Hi Athira and Namhyung,
On 03/09/2024 03:25 PM, Athira Rajeev wrote:
The function get_dwarf_regnum() returns a DWARF register number
from a register name string. This calls arch specific function
get_arch_regnum to return register number for corresponding arch.
Add mappings for register name to
On 06/08/2023 08:56 PM, Arnd Bergmann wrote:
On Thu, Jun 8, 2023, at 09:04, Tiezhu Yang wrote:
On 05/09/2023 05:37 PM, Arnd Bergmann wrote:
On Tue, May 9, 2023, at 09:05, Tiezhu Yang wrote:
I think we are completely safe on the architectures that were
added since the linux-3.x days (arm64
Hi all,
On 05/09/2023 05:37 PM, Arnd Bergmann wrote:
On Tue, May 9, 2023, at 09:05, Tiezhu Yang wrote:
Now we specify the minimal version of GCC as 5.1 and Clang/LLVM as 11.0.0
in Documentation/process/changes.rst, __CHAR_BIT__ and __SIZEOF_LONG__ are
usable, just define __BITS_PER_LONG as
arch specific uapi bitsperlong.h which will be generated as
arch/*/include/generated/uapi/asm/bitsperlong.h.
Suggested-by: Xi Ruoyao
Link:
https://lore.kernel.org/all/d3e255e4746de44c9903c4433616d44ffcf18d1b.ca...@xry111.site/
Signed-off-by: Tiezhu Yang
---
This is based on 6.4-rc1
arch
werpc`
Here are the steps to install the latest grep:
wget http://ftp.gnu.org/gnu/grep/grep-3.8.tar.gz
tar xf grep-3.8.tar.gz
cd grep-3.8 && ./configure && make
sudo make install
export PATH=/usr/local/bin:$PATH
Signed-off-by: Tiezhu Yang
---
As Shuah suggested,
ep -rwl arch/powerpc`
Here are the steps to install the latest grep:
wget http://ftp.gnu.org/gnu/grep/grep-3.8.tar.gz
tar xf grep-3.8.tar.gz
cd grep-3.8 && ./configure && make
sudo make install
export PATH=/usr/local/bin:$PATH
Signed-off-by: Tiezhu Yang
---
arch/powerpc
On 12/13/2021 10:43 PM, Matthew Wilcox wrote:
On Mon, Dec 13, 2021 at 08:30:33AM +, David Laight wrote:
From: Matthew Wilcox
Sent: 12 December 2021 11:48
On Sat, Dec 11, 2021 at 05:53:46PM +, David Laight wrote:
From: Tiezhu Yang
Sent: 11 December 2021 03:33
v2:
-- add
In arch/*/kernel/crash_dump*.c, there exist many similar code
about copy_oldmem_page(), remove copy_to() in fs/proc/vmcore.c
and add copy_to_user_or_kernel() in lib/usercopy.c, then we can
use copy_to_user_or_kernel() to simplify the related code.
Signed-off-by: Tiezhu Yang
---
fs/proc/vmcore.c
Use copy_to_user_or_kernel() to simplify the related code about
copy_oldmem_page() in arch/*/kernel/crash_dump*.c files.
Signed-off-by: Tiezhu Yang
---
arch/arm/kernel/crash_dump.c | 12 +++-
arch/arm64/kernel/crash_dump.c | 12 +++-
arch/ia64/kernel/crash_dump.c| 12
v2:
-- add copy_to_user_or_kernel() in lib/usercopy.c
-- define userbuf as bool type
Tiezhu Yang (2):
kdump: vmcore: remove copy_to() and add copy_to_user_or_kernel()
kdump: crashdump: use copy_to_user_or_kernel() to simplify code
arch/arm/kernel/crash_dump.c | 12 +++-
arch
On 12/11/2021 12:59 AM, Andrew Morton wrote:
On Fri, 10 Dec 2021 21:36:00 +0800 Tiezhu Yang wrote:
In arch/*/kernel/crash_dump*.c, there exist similar code about
copy_oldmem_page(), move copy_to() from vmcore.c to uaccess.h,
and then we can use copy_to() to simplify the related code
In arch/*/kernel/crash_dump*.c, there exist similar code about
copy_oldmem_page(), move copy_to() from vmcore.c to uaccess.h,
and then we can use copy_to() to simplify the related code.
Signed-off-by: Tiezhu Yang
---
fs/proc/vmcore.c| 14 --
include/linux/uaccess.h | 14
Tiezhu Yang (2):
kdump: vmcore: move copy_to() from vmcore.c to uaccess.h
kdump: crashdump: use copy_to() to simplify the related code
arch/arm/kernel/crash_dump.c | 10 ++
arch/arm64/kernel/crash_dump.c | 10 ++
arch/ia64/kernel/crash_dump.c| 10 --
arch
Use copy_to() to simplify the related code about copy_oldmem_page()
in arch/*/kernel/crash_dump*.c files.
Signed-off-by: Tiezhu Yang
---
arch/arm/kernel/crash_dump.c | 10 ++
arch/arm64/kernel/crash_dump.c | 10 ++
arch/ia64/kernel/crash_dump.c| 10 --
arch
On 09/14/2021 03:30 PM, Daniel Borkmann wrote:
On 9/11/21 3:56 AM, Tiezhu Yang wrote:
[...]
With this patch, it does not change the current limit 33,
MAX_TAIL_CALL_CNT
can reflect the actual max tail call count, the tailcall selftests
can work
well, and also the above failed testcase in
s) and the JIT (all archs except for x86).
# uname -m
x86_64
# echo 1 > /proc/sys/net/core/bpf_jit_enable
# modprobe test_bpf
# dmesg | grep -w FAIL
Tail call error path, max count reached jited:1 ret 33 != 34 FAIL
Signed-off-by: Tiezhu Yang
---
v2:
-- fix the typos in the commi
3,
then do some small changes of the related code.
With this patch, it does not change the current limit, MAX_TAIL_CALL_CNT
can reflect the actual max tail call count, and the above failed testcase
can be fixed.
Signed-off-by: Tiezhu Yang
---
arch/arm/net/bpf_jit_32.c | 11 ++-
ar
x count reached jited:1 ret 34 != 33 FAIL
with this patch, make the actual max tail call count as MAX_TAIL_CALL_CNT,
at the same time, the above failed testcase can be fixed.
Signed-off-by: Tiezhu Yang
---
Hi all,
This is a RFC patch, if I am wrong or I missed something,
please let me know, th
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