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Alexander Shishkin 9c6c657047 intel_th: Wait until port is in reset before programming it
[ Upstream commit ab1afed701d2db7eb35c1a2526a29067a38e93d1 ]

Some devices don't drain their pipelines if we don't make sure that
the corresponding output port is in reset before programming it for
a new trace capture, resulting in bits of old trace appearing in the
new trace capture. Fix that by explicitly making sure the reset is
asserted before programming new trace capture.

Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Link: https://lore.kernel.org/r/20210621151246.31891-5-alexander.shishkin@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-07-20 16:05:46 +02:00
arch powerpc/boot: Fixup device-tree on little endian 2021-07-20 16:05:45 +02:00
block partitions: msdos: fix one-byte get_unaligned() 2021-07-20 16:05:39 +02:00
certs certs: add 'x509_revocation_list' to gitignore 2021-07-20 16:05:35 +02:00
crypto crypto: sm2 - fix a memory leak in sm2 2021-07-14 16:56:06 +02:00
Documentation powerpc/papr_scm: Make 'perf_stats' invisible if perf-stats unavailable 2021-07-14 16:56:49 +02:00
drivers intel_th: Wait until port is in reset before programming it 2021-07-20 16:05:46 +02:00
fs fs/jfs: Fix missing error code in lmLogInit() 2021-07-20 16:05:40 +02:00
include scsi: iscsi: Fix conn use after free during resets 2021-07-20 16:05:41 +02:00
init sched/core: Initialize the idle task with preemption disabled 2021-07-14 16:55:50 +02:00
ipc ipc/mqueue, msg, sem: avoid relying on a stack reference past its expiry 2021-05-26 12:06:54 +02:00
kernel rcu: Reject RCU_LOCKDEP_WARN() false positives 2021-07-20 16:05:38 +02:00
lib seq_buf: Fix overflow in seq_buf_putmem_hex() 2021-07-19 09:45:00 +02:00
LICENSES
mm mm,hwpoison: return -EBUSY when migration fails 2021-07-19 09:44:56 +02:00
net net: bridge: multicast: fix MRD advertisement router port marking race 2021-07-20 16:05:37 +02:00
samples samples/bpf: Fix the error return code of xdp_redirect's main() 2021-07-14 16:56:23 +02:00
scripts kbuild: Fix objtool dependency for 'OBJECT_FILES_NON_STANDARD_<obj> := n' 2021-07-14 16:56:04 +02:00
security smackfs: restrict bytes count in smk_set_cipso() 2021-07-19 09:45:03 +02:00
sound ALSA: firewire-motu: fix detection for S/PDIF source on optical interface in v2 protocol 2021-07-20 16:05:45 +02:00
tools selftests/powerpc: Fix "no_handler" EBB selftest 2021-07-20 16:05:43 +02:00
usr
virt KVM: mmio: Fix use-after-free Read in kvm_vm_ioctl_unregister_coalesced_mmio 2021-07-20 16:05:35 +02:00
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Makefile Linux 5.10.51 2021-07-19 09:45:03 +02:00
README

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.