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Filename Latest commit message Latest commit date
Stefano Stabellini 7fabd97a05 arm/xen: fix xen_vcpu_info allocation alignment
[ Upstream commit 7bf9a6b46549852a37e6d07e52c601c3c706b562 ]

xen_vcpu_info is a percpu area than needs to be mapped by Xen.
Currently, it could cross a page boundary resulting in Xen being unable
to map it:

[    0.567318] kernel BUG at arch/arm64/xen/../../arm/xen/enlighten.c:164!
[    0.574002] Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP

Fix the issue by using __alloc_percpu and requesting alignment for the
memory allocation.

Signed-off-by: Stefano Stabellini <stefano.stabellini@amd.com>

Link: https://lore.kernel.org/r/alpine.DEB.2.22.394.2311221501340.2053963@ubuntu-linux-20-04-desktop
Fixes: 24d5373dda ("arm/xen: Use alloc_percpu rather than __alloc_percpu")
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-12-08 08:44:23 +01:00
arch arm/xen: fix xen_vcpu_info allocation alignment 2023-12-08 08:44:23 +01:00
block block/partition: fix signedness issue for Amiga partitions 2023-07-27 08:37:29 +02:00
certs
crypto crypto: pcrypt - Fix hungtask for PADATA_RESET 2023-11-28 16:50:14 +00:00
Documentation firmware: ti_sci: Replace HTTP links with HTTPS ones 2023-11-20 10:30:12 +01:00
drivers net: usb: ax88179_178a: fix failed operations during ax88179_reset 2023-12-08 08:44:23 +01:00
fs afs: Make error on cell lookup failure consistent with OpenAFS 2023-12-08 08:44:22 +01:00
include HID: fix HID device resource race between HID core and debugging support 2023-12-08 08:44:23 +01:00
init x86/mm: Initialize text poking earlier 2023-08-08 19:56:36 +02:00
ipc
kernel tracing: Have trace_event_file have ref counters 2023-11-28 16:50:22 +00:00
lib kobject: Fix slab-out-of-bounds in fill_kobj_path() 2023-11-08 11:23:38 +01:00
LICENSES
mm mm/cma: use nth_page() in place of direct struct page manipulation 2023-11-28 16:50:19 +00:00
net ipv4: Correct/silence an endian warning in __ip_do_redirect 2023-12-08 08:44:23 +01:00
samples samples/bpf: Fix buffer overflow in tcp_basertt 2023-07-27 08:37:07 +02:00
scripts randstruct: Fix gcc-plugin performance mode to stay in group 2023-11-28 16:50:17 +00:00
security ima: rework CONFIG_IMA dependency block 2023-10-10 21:46:46 +02:00
sound ALSA: hda/realtek - Enable internal speaker of ASUS K6500ZC 2023-11-28 16:50:20 +00:00
tools tools/power/turbostat: Fix a knl bug 2023-11-28 16:50:17 +00:00
usr
virt KVM: Destroy target device if coalesced MMIO unregistration fails 2023-03-11 16:44:01 +01:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS iio: stx104: Move to addac subdirectory 2023-08-30 16:27:12 +02:00
Makefile Linux 5.4.262 2023-11-28 16:50:24 +00:00
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.