling
Simplify verify result handling in NVRAM update finish
Submitted by: Andy Moreton <amoreton at solarflare.com>
Sponsored by: Solarflare Communications, Inc.
Differential Revision: https://reviews.freebsd.org/D18085
Andrew Rybchenko [Fri, 23 Nov 2018 10:19:46 +0000 (10:19 +0000)]
sfxge(4): copy new header from firmware src
Submitted by: Andrew Jackson <ajackson at solarflare.com>
Sponsored by: Solarflare Communications, Inc.
Differential Revision: https://reviews.freebsd.org/D18083
Andrew Rybchenko [Fri, 23 Nov 2018 09:16:07 +0000 (09:16 +0000)]
sfxge(4): add RSS key size define
Submitted by: Ivan Malov <ivan.malov at oktetlabs.ru>
Sponsored by: Solarflare Communications, Inc.
Differential Revision: https://reviews.freebsd.org/D18082
Andrew Rybchenko [Fri, 23 Nov 2018 09:15:56 +0000 (09:15 +0000)]
sfxge(4): add API to set an RSS context for a filter
Submitted by: Mark Spender <mspender at solarflare.com>
Sponsored by: Solarflare Communications, Inc.
Differential Revision: https://reviews.freebsd.org/D18081
Andrew Rybchenko [Fri, 23 Nov 2018 09:15:44 +0000 (09:15 +0000)]
sfxge(4): update RSS API to take RSS context parameter
Update efx_rx_scale_mode_set(), efx_rx_scale_key_set()
and efx_rx_scale_tbl_set().
Submitted by: Mark Spender <mspender at solarflare.com>
Submitted by: Ivan Malov <ivan.malov at oktetlabs.ru>
Sponsored by: Solarflare Communications, Inc.
Differential Revision: https://reviews.freebsd.org/D18080
Andrew Rybchenko [Fri, 23 Nov 2018 09:15:32 +0000 (09:15 +0000)]
sfxge(4): add API to allocate and free RSS contexts
Submitted by: Mark Spender <mspender at solarflare.com>
Sponsored by: Solarflare Communications, Inc.
Differential Revision: https://reviews.freebsd.org/D18079
Andrew Rybchenko [Fri, 23 Nov 2018 09:15:20 +0000 (09:15 +0000)]
sfxge(4): rename API to check Rx scale and hash support
Rename efx_rx_scale_support_get() to efx_rx_scale_default_support_get(),
and efx_rx_hash_support_get() to efx_rx_hash_default_support_get().
All these really report is whether an exclusive RSS context was
successfully acquired at efx_rx_init().
efx_rx_scale_support_get() sounds like it reports whether the device
supports RSS, and whether exclusive or shared contexts are supported,
but it doesn't do that. Renaming it to
efx_rx_scale_default_support_get() helps to reflect that it reports
what RSS support the client gets without trying to allocate RSS
contexts itself.
Also rename efx_rx_scale_support_t to efx_rx_scale_context_type_t, to
make the enum more suitable for specifying the type of an RSS context
to be allocated.
Submitted by: Mark Spender <mspender at solarflare.com>
Sponsored by: Solarflare Communications, Inc.
Differential Revision: https://reviews.freebsd.org/D18078
Andrew Rybchenko [Fri, 23 Nov 2018 09:15:08 +0000 (09:15 +0000)]
sfxge(4): add the max number of RSS exclusive contexts
The patch adds enc_rx_scale_max_exclusive_contexts member
to nic_cfg_t structure and sets the corresponding values
for Siena, Huntington and Medford
Submitted by: Mark Spender <mspender at solarflare.com>
Sponsored by: Solarflare Communications, Inc.
Differential Revision: https://reviews.freebsd.org/D18077
Andrew Rybchenko [Fri, 23 Nov 2018 09:14:45 +0000 (09:14 +0000)]
sfxge(4): define a handle to denote default RSS context
Make the existing filter-specific define more general.
This is the same as MC_CMD_RSS_CONTEXT_ALLOC_OUT_RSS_CONTEXT_ID_INVALID.
Submitted by: Mark Spender <mspender at solarflare.com>
Sponsored by: Solarflare Communications, Inc.
