After `make run_tests`, the git status complains:
Untracked files:
(use "git add ..." to include in what will be committed)
zram/err.log
This file will be cleaned up when execute 'make clean'
Cc: Shuah Khan
Signed-off-by: Li Zhijian
---
Hello,
Cover letter is here.
This patch set a
After `make run_tests`, the git status complains:
Untracked files:
(use "git add ..." to include in what will be committed)
cpufreq/cpufreq_selftest.dmesg_cpufreq.txt
cpufreq/cpufreq_selftest.dmesg_full.txt
cpufreq/cpufreq_selftest.txt
Cc: "Rafael J. Wysocki"
Cc: Vires
Compiled binary files should be added to .gitignore
'git status' complains:
Untracked files:
(use "git add ..." to include in what will be committed)
mm/hugetlb_dio
mm/pkey_sighandler_tests_32
mm/pkey_sighandler_tests_64
Cc: Donet Tom
Cc: Andrew Morton
Cc: Shuah
Compiled binary files should be added to .gitignore
'git status' complains:
Untracked files:
(use "git add ..." to include in what will be committed)
filesystems/statmount/statmount_test_ns
Cc: Shuah Khan
Cc: Christian Brauner
Cc: Miklos Szeredi
Cc: Josef Bacik
Signed-off-by: Li Zhijian
Compiled binary files should be added to .gitignore
'git status' complains:
Untracked files:
(use "git add ..." to include in what will be committed)
alsa/global-timer
alsa/utimer-test
Cc: Mark Brown
Cc: Jaroslav Kysela
Cc: Takashi Iwai
Cc: Shuah Khan
Signed-off-by: Li Zhijian
---
On Thu, 21 Nov 2024 at 22:50, John Ogness wrote:
>
> From: Thomas Weißschuh
>
> The KUnit test validates the correct operation of the ringbuffer.
> A separate dedicated ringbuffer is used so that the global printk
> ringbuffer is not touched.
>
> Co-developed-by: John Ogness
> Signed-off-by: Joh
> On Tue, Nov 19, 2024 at 3:43 PM Yongji Xie
> wrote:
> >
> > Dual-license the vduse kernel header file to dual
> > GPL-2.0 OR BSD-3-Clause license to make it possible to ship it with
> > DPDK (under BSD-3-Clause) for older distros.
> >
> > Signed-off-by: Yongji Xie
> > ---
> > include/uapi/linu
Under certain kernel configurations when building with Clang/LLVM, the
compiler does not generate a return or jump as the terminator
instruction for ip_vs_protocol_init(), triggering the following objtool
warning during build time:
vmlinux.o: warning: objtool: ip_vs_protocol_init() falls through
On Tue, Nov 19, 2024 at 3:43 PM Yongji Xie wrote:
>
> Dual-license the vduse kernel header file to dual
> GPL-2.0 OR BSD-3-Clause license to make it possible
> to ship it with DPDK (under BSD-3-Clause) for older
> distros.
>
> Signed-off-by: Yongji Xie
> ---
> include/uapi/linux/vduse.h | 2 +-
>
On Thu, Nov 21, 2024 at 9:42 PM Sami Tolvanen wrote:
>
> Hi,
>
> Here's v6 of the DWARF modversions series. The main motivation is
> modversions support for Rust, which is important for distributions
> like Android that are about to ship Rust kernel modules. Per Luis'
> request [1], v2 dropped the
Hi Linus,
Please pull the following kunit update for Linux 6.13-rc1.
