On Mon, Sep 21, 2020 at 12:35:16AM -0500, YiFei Zhu wrote:
> From: YiFei Zhu
>
> This series adds a bitmap to cache seccomp filter results if the
> result permits a syscall and is indepenent of syscall arguments.
> This visibly decreases seccomp overhead for most common seccomp
> filters with
On Mon, Sep 21, 2020 at 04:24:23PM +0800, Liu Shixin wrote:
> Simplify the return expression.
>
> Signed-off-by: Liu Shixin
> ---
Why not is all I can really say. :) But if this is about simplifying you
could get rid of the "ret" and "failure string" variables, and the goto
in that function
; macro names to match UAPI names.
>
> Signed-off-by: Kees Cook
> ---
Looks good, thanks!
Acked-by: Christian Brauner
; Suggested-by: Thadeu Lima de Souza Cascardo
> Link:
> https://lore.kernel.org/linux-kselftest/20200911181012.171027-1-casca...@canonical.com/
> Fixes: 58d0a862f573 ("seccomp: add tests for ptrace hole")
> Signed-off-by: Kees Cook
> ---
Looks good!
Acked-by: Christian Brauner
regset
> read/write happening once and in one code path.
>
> Signed-off-by: Kees Cook
> ---
Looks good!
Acked-by: Christian Brauner
if (!entry)
> + /*
> + * Some architectures only support setting return values during
> + * syscall exit under ptrace, and on exit the syscall number may
> + * no longer be available. Therefore, save the initial sycall
s/sycall/syscall/
Oth
ks good either way!
Acked-by: Christian Brauner
Looks good!
Acked-by: Christian Brauner
\
(_regs).regs[2] = _nr; \
} while (0)
would read better but that's just a matter of taste. :)
Looks good!
Acked-by: Christian Brauner
On Sat, Sep 12, 2020 at 04:08:09AM -0700, Kees Cook wrote:
> Remove the arm special-case in change_syscall().
>
> Signed-off-by: Kees Cook
> ---
Looks good!
Acked-by: Christian Brauner
> ---
Thanks! Looks good.
Acked-by: Christian Brauner
f-by: Kees Cook
> ---
Looks good!
Acked-by: Christian Brauner
On Sat, Sep 12, 2020 at 04:08:12AM -0700, Kees Cook wrote:
> With all architectures now using the common SYSCALL_NUM_SET() macro, the
> arch-specific #ifdef can be removed from change_syscall() itself.
>
> Signed-off-by: Kees Cook
> ---
Looks good!
Acked-by: Christian Brauner
On Sat, Sep 12, 2020 at 04:08:14AM -0700, Kees Cook wrote:
> Consolidate the REGSET logic into the new ARCH_GETREG() and
> ARCH_SETREG() macros, avoiding more #ifdef code in function bodies.
>
> Signed-off-by: Kees Cook
> ---
Looks good!
Acked-by: Christian Brauner
On Sat, Sep 12, 2020 at 04:08:19AM -0700, Kees Cook wrote:
> As the UAPI headers start to appear in distros, we need to avoid
> outdated versions of struct clone_args to be able to test modern
> features. Additionally pull in the syscall numbers correctly.
>
> Signed-off-by: Kees Cook
> ---
Hm,
return value (for whatever reason), they can define SYSCALL_RET_SET()
> without an associated SYSCALL_RET() macro. This also paves the way for
> architectures that need to do special things to set the return value
> (e.g. powerpc).
>
> Signed-off-by: Kees Cook
> ---
Looks good!
Acked-by: Christian Brauner
On Sat, Sep 12, 2020 at 04:08:13AM -0700, Kees Cook wrote:
> Instead of special-casing the get/set-registers routines, move the
> HAVE_GETREG logic into the new ARCH_GETREG() and ARCH_SETREG() macros.
>
> Signed-off-by: Kees Cook
> ---
Looks good!
Acked-by: Christian Brauner
> Signed-off-by: Kees Cook
> ---
Looks good!
Acked-by: Christian Brauner
On Sun, Sep 13, 2020 at 05:24:15AM -0400, Miaohe Lin wrote:
> Use helper function mapping_allow_writable() to atomic_inc i_mmap_writable.