Differential Revision: https://reviews.freebsd.org/D18075
Andrew Rybchenko [Fri, 23 Nov 2018 09:03:32 +0000 (09:03 +0000)]
sfxge(4): insert filters for encapsulated packets
On Medford, with full-featured firmware running, encapsulated
packets may not be delivered unless filters are inserted for
them, as ordinary filters are not applied to encapsulated
packets. So filters for encapsulated packets need to be
inserted for each class of encapsulated packet. For simplicity,
catch-all filters are always inserted. These may match more
packets than the OS has asked for, but trying to insert more
precise filters increases complexity for little gain.
Submitted by: Mark Spender <mspender at solarflare.com>
Sponsored by: Solarflare Communications, Inc.
Differential Revision: https://reviews.freebsd.org/D18074
Andrew Rybchenko [Fri, 23 Nov 2018 09:03:20 +0000 (09:03 +0000)]
sfxge(4): support filters for encapsulated packets
This supports filters which match all unicast or multicast
inner frames in VXLAN, GENEVE, or NVGRE packets.
(Additional fields to match on can be added easily.)
Submitted by: Mark Spender <mspender at solarflare.com>
Sponsored by: Solarflare Communications, Inc.
Differential Revision: https://reviews.freebsd.org/D18073
Andrew Rybchenko [Fri, 23 Nov 2018 09:03:09 +0000 (09:03 +0000)]
sfxge(4): use proper MCDI command for encap filters
MC_CMD_FILTER_OP_IN_EXT is needed to set filters for encapsulated
packets.
Submitted by: Mark Spender <mspender at solarflare.com>
Sponsored by: Solarflare Communications, Inc.
Differential Revision: https://reviews.freebsd.org/D18072
Andrew Rybchenko [Fri, 23 Nov 2018 07:50:56 +0000 (07:50 +0000)]
sfxge(4): let caller know that queue is already flushed
Tx/Rx queue may be already flushed due to Tx/Rx error on the queue or
MC reboot. Caller needs to know that the queue is already flushed to
avoid waiting for flush done event.
Submitted by: Andy Moreton <amoreton at solarflare.com>
Sponsored by: Solarflare Communications, Inc.
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D18070
Andrew Rybchenko [Fri, 23 Nov 2018 07:38:59 +0000 (07:38 +0000)]
sfxge(4): add advanced function to extract FW version
Some libefx-based drivers might need this functionality to
indicate DPCPU FW IDs as part of FW version info to assist
experienced users.
Submitted by: Ivan Malov <ivan.malov at oktetlabs.ru>
Sponsored by: Solarflare Communications, Inc.
Differential Revision: https://reviews.freebsd.org/D18065
Andrew Rybchenko [Fri, 23 Nov 2018 07:26:37 +0000 (07:26 +0000)]
sfxge(4): add MCDI agnostic wrapper for MAC stats clear
If a libefx-based driver needs some way to clear port statistics,
then an MCDI agnostic method is required.
Submitted by: Ivan Malov <ivan.malov at oktetlabs.ru>
Sponsored by: Solarflare Communications, Inc.
Differential Revision: https://reviews.freebsd.org/D18064
Mateusz Guzik [Fri, 23 Nov 2018 04:38:50 +0000 (04:38 +0000)]
Revert "fork: fix use-after-free with vfork"
This unreliably breaks libc handling of vfork where forking succeded,
but execve did not.
vfork code in libc performs waitpid with WNOHANG in case of failed exec.
With the fix exit codepath was waking up the parent before the child
fully transitioned to a zombie. Woken up parent would waitpid, which
could find a not-yet-zombie child and fail to reap it due to the WNOHANG
flag.
While removing the flag fixes the problem, it is not an option due to older
releases which would still suffer from the kernel change.
Revert the fix until a solution can be worked out.
Note that while use-after-free which gets back due to the revert is a real
bug, it's side-effects are limited due to the fact that struct proc memory
is never released by UMA.
Rick Macklem [Fri, 23 Nov 2018 00:17:47 +0000 (00:17 +0000)]
Make sure the NFS readdir client fills in all "struct dirent" data.
The NFS client code (nfsrpc_readdir() and nfsrpc_readdirplus()) wasn't
filling in parts of the readdir reply, such as d_pad[01] and the bytes
at the end of d_name within d_reclen. As such, data left in a buffer cache
block could be leaked to userland in the readdir reply.
This patch makes sure all of the data is filled in.
