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Filename Latest commit message Latest commit date
Chris Wilson bfc12ff905 agp/intel: Reinforce the barrier after GTT updates 
commit f30d3ced9fafa03e4855508929b5b6334907f45e upstream.

After changing the timing between GTT updates and execution on the GPU,
we started seeing sporadic failures on Ironlake. These were narrowed
down to being an insufficiently strong enough barrier/delay after
updating the GTT and scheduling execution on the GPU. By forcing the
uncached read, and adding the missing barrier for the singular
insert_page (relocation paths), the sporadic failures go away.

Fixes: 983d308cb8 ("agp/intel: Serialise after GTT updates")
Fixes: 3497971a71 ("agp/intel: Flush chipset writes after updating a single PTE")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Andi Shyti <andi.shyti@intel.com>
Cc: stable@vger.kernel.org # v4.0+
Link: https://patchwork.freedesktop.org/patch/msgid/20200410083535.25464-1-chris@chris-wilson.co.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-06-17 16:40:36 +02:00
arch KVM: arm64: Make vcpu_cp1x() work on Big Endian hosts 2020-06-17 16:40:34 +02:00
block
certs
crypto crypto: drbg - fix error return code in drbg_alloc_state() 2020-06-17 16:40:31 +02:00
Documentation lib/lzo: fix ambiguous encoding bug in lzo-rle 2020-06-17 16:40:28 +02:00
drivers agp/intel: Reinforce the barrier after GTT updates 2020-06-17 16:40:36 +02:00
fs fat: don't allow to mount if the FAT length == 0 2020-06-17 16:40:36 +02:00
include dccp: Fix possible memleak in dccp_init and dccp_fini 2020-06-17 16:40:32 +02:00
init
ipc
kernel perf: Add cond_resched() to task_function_call() 2020-06-17 16:40:36 +02:00
lib lib/lzo: fix ambiguous encoding bug in lzo-rle 2020-06-17 16:40:28 +02:00
LICENSES
mm mm/slub: fix a memory leak in sysfs_slab_add() 2020-06-17 16:40:36 +02:00
net dccp: Fix possible memleak in dccp_init and dccp_fini 2020-06-17 16:40:32 +02:00
samples
scripts bpf: Support llvm-objcopy for vmlinux BTF 2020-06-17 16:40:20 +02:00
security Smack: slab-out-of-bounds in vsscanf 2020-06-17 16:40:36 +02:00
sound ALSA: usb-audio: Add vendor, product and profile name for HP Thunderbolt Dock 2020-06-17 16:40:28 +02:00
tools selftests/ftrace: Return unsupported if no error_log file 2020-06-17 16:40:35 +02:00
usr
virt KVM: x86: Fix APIC page invalidation race 2020-06-17 16:40:26 +02:00
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Makefile Linux 5.4.46 2020-06-10 20:24:58 +02:00
README

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.