>
> Signed-off-by: Miaohe Lin
> ---
Hey Miaohe,
Thanks for the patch!
Per se there's nothing against using a proper helper when it exists.
But it has
On Sat, Sep 12, 2020 at 04:08:10AM -0700, Kees Cook wrote:
> Remove the arm64 special-case in change_syscall().
>
> Signed-off-by: Kees Cook
> ---
We're using iovecs in ptrace()??
Looks good!
Acked-by: Christian Brauner
es-Coverity: ("Unused value")
> Signed-off-by: Colin Ian King
> ---
Thanks!
Acked-by: Christian Brauner
f-by: Kees Cook
> ---
> (This is going via the seccomp tree.)
> ---
Thanks!
Acked-by: Christian Brauner
> tools/testing/selftests/seccomp/seccomp_bpf.c | 43 ---
> 1 file changed, 37 insertions(+), 6 deletions(-)
>
> diff --git a/tools/testing/selftests/seccomp/seccom
On Mon, Sep 07, 2020 at 07:15:52AM -0700, Andy Lutomirski wrote:
>
>
> > On Sep 7, 2020, at 3:15 AM, Christian Brauner
> > wrote:
> >
> > On Fri, Sep 04, 2020 at 04:31:44PM -0400, Gabriel Krisman Bertazi wrote:
> >> Syscall User Dispatch (SUD) m
On Fri, Sep 04, 2020 at 04:31:39PM -0400, Gabriel Krisman Bertazi wrote:
> Convert TIF_SECCOMP into a generic TI flag for any syscall interception
> work being done by the kernel. The actual type of work is exposed by a
> new flag field outside of thread_info. This ensures that the
>
> +#include
>
> #define CREATE_TRACE_POINTS
> #include
> @@ -41,6 +42,20 @@ static inline void syscall_enter_audit(struct pt_regs
> *regs, long syscall)
> }
> }
>
> +static inline long do_syscall_intercept(struct pt_regs *regs)
Hey G
On Fri, Sep 04, 2020 at 04:31:44PM -0400, Gabriel Krisman Bertazi wrote:
> Syscall User Dispatch (SUD) must take precedence over seccomp, since the
> use case is emulation (it can be invoked with a different ABI) such that
> seccomp filtering by syscall number doesn't make sense in the first
>
Krisman Bertazi
> ---
Thanks!
Acked-by: Christian Brauner
On Sat, Sep 05, 2020 at 12:12:29AM +, Isaac J. Manjarres wrote:
> The per-cpu cached vmalloc'ed stacks are currently freed in the
> CPU hotplug teardown path by the free_vm_stack_cache() callback,
> which invokes vfree(), which may result in purging the list of
> lazily freed vmap areas.
>
>
On Thu, Sep 03, 2020 at 04:58:55PM -0700, Josh Triplett wrote:
> On Wed, Sep 02, 2020 at 12:21:26PM +0200, Christian Brauner wrote:
> > Hi,
> >
> > Passing a non-blocking pidfd to waitid() currently has no effect, i.e.
> > is not supported. There are users whi
On Thu, Sep 03, 2020 at 04:56:59PM -0700, Josh Triplett wrote:
> On Wed, Sep 02, 2020 at 12:21:28PM +0200, Christian Brauner wrote:
> > Passing a non-blocking pidfd to waitid() currently has no effect, i.e. is
> > not
> > supported. There are users which would like to u
On Thu, Sep 03, 2020 at 10:59:49AM -0700, Minchan Kim wrote:
> On Thu, Sep 03, 2020 at 07:34:58PM +0200, Florian Weimer wrote:
> > * Minchan Kim:
> >
> > > On Tue, Sep 01, 2020 at 08:46:02PM +0200, Florian Weimer wrote:
> > >> * Minchan Kim:
> > >>
> > >> > ssize_t process_madvise(int
On Thu, Sep 03, 2020 at 04:22:42PM +0200, Oleg Nesterov wrote:
> On 09/02, Christian Brauner wrote:
> >
> > It also makes the API more consistent and uniform. In essence, waitid() is
> > treated like a read on a non-blocking pidfd or a recvmsg() on a non-blocking
> > so
On Thu, Sep 03, 2020 at 04:58:09PM +0200, Oleg Nesterov wrote:
> Christian, off-topic question...