Mateusz Guzik [Thu, 22 Nov 2018 21:08:37 +0000 (21:08 +0000)]
fork: fix use-after-free with vfork
The pointer to the child is stored without any reference held. Then it is
blindly used to wait until P_PPWAIT is cleared. However, if the child is
autoreaped it could have exited and get freed before the parent started
waiting.
Use the existing hold mechanism to mitigate the problem. Most common case
of doing exec remains unchanged. The corner case of doing exit performs
wake up before waiting for holds to clear.
Reviewed by: kib
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D18295
Mark Johnston [Thu, 22 Nov 2018 20:49:41 +0000 (20:49 +0000)]
Plug some networking sysctl leaks.
Various network protocol sysctl handlers were not zero-filling their
output buffers and thus would export uninitialized stack memory to
userland. Fix a number of such handlers.
Reported by: Thomas Barabosch, Fraunhofer FKIE
Reviewed by: tuexen
MFC after: 3 days
Security: kernel memory disclosure
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D18301
Michael Tuexen [Thu, 22 Nov 2018 20:05:57 +0000 (20:05 +0000)]
A TCP stack is required to check SEG.ACK first, when processing a
segment in the SYN-SENT state as stated in Section 3.9 of RFC 793,
page 66. Ensure this is also done by the TCP RACK stack.
Michael Tuexen [Thu, 22 Nov 2018 19:56:52 +0000 (19:56 +0000)]
Ensure that the default RTT stack can make an RTT measurement if
the TCP connection was initiated using the RACK stack, but the
peer does not support the TCP RACK extension.
This ensures that the TCP behaviour on the wire is the same if
the TCP connection is initated using the RACK stack or the default
stack.
Ed Maste [Thu, 22 Nov 2018 16:55:09 +0000 (16:55 +0000)]
proto: change device permissions to 0600
C Turt reports that the driver is not thread safe and may have
exploitable races.
Note that the proto device is intended for prototyping and development,
and is not for use on production systems. From the man page:
SECURITY CONSIDERATIONS
Because programs have direct access to the hardware, the proto
driver is inherently insecure. It is not advisable to use this
driver on a production machine.
The proto device is not included in any of FreeBSD's kernel config files
(although the module is built).
The issues in the proto device still need to be fixed, and the device is
inherently (and intentionally) insecure, but it might as well be limited
to root only.
admbugs: 782
Reported by: C Turt <ecturt@gmail.com>
MFC after: 3 days
Sponsored by: The FreeBSD Foundation
Cy Schubert [Thu, 22 Nov 2018 04:48:27 +0000 (04:48 +0000)]
Allow forced start of ipmon in special cases where testing is desired
(or other special cases) and when ipfilter is disabled in rc.conf but
started by other means.
Mateusz Guzik [Wed, 21 Nov 2018 22:25:05 +0000 (22:25 +0000)]
uipc_usrreq: fix inode number assignment
The code was incrementing a global variable in an unsafe manner.
Two different threads stating two different sockets could have resulted
in the same inode numbers assigned to both.
Creation is protected with a global lock, move the assigment there.
Since inode numbers are 64-bit now drop the check for overflows.
Maxim Sobolev [Wed, 21 Nov 2018 21:46:06 +0000 (21:46 +0000)]
Fix CU: output of the --debug-dump=decodedline, the problem there
is that both file name and current directory is recorded, however
file name sometimes already contains absolute path. In which case
prefixing it with directory name results in an invalid pathname.
Only append directory name if the file name does not start with '/'.
This seems to DTRT.
Michael Tuexen [Wed, 21 Nov 2018 18:19:15 +0000 (18:19 +0000)]
Improve two KASSERTs in the TCP RACK stack.
There are two locations where an always true comparison was made in
a KASSERT. Replace this by an appropriate check and use a consistent
panic message. Also use this code when checking a similar condition.
It was reported, and I easily reproduced it, that this change triggers panic
when receiving replication stream with enabled embedded blocks, when short
file compressing into one embedded block changes its block size. I am not
sure that the problem is in this particuler patch, not just triggered by it,
but since investigation and fix will take some time, I've decided to revert
this for now.