This pull request is fixed up with the right fix for the UAF bug and
includes other fixes.
linux_kselftest-kunit-6.13-rc1-fixed
kunit update for Linux 6.13-rc1
-- fixes user-after-free (UAF) bug in kunit_init_suite()
-- add
On Wed, Nov 20, 2024 at 6:52 AM Saket Kumar Bhaskar wrote:
>
> On Fri, Nov 08, 2024 at 10:43:54AM -0800, Andrii Nakryiko wrote:
> > On Sun, Nov 3, 2024 at 9:00 PM Saket Kumar Bhaskar
> > wrote:
> > >
> > > Since commit 94746890202cf ("powerpc: Don't add __powerpc_ prefix to
> > > syscall entry p
On Thu, Nov 7, 2024 at 2:38 PM Luis Chamberlain wrote:
>
> On Wed, Nov 06, 2024 at 02:19:38PM -0800, Matthew Maurer wrote:
> > >
> > > > If booted against an old kernel, it will
> > > > behave as though there is no modversions information.
> > >
> > > Huh? This I don't get. If you have the new lib
On 21/11/2024 00:58, Sergey Ryazanov wrote:
On 15.11.2024 16:28, Antonio Quartulli wrote:
On 10/11/2024 19:26, Sergey Ryazanov wrote:
On 29.10.2024 12:47, Antonio Quartulli wrote:
[...]
+static bool ovpn_socket_hold(struct ovpn_socket *sock)
+{
+ return kref_get_unless_zero(&sock->refcou
On 20/11/2024 12:56, Sabrina Dubroca wrote:
2024-10-29, 11:47:19 +0100, Antonio Quartulli wrote:
+/**
+ * struct ovpn_peer - the main remote peer object
+ * @ovpn: main openvpn instance this peer belongs to
+ * @id: unique identifier
+ * @vpn_addrs: IP addresses assigned over the tunnel
+ * @
On 21/11/2024 17:02, Sabrina Dubroca wrote:
[I'm still thinking about the locking problems for ovpn_peer_float,
but just noticed this while staring at the rehash code]
2024-10-29, 11:47:31 +0100, Antonio Quartulli wrote:
+void ovpn_peer_hash_vpn_ip(struct ovpn_peer *peer)
+ __must_hold(&p
On 20/11/2024 12:45, Sabrina Dubroca wrote:
2024-10-29, 11:47:21 +0100, Antonio Quartulli wrote:
+static int ovpn_udp4_output(struct ovpn_struct *ovpn, struct ovpn_bind *bind,
+ struct dst_cache *cache, struct sock *sk,
+ struct sk_buff *skb)
+
On 21/11/2024 00:22, Sergey Ryazanov wrote:
On 13.11.2024 12:03, Sabrina Dubroca wrote:
2024-11-13, 03:37:13 +0200, Sergey Ryazanov wrote:
On 12.11.2024 19:31, Sabrina Dubroca wrote:
2024-11-10, 15:38:27 +0200, Sergey Ryazanov wrote:
On 29.10.2024 12:47, Antonio Quartulli wrote:
An ovpn_peer
On 21/11/2024 01:29, Sergey Ryazanov wrote:
On 15.11.2024 16:39, Antonio Quartulli wrote:
On 11/11/2024 00:54, Sergey Ryazanov wrote:
Another one forgotten question, sorry about this. Please find the
question inlined.
On 29.10.2024 12:47, Antonio Quartulli wrote:
/* Send user data to the n
On 21/11/2024 00:34, Sergey Ryazanov wrote:
On 19.11.2024 15:44, Antonio Quartulli wrote:
On 15/11/2024 15:28, Antonio Quartulli wrote:
[...]
+}
+
+static struct ovpn_socket *ovpn_socket_get(struct socket *sock)
+{
+ struct ovpn_socket *ovpn_sock;
+
+ rcu_read_lock();
+ ovpn_sock = rcu
On 20/11/2024 23:56, Sergey Ryazanov wrote:
On 15.11.2024 16:13, Antonio Quartulli wrote:
On 09/11/2024 02:11, Sergey Ryazanov wrote:
On 29.10.2024 12:47, Antonio Quartulli wrote:
An ovpn interface will keep carrier always on and let the user
decide when an interface should be considered disco
When MODVERSIONS is enabled, allow selecting gendwarfksyms as the
implementation, but default to genksyms.
