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Filename Latest commit message Latest commit date
Mathieu Desnoyers f89d15c986 selftests/rseq: x86-64: use %fs segment selector for accessing rseq thread area
commit 4e15bb766b6c6e963a4d33629034d0ec3b7637df upstream.

Rather than use rseq_get_abi() and pass its result through a register to
the inline assembler, directly access the per-thread rseq area through a
memory reference combining the %fs segment selector, the constant offset
of the field in struct rseq, and the rseq_offset value (in a register).

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20220124171253.22072-15-mathieu.desnoyers@efficios.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-07-07 17:36:52 +02:00
arch s390: remove unneeded 'select BUILD_BIN2C' 2022-07-07 17:36:49 +02:00
block
certs certs/blacklist_hashes.c: fix const confusion in certs blacklist 2022-06-22 14:11:22 +02:00
crypto crypto: drbg - make reseeding from get_random_bytes() synchronous 2022-06-22 14:11:18 +02:00
Documentation iio: adc: vf610: fix conversion mode sysfs node name 2022-06-29 08:58:47 +02:00
drivers net: dsa: bcm_sf2: force pause link settings 2022-07-07 17:36:50 +02:00
fs afs: Fix dynamic root getattr 2022-06-29 08:58:46 +02:00
include linux/dim: Fix divide by 0 in RDMA DIM 2022-07-07 17:36:49 +02:00
init random: handle latent entropy and command line from random_init() 2022-06-22 14:11:17 +02:00
ipc
kernel kexec_file: drop weak attribute from arch_kexec_apply_relocations[_add] 2022-07-02 16:28:50 +02:00
lib
LICENSES
mm random: move randomize_page() into mm where it belongs 2022-06-22 14:11:17 +02:00
net ipv6/sit: fix ipip6_tunnel_get_prl return value 2022-07-07 17:36:51 +02:00
samples
scripts modpost: fix section mismatch check for exported init/exit sections 2022-06-29 08:58:49 +02:00
security
sound ALSA: hda/realtek: Add quirk for Clevo PD70PNT 2022-06-29 08:58:44 +02:00
tools selftests/rseq: x86-64: use %fs segment selector for accessing rseq thread area 2022-07-07 17:36:52 +02:00
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Makefile Linux 5.4.203 2022-07-02 16:28:53 +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.