Mark Johnston [Wed, 21 Nov 2018 17:32:09 +0000 (17:32 +0000)]
Avoid unsynchronized updates to kn_status.
kn_status is protected by the kqueue's lock, but we were updating it
without the kqueue lock held. For EVFILT_TIMER knotes, there is no
knlist lock, so the knote activation could occur during the kn_status
update and result in KN_QUEUED being lost, in which case we'd enqueue
an already-enqueued knote, corrupting the queue.
Fix the problem by setting or clearing KN_DISABLED before dropping the
kqueue lock to call into the filter. KN_DISABLED is used only by the
core kevent code, so there is no side effect from setting it earlier.
Reported and tested by: Sylvain GALLIANO <sg@efficientip.com>
Reviewed by: kib
MFC after: 3 days
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D18060
Mark Johnston [Wed, 21 Nov 2018 17:18:27 +0000 (17:18 +0000)]
Add a taskqueue_quiesce(9) KPI.
This is similar to taskqueue_drain_all(9) but will wait for the queue
to become idle before returning instead of only waiting for
already-enqueued tasks to finish. This will be used in the opensolaris
compat layer.
PR: 227784
Reviewed by: cem
MFC after: 1 week
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D17975
Justin Hibbits [Wed, 21 Nov 2018 16:47:11 +0000 (16:47 +0000)]
DTrace/powerpc: Fix FBT return probes
The FBT fuction boundary prober was setting one return probe marker value,
but the dtrace handler was expecting another. This causes a hang when
tracing return probes.
Those two manual pages are already referencing each other in the HISTORY
sections, which people might skip. Mention those manual pages explicitly in
the SEE ALSO sections. Also, remove a reference to be(1) from libbe(3).
Ben Widawsky [Wed, 21 Nov 2018 04:34:18 +0000 (04:34 +0000)]
linuxkpi: Use pageproc instead of vmproc
According to markj@:
pageproc contains the page daemon and laundry threads, which are
responsible for managing the LRU page queues and writing back dirty
pages. vmproc's main task is to swap out kernel stacks when the system
is under memory pressure, and swap them back in when necessary. It's a
somewhat legacy component of the system and isn't required. You can
build a kernel without it by specifying "options NO_SWAPPING" (which is
a somewhat misleading name), in which vm_swapout_dummy.c is compiled
instead of vm_swapout.c.
Based on this, we want pageproc to emulate kswapd, not vmproc.
Ben Widawsky [Tue, 20 Nov 2018 22:49:19 +0000 (22:49 +0000)]
linuxkpi: Add some basic swap functions
These are used by kms-drm to determine various heuristics relate
memory conditions.
The number of free swap pages is just a variable, and it can be
much cheaper by either adding a new getter, or simply extern'ing
swap_total. However, this patch opts to use the more expensive,
existing interface - since this isn't an operation in a high per
path.
This allows us to remove some more gpl linuxkpi and do the follo
kms-drm:
git rm linuxkpi/gplv2/include/linux/swap.h
Ed Maste [Tue, 20 Nov 2018 20:59:49 +0000 (20:59 +0000)]
Add NT_FREEBSD_FEATURE_CTL ELF note to csu
This note will be used to allow binaries to opt out of, or in to,
upcoming vulnerability mitigation and other features. It is not yet
connected but being added now to facilitate testing and ensure
compatibility with existing kernels and tools.
Reviewed by: brooks, jhb, kib, markj
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D17438
Ed Maste [Tue, 20 Nov 2018 16:54:42 +0000 (16:54 +0000)]
stand: remove CLANG_NO_IAS from btx and gptboot
Many components under stand/ had CLANG_NO_IAS added when Clang's
Integrated Assembler (IAS) did not handle .codeNN directives. Clang
gained support quite some time ago, and we can now build stand/ with
IAS.
Note that in some cases there are small differences in the generated
output, so CLANG_NO_IAS should be removed only after testing (or after
finding no differences in the output).
PR: 205250, 233094
Sponsored by: The FreeBSD Foundation
Mateusz Guzik [Tue, 20 Nov 2018 14:58:41 +0000 (14:58 +0000)]
Implement unr64
Important users of unr like tmpfs or pipes can get away with just
ever-increasing counters, making the overhead of managing the state
for 32 bit counters a pessimization.
Change it to an atomic variable. This can be further sped up by making
the counts variable "allocate" ranges and store them per-cpu.
Reviewed by: kib
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D18054
rtld: when immediate bind mode is requested, process irelocs in PLT
immediately after other PLT relocs.