>
> On 09/02, Christian Brauner wrote:
> >
> > -static int pidfd_create(struct pid *pid)
> > +static int pidfd_create(struct pid *pid, unsigned int flags)
> >
e
> it.
>
> Reported-by: Kees Cook
> Reported-by: Christian Brauner
> Signed-off-by: Tycho Andersen
> ---
Thanks for the patch, Tycho! Looks simple enough to me:
Acked-by: Christian Brauner
> kernel/seccomp.c | 11 ---
> 1 file changed, 8 insertions(+), 3 de
On Wed, Sep 02, 2020 at 12:23:10PM +, Harley Paterson wrote:
> Most PID functions in `kernel/pid.c` are named in the format
> [do_something]_pid, and functions with a VPID counterpart have
> the corresponding name [do_something]_vpid.
>
> `find_get_pid` and its VPID counterpart, `find_ge_pid`
: 3 / 3 tests passed.
# Totals: pass:3 fail:0 xfail:0 xpass:0 skip:0 error:0
Cc: Shuah Khan
Cc: linux-kselft...@vger.kernel.org
Signed-off-by: Christian Brauner
---
/* v2 */
unchanged
---
tools/testing/selftests/pidfd/pidfd.h | 4 ++
tools/testing/selftests/pidfd/pidfd_wait.c | 83
All of the new pidfd selftests already use the new kselftest harness
infrastructure. It makes for clearer output, makes the code easier to
understand, and makes adding new tests way simpler.
Cc: Shuah Khan
Cc: linux-kselft...@vger.kernel.org
Signed-off-by: Christian Brauner
---
/* v2
lstra (Intel)"
Suggested-by: Josh Triplett
Signed-off-by: Christian Brauner
---
/* v2 */
- Oleg Nesterov :
- Remove the eagain_error and simple set to EAGAIN in kernel_waitid() if
pidfd is non-blocking and no child process has yet exited.
---
kernel/exit.c | 15 ---
1 fi
: Sargun Dhillon
Cc: Oleg Nesterov
Suggested-by: Josh Triplett
Signed-off-by: Christian Brauner
---
/* v2 */
- Christian Brauner :
- Improve commit message.
---
include/uapi/linux/pidfd.h | 12
kernel/pid.c | 12 +++-
2 files changed, 19 insertions(+), 5 deletions
!
Christian
[1]: https://lore.kernel.org/lkml/20200811181236.GA18763@localhost/
Christian Brauner (4):
pidfd: support PIDFD_NONBLOCK in pidfd_open()
exit: support non-blocking pidfds
tests: port pidfd_wait to kselftest harness
tests: add waitid() tests for non-blocking pidfds
include/uapi
he
> failure path when the filter is not attached, but it's a slow failure path
> anyway.
>
> Fixes: 51891498f2da ("seccomp: allow TSYNC and USER_NOTIF together")
> Reported-by: syzbot+3ad9614a12f80994c...@syzkaller.appspotmail.com
> Signed-off-by: Tycho Andersen
> --
ly
> > following the mm_update_next_owner pattern.
> > With the combination of (CLONE_VM && !CLONE_THREAD && !CLONE_VFORK) being
> > quite rare, the regression is gone after the change is applied.
> >
> > Fixes: 44a70adec910 ("mm, oom_adj: make sure processes sharing mm have same
> > view of oom_score_adj")
> > Reported-by: Tim Murray
> > Debugged-by: Minchan Kim
> > Suggested-by: Michal Hocko
> > Signed-off-by: Suren Baghdasaryan
>
> Acked-by: Michal Hocko
Acked-by: Christian Brauner
On Wed, Sep 02, 2020 at 01:34:59AM +, linmiaohe wrote:
> Christian Brauner wrote:
> >On Tue, Sep 01, 2020 at 06:39:05PM +0200, Oleg Nesterov wrote:
> >> On 09/01, Christian Brauner wrote:
> >> >
> >> > On Tue, Sep 01, 2020 at 07:58:00AM -0400, Miaoh
t; -M: Tycho Andersen
> +M: Tycho Andersen
Honestly, I'm just acking this because I truly belive we need more pizza
in the kernel:
Acked-by: Christian Brauner
Christian
On Tue, Sep 01, 2020 at 06:39:05PM +0200, Oleg Nesterov wrote:
> On 09/01, Christian Brauner wrote:
> >
> > On Tue, Sep 01, 2020 at 07:58:00AM -0400, Miaohe Lin wrote:
> > > No functional change intended.