Signed-off-by: Sami Tolvanen
---
kernel/module/Kconfig | 25 -
scripts/Makefile | 2 +-
scripts/Makefile.build | 35 +--
3 fi
Distributions that want to maintain a stable kABI need the ability
to make ABI compatible changes to kernel without affecting symbol
versions, either because of LTS updates or backports.
With genksyms, developers would typically hide these changes from
version calculation with #ifndef __GENKSYMS__
Add support for expanding DW_TAG_array_type, and the subrange type
indicating array size.
Example source code:
const char *s[34];
Output with --dump-dies:
variable array_type[34] {
pointer_type {
const_type {
base_type char byte_size(1) encoding(6)
}
} byte_size(
Start making gendwarfksyms more useful by adding support for
expanding DW_TAG_base_type types and basic DWARF attributes.
Example:
$ echo loops_per_jiffy | \
scripts/gendwarfksyms/gendwarfksyms \
--debug --dump-dies vmlinux.o
...
gendwarfksyms: process_symbol: loops_per_jiffy
Basic types in DWARF repeat frequently and traversing the DIEs using
libdw is relatively slow. Add a simple hashtable based cache for the
processed DIEs.
Signed-off-by: Sami Tolvanen
Reviewed-by: Petr Pavlu
---
scripts/gendwarfksyms/Makefile| 1 +
scripts/gendwarfksyms/die.c
Add documentation for gendwarfksyms changes, and the kABI stability
features that can be useful for distributions even though they're not
used in mainline kernels.
Signed-off-by: Sami Tolvanen
---
Documentation/kbuild/gendwarfksyms.rst | 308 +
Documentation/kbuild/index.
Distributions that want to maintain a stable kABI need the ability
to make ABI compatible changes to kernel data structures without
affecting symbol versions, either because of LTS updates or backports.
With genksyms, developers would typically hide these changes from
version calculation with #ifn
Debugging the DWARF processing can be somewhat challenging, so add
more detailed debugging output for die_map operations. Add the
--dump-die-map flag, which adds color coded tags to the output for
die_map changes.
Signed-off-by: Sami Tolvanen
Reviewed-by: Petr Pavlu
---
scripts/gendwarfksyms/dw
With gendwarfksyms, we need each TU where the EXPORT_SYMBOL() macro
is used to also contain DWARF type information for the symbols it
exports. However, as a TU can also export external symbols and
compilers may choose not to emit debugging information for symbols not
defined in the current TU, the
Recursively expand DWARF structure types, i.e. structs, unions, and
enums. Also include relevant DWARF attributes in type strings to
encode structure layout, for example.
Example output with --dump-dies:
subprogram (
formal_parameter structure_type &str {
member pointer_type {
Add a basic DWARF parser, which uses libdw to traverse the debugging
information in an object file and looks for functions and variables.
In follow-up patches, this will be expanded to produce symbol versions
for CONFIG_MODVERSIONS from DWARF.
Signed-off-by: Sami Tolvanen
Reviewed-by: Petr Pavlu
Add support for expanding DW_TAG_subroutine_type and the parameters
in DW_TAG_formal_parameter. Use this to also expand subprograms.
Example output with --dump-dies:
subprogram (
formal_parameter pointer_type {
const_type {
base_type char byte_size(1) encoding(6)
}
}
The compiler may choose not to emit type information in DWARF for all
aliases, but it's possible for each alias to be exported separately.
To ensure we find type information for the aliases as well, read
{section, address} tuples from the symbol table and match symbols also
by address.
Signed-off-
The compiler may choose not to emit type information in DWARF for
external symbols. Clang, for example, does this for symbols not
defined in the current TU.
To provide a way to work around this issue, add support for
__gendwarfksyms_ptr_ pointers that force the compiler to emit
the necessary type
Calculate symbol versions from the fully expanded type strings in
type_map, and output the versions in a genksyms-compatible format.