Otherwise, if the object has relro page, we write to readonly page,
and we would need to use mprotect(2) two more times to fix it. Note
that resolve_object_ifunc() does nothing when called second time, so
there is no need to avoid existing call.
Reported and tested by: emaste
PR: 233333
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Tijl Coosemans [Tue, 20 Nov 2018 14:18:57 +0000 (14:18 +0000)]
Fix another user address dereference in linux_sendmsg syscall.
This was hidden behind the LINUX_CMSG_NXTHDR macro which dereferences its
second argument. Stop using the macro as well as LINUX_CMSG_FIRSTHDR. Use
the size field of the kernel copy of the control message header to obtain
the next control message.
Warner Losh [Tue, 20 Nov 2018 07:11:23 +0000 (07:11 +0000)]
Ensure that all values of ns, us and ms work for {n,u,m}stosbt
Integer overflows and wrong constants limited the accuracy of these
functions and created situatiosn where sbttoXs(Xstosbt(Y)) != Y. This
was especailly true in the ns case where we had millions of values
that were wrong.
Instead, used fixed constants because there's no way to say ceil(X)
for integer math. Document what these crazy constants are.
Also, use a shift one fewer left to avoid integer overflow causing
incorrect results, and adjust the equasion accordingly. Document this.
Allow times >= 1s to be well defined for these conversion functions
(at least the Xstosbt). There's too many users in the tree that they
work for >= 1s.
This fixes a failure on boot to program firmware on the mlx4
NIC. There was a msleep(1000) in the code. Prior to my recent rounding
changes, msleep(1000) worked, but msleep(1001) did not because the old
code rounded to just below 2^64 and the new code rounds to just above
it (overflowing, causing the msleep(1000) to really sleep 1ms).
A test program to test all cases will be committed shortly. The test
exaustively tries every value (thanks to bde for the test).
Rick Macklem [Tue, 20 Nov 2018 01:59:57 +0000 (01:59 +0000)]
Improve sanity checking for the dircount hint argument to
NFSv3's ReaddirPlus and NFSv4's Readdir operations. The code
checked for a zero argument, but did not check for a very large value.
This patch clips dircount at the server's maximum data size.
Rick Macklem [Tue, 20 Nov 2018 01:56:34 +0000 (01:56 +0000)]
nfsm_advance() would panic() when the offs argument was negative.
The code assumed that this would indicate a corrupted mbuf chain, but
it could simply be caused by bogus RPC message data.
This patch replaces the panic() with a printf() plus error return.
Rick Macklem [Tue, 20 Nov 2018 01:52:45 +0000 (01:52 +0000)]
r304026 added code that started statistics gathering for an operation
before the operation number (the variable called "op") was sanity checked.
This patch moves the code down to below the range sanity check for "op".
Marius Strobl [Tue, 20 Nov 2018 00:08:33 +0000 (00:08 +0000)]
Given that the idea of D15374 was to "make memmove a first class citizen",
provide a _MEMMOVE extension of _MEMCPY that deals with overlap based on
the previous bcopy(9) implementation and use the former for bcopy(9) and
memmove(9). This addresses my D15374 review comment, avoiding extra MOVs
in case of memmove(9) and trashing the stack pointer.
Thomas Munro [Tue, 20 Nov 2018 00:06:53 +0000 (00:06 +0000)]
pom: Fix fencepost bugs.
Under some conditions pom would report "waning" and then "full", show
higher percentages than it should, and get confused by DST. Fix.
Before:
2018.01.30: The Moon is Waxing Gibbous (97% of Full)
2018.01.31: The Moon is Waning Gibbous (100% of Full)
2018.02.01: The Moon is Full
2018.02.02: The Moon is Waning Gibbous (98% of Full)
After:
2018.01.30: The Moon is Waxing Gibbous (96% of Full)
2018.01.31: The Moon is Waxing Gibbous (99% of Full)
2018.02.01: The Moon is Full
2018.02.02: The Moon is Waning Gibbous (97% of Full)
Marius Strobl [Mon, 19 Nov 2018 23:56:33 +0000 (23:56 +0000)]
For consistency within the front-end, prefer SDHCI_{READ,WRITE}_{2,4}()
to sdhci_acpi_{read,write}_{2,4}() in the sdhci_acpi_set_uhs_timing()
added in r340543.
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