> >
> > Hey Miaohe,
> >
> > Thank you f
On Tue, Sep 01, 2020 at 06:23:10PM +0200, Oleg Nesterov wrote:
> On 08/31, Christian Brauner wrote:
> >
> > --- /dev/null
> > +++ b/include/uapi/linux/pidfd.h
> > @@ -0,0 +1,12 @@
> > +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
>
On Tue, Sep 01, 2020 at 06:11:54PM +0200, Oleg Nesterov wrote:
> On 08/31, Christian Brauner wrote:
> >
> > --- a/kernel/exit.c
> > +++ b/kernel/exit.c
> > @@ -934,6 +934,7 @@ struct wait_opts {
> >
> > wait_queue_entry_t child_wait;
>
On Wed, Aug 26, 2020 at 11:35:20PM -0700, Lokesh Gidra wrote:
> From: Daniel Colascione
>
> This change adds a new function, anon_inode_getfd_secure, that creates
> anonymous-node file with individual non-S_PRIVATE inode to which security
> modules can apply policy. Existing callers continue
On Tue, Sep 01, 2020 at 07:58:00AM -0400, Miaohe Lin wrote:
> No functional change intended.
Hey Miaohe,
Thank you for the patch.
I'm sure this is well-intended but afaict the whole file has more or
less a consistent style already where e.g. sig-1 without spaces seems to
be preferred. The same
On Mon, Aug 31, 2020 at 07:14:59PM -0600, Tycho Andersen wrote:
> On Mon, Aug 31, 2020 at 06:09:15PM -0600, Tycho Andersen wrote:
> > On Mon, Aug 31, 2020 at 04:25:35PM -0700, Kees Cook wrote:
> > > On Sun, Aug 30, 2020 at 08:50:15PM -0700, syzbot wrote:
> > > > syzbot has found a reproducer for
: Thomas Gleixner
Cc: Ingo Molnar
Cc: Oleg Nesterov
Cc: "Peter Zijlstra (Intel)"
Suggested-by: Josh Triplett
Signed-off-by: Christian Brauner
---
kernel/exit.c | 19 ---
1 file changed, 16 insertions(+), 3 deletions(-)
diff --git a/kernel/exit.c b/kernel/exit.c
index 73
All of the new pidfd selftests already use the new kselftest harness
infrastructure. It makes for clearer output, makes the code easier to
understand, and makes adding new tests way simpler.
Cc: Shuah Khan
Cc: linux-kselft...@vger.kernel.org
Signed-off-by: Christian Brauner
---
tools/testing
: 3 / 3 tests passed.
# Totals: pass:3 fail:0 xfail:0 xpass:0 skip:0 error:0
Cc: Shuah Khan
Cc: linux-kselft...@vger.kernel.org
Signed-off-by: Christian Brauner
---
tools/testing/selftests/pidfd/pidfd.h | 4 ++
tools/testing/selftests/pidfd/pidfd_wait.c | 83
!
Christian
[1]: https://lore.kernel.org/lkml/20200811181236.GA18763@localhost/
Christian Brauner (4):
pidfd: support PIDFD_NONBLOCK in pidfd_open()
exit: support non-blocking pidfds
tests: port pidfd_wait to kselftest harness
tests: add waitid() tests for non-blocking pidfds
include/uapi
/joshtriplett/async-pidfd
Cc: Kees Cook
Cc: Sargun Dhillon
Cc: Oleg Nesterov
Suggested-by: Josh Triplett
Signed-off-by: Christian Brauner
---
include/uapi/linux/pidfd.h | 12
kernel/pid.c | 12 +++-
2 files changed, 19 insertions(+), 5 deletions(-)
create mode
r the
container.
