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Filename Latest commit message Latest commit date
Marc Zyngier 7736c61080 arm64: Run ARCH_WORKAROUND_2 enabling code on all CPUs 
commit 39533e12063be7f55e3d6ae21ffe067799d542a4 upstream.

Commit 606f8e7b27 ("arm64: capabilities: Use linear array for
detection and verification") changed the way we deal with per-CPU errata
by only calling the .matches() callback until one CPU is found to be
affected. At this point, .matches() stop being called, and .cpu_enable()
will be called on all CPUs.

This breaks the ARCH_WORKAROUND_2 handling, as only a single CPU will be
mitigated.

In order to address this, forcefully call the .matches() callback from a
.cpu_enable() callback, which brings us back to the original behaviour.

Fixes: 606f8e7b27 ("arm64: capabilities: Use linear array for detection and verification")
Cc: <stable@vger.kernel.org>
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Signed-off-by: Will Deacon <will@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-11-01 12:01:02 +01:00
arch arm64: Run ARCH_WORKAROUND_2 enabling code on all CPUs 2020-11-01 12:01:02 +01:00
block block: ratelimit handle_bad_sector() message 2020-10-29 09:58:01 +01:00
certs
crypto crypto: algif_skcipher - EBUSY on aio should be an error 2020-10-29 09:57:30 +01:00
Documentation
drivers usb: gadget: f_ncm: allow using NCM in SuperSpeed Plus gadgets. 2020-10-29 09:58:11 +01:00
fs reiserfs: Fix memory leak in reiserfs_parse_options() 2020-10-29 09:58:08 +01:00
include netfilter: nftables_offload: KASAN slab-out-of-bounds Read in nft_flow_rule_create 2020-11-01 12:01:01 +01:00
init
ipc
kernel bpf: Limit caller's stack depth 256 for subprogs with tailcalls 2020-10-29 09:58:06 +01:00
lib lib/crc32.c: fix trivial typo in preprocessor condition 2020-10-29 09:57:52 +01:00
LICENSES
mm mm/page_owner: change split_page_owner to take a count 2020-10-29 09:57:52 +01:00
net socket: don't clear SOCK_TSTAMP_NEW when SO_TIMESTAMPNS is disabled 2020-11-01 12:01:01 +01:00
samples misc: vop: add round_up(x,4) for vring_size to avoid kernel panic 2020-10-29 09:58:04 +01:00
scripts scripts/setlocalversion: make git describe output more reliable 2020-11-01 12:01:01 +01:00
security
sound ALSA: hda/ca0132 - Add new quirk ID for SoundBlaster AE-7. 2020-10-29 09:58:09 +01:00
tools objtool: Support Clang non-section symbols in ORC generation 2020-11-01 12:01:01 +01:00
usr
virt
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COPYING
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Makefile Linux 5.4.73 2020-10-29 09:58:11 +01:00
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.