Signed-off-by: Sami Tolvanen
---
scripts/gendwarfksyms/Makefile| 2 +-
scripts/gendwarfksyms/dwarf.c | 25 +-
scripts/gendwarfksyms/gendwarf
Add support for producing genksyms-style symtypes files. Process
die_map to find the longest expansions for each type, and use symtypes
references in type definitions. The basic file format is similar to
genksyms, with two notable exceptions:
1. Type names with spaces (common with Rust) in refer
Expand each structure type only once per exported symbol. This
is necessary to support self-referential structures, which would
otherwise result in infinite recursion, and it's sufficient for
catching ABI changes.
Types defined in .c files are opaque to external users and thus
cannot affect the AB
Add support for expanding DWARF type modifiers, such as pointers,
const values etc., and typedefs. These types all have DW_AT_type
attribute pointing to the underlying type, and thus produce similar
output.
Also add linebreaks and indentation to debugging output to make it
more readable.
Signed-o
Hi,
Here's v6 of the DWARF modversions series. The main motivation is
modversions support for Rust, which is important for distributions
like Android that are about to ship Rust kernel modules. Per Luis'
request [1], v2 dropped the Rust specific bits from the series and
instead added the feature a
[I'm still thinking about the locking problems for ovpn_peer_float,
but just noticed this while staring at the rehash code]
2024-10-29, 11:47:31 +0100, Antonio Quartulli wrote:
> +void ovpn_peer_hash_vpn_ip(struct ovpn_peer *peer)
> + __must_hold(&peer->ovpn->peers->lock)
> +{
> + struct h
On Wed, 20 Nov 2024 at 09:39, Arnaud POULIQUEN
wrote:
>
>
>
> On 11/20/24 17:04, Mathieu Poirier wrote:
> > On Tue, 19 Nov 2024 at 13:38, Mathieu Poirier
> > wrote:
> >>
> >> On Tue, 19 Nov 2024 at 11:14, Arnaud POULIQUEN
> >> wrote:
> >>>
> >>> Hello Mathieu,
> >>>
> >>> On 11/18/24 18:52, Math
Hello,
On Tue, 19 Nov 2024, Jinghao Jia wrote:
> On 11/18/24 6:41 AM, Julian Anastasov wrote:
> >
> > On Mon, 11 Nov 2024, Jinghao Jia wrote:
> >
> >> Under certain kernel configurations when building with Clang/LLVM, the
> >> compiler does not generate a return or jump as the termina
From: Thomas Weißschuh
The KUnit test validates the correct operation of the ringbuffer.
A separate dedicated ringbuffer is used so that the global printk
ringbuffer is not touched.
Co-developed-by: John Ogness
Signed-off-by: John Ogness
Signed-off-by: Thomas Weißschuh
---
For those not famil
On Thu, Nov 21, 2024 at 07:09:43PM +0530, Shijith Thotton wrote:
> Updated the driver to utilize all the MSI-X interrupt vectors supported
> by each OCTEON endpoint VF, instead of relying on a single vector.
> Enabling more interrupts allows packets from multiple rings to be
> distributed across mu
Added support to read the vendor-specific PCI capability to identify the
type of device being emulated.
Signed-off-by: Shijith Thotton
---
drivers/vdpa/octeon_ep/octep_vdpa.h | 24 +
drivers/vdpa/octeon_ep/octep_vdpa_hw.c | 34 +++-
drivers/vdpa/octeon_
From: Satha Rao
The first interrupt of the device is used to notify the host about
device configuration changes, such as link status updates. The ISR
configuration area is updated to indicate a config change event when
triggered.
Signed-off-by: Satha Rao
Signed-off-by: Shijith Thotton
---
dri
21.11.2024 15:57, Alexander Mikhalitsyn пишет:
Hi Stas!
Hmm, it is a bit unusual that SCM_PIDFD message format is different in case
when you send it and when you read it.