The consensus seemed to have been to implement a first version of this and
do performance testing to see what the performance impact of this change
would be.
Aleksa Sarai and Christian Brauner stated they were interested in
taking on this work jointly.
3. Find a way
On Fri, Aug 28, 2020 at 8:24 PM Jens Axboe wrote:
>
> On 8/28/20 11:40 AM, Arnd Bergmann wrote:
> > On Mon, Jun 22, 2020 at 9:29 PM Minchan Kim wrote:
> >> So finally, the API is as follows,
> >>
> >> ssize_t process_madvise(int pidfd, const struct iovec *iovec,
> >>unsigned
On Tue, Aug 25, 2020 at 11:26:07AM -0500, Eric W. Biederman wrote:
>
> A) If we are going to have this discussion in public we really should
>include the containers list.
Ah, just used the output from get_maintainers.pl.
>
> B) The challenge is that most of the namespace work has become
and/or regular
expressions over time. For now these entries here are sufficient. I intend
to route this patch upstream soon.
Cc: "Eric W. Biederman"
Signed-off-by: Christian Brauner
---
/* v2 */
- fix file ordering (passes cleanly through checkpatch.pl now)
---
MAINTA
On Tue, Aug 25, 2020 at 09:01:01AM -0700, Joe Perches wrote:
> On Tue, 2020-08-25 at 17:41 +0200, Christian Brauner wrote:
> > Namespace maintainership has never been formalized which has led to
> > confusion
> > when people need to determine where to send patches and who sh
and/or regular expressions
over time. For now these entries here are sufficient. I intend to route this
patch upstream soon.
Cc: "Eric W. Biederman"
Signed-off-by: Christian Brauner
---
MAINTAINERS | 20
1 file changed, 20 insertions(+)
diff --git a/MAINTAINERS b/M
On Tue, Aug 25, 2020 at 07:24:34AM -0700, Suren Baghdasaryan wrote:
> On Tue, Aug 25, 2020 at 4:15 AM Christian Brauner
> wrote:
> >
> > On Mon, Aug 24, 2020 at 08:30:36AM -0700, Suren Baghdasaryan wrote:
> > > Currently __set_oom_adj loops through all processes
On Mon, Aug 24, 2020 at 08:30:36AM -0700, Suren Baghdasaryan wrote:
> Currently __set_oom_adj loops through all processes in the system to
> keep oom_score_adj and oom_score_adj_min in sync between processes
> sharing their mm. This is done for any task with more that one mm_users,
> which
On Thu, Aug 20, 2020 at 06:26:45PM +0200, Michal Hocko wrote:
> On Thu 20-08-20 08:56:53, Suren Baghdasaryan wrote:
> [...]
> > Catching up on the discussion which was going on while I was asleep...
> > So it sounds like there is a consensus that oom_adj should be moved to
> > mm_struct rather
On Thu, Aug 20, 2020 at 09:49:11AM -0500, Eric W. Biederman wrote:
> Tetsuo Handa writes:
>
> > On 2020/08/20 23:00, Christian Brauner wrote:
> >> On Thu, Aug 20, 2020 at 10:48:43PM +0900, Tetsuo Handa wrote:
> >>> On 2020/08/20 22:34, Christian Brauner wrote:
On Thu, Aug 20, 2020 at 10:48:43PM +0900, Tetsuo Handa wrote:
> On 2020/08/20 22:34, Christian Brauner wrote:
> > On Thu, Aug 20, 2020 at 03:26:31PM +0200, Michal Hocko wrote:
> >> If you can handle vfork by other means then I am all for it. There were
> >> no patches
On Thu, Aug 20, 2020 at 02:41:09PM +0200, Michal Hocko wrote:
> On Thu 20-08-20 13:42:56, Michal Hocko wrote:
> > On Thu 20-08-20 13:30:23, Christian Brauner wrote:
> [...]
