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Lai Jiangshan ce09d1e2f8 x86/entry/64: Remove unneeded kernel CR3 switching 
commit c75890700455113c366f795f3d22ee03623835e8 upstream.
Backport summary: for 5.4 kernel fsgsbase support.

When native_load_gs_index() fails on .Lgs_change, CR3 must be kernel
CR3. No need to switch it.

Signed-off-by: Lai Jiangshan <laijs@linux.alibaba.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20200419144049.1906-2-laijs@linux.alibaba.com

(cherry picked from commit c75890700455113c366f795f3d22ee03623835e8)
Signed-off-by: Ethan Zhao <Haifeng.Zhao@intel.com>
 		2021-07-21 20:42:46 +08:00
Documentation Documentation/x86/64: Add documentation for GS/FS addressing mode 2021-07-21 20:42:46 +08:00
LICENSES Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
arch x86/entry/64: Remove unneeded kernel CR3 switching 2021-07-21 20:42:46 +08:00
block block: only update parent bi_status when bio fail 2021-05-20 16:07:05 +08:00
certs certs: Fix blacklist flag type confusion 2021-04-12 12:52:25 +08:00
crypto crypto: rng - fix crypto_rng_reset() refcounting when !CRYPTO_STATS 2021-05-20 16:07:34 +08:00
drivers ampere/arm64: Work around Ampere Altra erratum #82288 PCIE_65 2021-07-12 08:57:22 +00:00
fs ovl: fix missing revert_creds() on error path 2021-05-20 16:07:44 +08:00
include compiler.h: Move instrumentation_begin()/end() to new <linux/instrumentation.h> header 2021-07-21 20:42:45 +08:00
init init/Kconfig: make COMPILE_TEST depend on HAS_IOMEM 2021-05-20 16:06:54 +08:00
ipc ipc/util.c: sysvipc_find_ipc() incorrectly updates position index 2021-03-16 16:27:51 +08:00
kernel locking/percpu-rwsem: Use this_cpu_{inc,dec}() for read_count 2021-07-15 15:53:01 +08:00
lib bug: Remove redundant condition check in report_bug 2021-05-20 16:07:55 +08:00
mm mm: Add 'mprotect' hook to struct vm_operations_struct 2021-07-12 08:56:46 +00:00
net sctp: delay auto_asconf init until binding the first addr 2021-05-20 16:08:02 +08:00
package config/arm: enable CONFIG_SCSI_SMARTPQI 2021-07-16 12:26:49 +08:00
samples kfifo: fix ternary sign extension bugs 2021-05-20 16:08:01 +08:00
scripts kabi: kabi check support 2021-06-23 07:24:18 +00:00
security security: commoncap: fix -Wstringop-overread warning 2021-05-20 16:07:35 +08:00
sound ALSA: usb: midi: don't return -ENOMEM when usb_urb_ep_type_check fails 2021-05-20 16:07:59 +08:00
tools selftests/x86: Add a syscall_arg_fault_64 test for negative GSBASE 2021-07-21 20:42:46 +08:00
usr Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
virt KVM: Stop looking for coalesced MMIO zones if the bus is destroyed 2021-05-20 16:07:44 +08:00
.clang-format Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
.cocciconfig Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
.get_maintainer.ignore Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
.gitattributes Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
.gitignore Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
COPYING Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
CREDITS Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
Kbuild Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
Kconfig Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
MAINTAINERS x86/sgx: Update MAINTAINERS 2021-07-12 08:56:46 +00:00
Makefile Rebase to linux long term 5.4.119 2021-05-20 16:08:02 +08:00
README Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
README.md Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
backport_remove_lists.txt Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
tools_key.pub Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00

README.md

Tencent Linux Kernel 4.0