I mean that when you read it (on the receiver side) you get pidfd file
descriptor number,
while when you write it (on the s
Introduced an interrupt handler for the virtio crypto device, as its
queue usage differs from that of network devices. While virtio network
device receives packets only on even-indexed queues, virtio crypto
device utilize all available queues for processing data.
Signed-off-by: Shijith Thotton
--
Updated the driver to utilize all the MSI-X interrupt vectors supported
by each OCTEON endpoint VF, instead of relying on a single vector.
Enabling more interrupts allows packets from multiple rings to be
distributed across multiple cores, improving parallelism and
performance.
Signed-off-by: Shij
Hi,
On Thu, 21 Nov 2024, George Guo wrote:
> From: George Guo
>
> The script test-callbacks.sh fails with the following error:
> $ sudo ./test-callbacks.sh
> TEST: target module before livepatch ... not ok
>
> - expected
> + result
> test_klp_callbacks_mod: test_klp_callbacks_mod_init
> % in
>Currently SCM_PIDFD cmsg cannot be sent via unix socket
>(returns -EINVAL) and SO_PASSPIDFD doesn't support flags.
>The created pidfd always has flags set to 0.
>
>This patch implements SCM_PIDFD cmsg in AF_UNIX socket, which
>can be used to send flags to SO_PASSPIDFD-enabled recipient.
>
>Self-te
From: George Guo
The script test-sysfs.sh fails with the following error:
$ sudo ./test-sysfs.sh
TEST: sysfs test ... not ok
- expected
+ result
% insmod test_modules/test_klp_livepatch.ko
livepatch: enabling patch 'test_klp_livepatch'
-livepatch: 'test_klp_livepatch': initializing patching t
From: George Guo
The script test-syscall.sh fails with the following error:
$ sudo ./test-syscall.sh
TEST: patch getpid syscall while being heavily hammered ... not ok
- expected
+ result
% insmod test_modules/test_klp_syscall.ko
klp_pids=18484,18485,18486,18487,18488,18489,18490,...
livepat
From: George Guo
$ sudo ./test-state.sh
TEST: system state modification ... not ok
- expected
+ result
% insmod test_modules/test_klp_state.ko
livepatch: enabling patch 'test_klp_state'
-livepatch: 'test_klp_state': initializing patching transition
+transition: 'test_klp_state': initializing p
From: George Guo
The script test-callbacks.sh fails with the following error:
$ sudo ./test-livepatch.sh
TEST: basic function patching ... not ok
- expected
+ result
% insmod test_modules/test_klp_livepatch.ko
livepatch: enabling patch 'test_klp_livepatch'
-livepatch: 'test_klp_livepatch': ini
The script test-ftrace.sh fails with the following error:
$ sudo ./test-ftrace.sh
TEST: livepatch interaction with ftrace_enabled sysctl ... not ok
- expected
+ result
livepatch: kernel.ftrace_enabled = 0
% insmod test_modules/test_klp_livepatch.ko
livepatch: enabling patch 'test_klp_livepatch'
From: George Guo
The script test-callbacks.sh fails with the following error:
$ sudo ./test-callbacks.sh
TEST: target module before livepatch ... not ok
- expected
+ result
test_klp_callbacks_mod: test_klp_callbacks_mod_init
% insmod test_modules/test_klp_callbacks_demo.ko
livepatch: enabling
I found it when reading the code. So far, I haven't found any tools that
can be used for scanning yet. :)
Thank you for your review.
On 2024/11/19 15:33, Muhammad Usama Anjum wrote:
Thanks for the patch.
On 11/17/24 12:12 PM, guanjing wrote:
Lots of incorrect conversion specifiers. Fix the
Recent change in how get_user() handles pointers [1] has a specific case
for LAM. It assigns a different bitmask that's later used to check
whether a pointer comes from userland in get_user().
While currently commented out (until LASS [2] is merged into the kernel)
it's worth making changes to the
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