> > > trying to rely on set_bit() and test_bit() in copy_mm() being atomic and
> > > then ca
On Thu, Aug 20, 2020 at 03:26:31PM +0200, Michal Hocko wrote:
> On Thu 20-08-20 07:54:44, Eric W. Biederman wrote:
> > ebied...@xmission.com (Eric W. Biederman) writes:
> >
> > 2> Michal Hocko writes:
> > >
> > >> On Thu 20-08-20 07:34:41, Eric W. Biederman wrote:
> > >>> Suren Baghdasaryan
On Thu, Aug 20, 2020 at 01:29:32PM +0200, Michal Hocko wrote:
> On Thu 20-08-20 13:13:55, Michal Hocko wrote:
> > On Thu 20-08-20 12:55:56, Oleg Nesterov wrote:
> > > On 08/19, Suren Baghdasaryan wrote:
> > > >
> > > > Since the combination of CLONE_VM and !CLONE_SIGHAND is rarely
> > > > used the
On Thu, Aug 20, 2020 at 01:13:49PM +0200, Michal Hocko wrote:
> On Thu 20-08-20 12:55:56, Oleg Nesterov wrote:
> > On 08/19, Suren Baghdasaryan wrote:
> > >
> > > Since the combination of CLONE_VM and !CLONE_SIGHAND is rarely
> > > used the additional mutex lock in that path of the clone() syscall
On Thu, Aug 20, 2020 at 11:09:01AM +0200, Michal Hocko wrote:
> On Thu 20-08-20 10:46:54, Christian Brauner wrote:
> > On Wed, Aug 19, 2020 at 05:20:53PM -0700, Suren Baghdasaryan wrote:
> > > Currently __set_oom_adj loops through all processes in the system to
> &
On Wed, Aug 19, 2020 at 05:20:53PM -0700, Suren Baghdasaryan wrote:
> Currently __set_oom_adj loops through all processes in the system to
> keep oom_score_adj and oom_score_adj_min in sync between processes
> sharing their mm. This is done for any task with more that one mm_users,
> which
On Wed, Aug 19, 2020 at 08:32:59AM -0500, Eric W. Biederman wrote:
> Matthew Wilcox writes:
>
> > On Wed, Aug 19, 2020 at 10:45:56AM +0200, Christian Brauner wrote:
> >> On Wed, Aug 19, 2020 at 09:43:40AM +0200, pet...@infradead.org wrote:
> >> > On Tue, Aug 18,
() completely and will only be left with kernel_clone().
[1]: 9ba27414f2ec ("Merge tag 'fork-v5.9' of
git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux")
Cc: Thomas Gleixner
Cc: Ingo Molnar
Cc: Matthew Wilcox (Oracle)
Cc: "Peter Zijlstra (Intel)"
Signed-off-by: Christia
The old _do_fork() helper is removed in favor of the new kernel_clone() helper.
The latter adheres to naming conventions for kernel internal syscall helpers.
Cc: Tony Luck
Cc: Fenghua Yu
Cc: linux-i...@vger.kernel.org
Signed-off-by: Christian Brauner
---
/* v2 */
unchanged
---
arch/ia64
The old _do_fork() helper is removed in favor of the new kernel_clone() helper.
The latter adheres to naming conventions for kernel internal syscall helpers.
Cc: Ley Foon Tan
Signed-off-by: Christian Brauner
---
/* v2 */
unchanged
---
arch/nios2/kernel/process.c | 2 +-
1 file changed, 1
The old _do_fork() helper is removed in favor of the new kernel_clone() helper.
The latter adheres to naming conventions for kernel internal syscall helpers.
Acked-by: Geert Uytterhoeven
Cc: Kars de Jong
Cc: linux-m...@lists.linux-m68k.org
Signed-off-by: Christian Brauner
---
/* v2
Now that all callers of _do_fork() have been switched to kernel_clone() remove
the _do_fork() helper.
Signed-off-by: Christian Brauner
---
/* v2 */
unchanged
---
include/linux/sched/task.h | 4
1 file changed, 4 deletions(-)
diff --git a/include/linux/sched/task.h b/include/linux/sched
The old _do_fork() helper is removed in favor of the new kernel_clone() helper.
The latter adheres to naming conventions for kernel internal syscall helpers.
Cc: "David S. Miller"
Cc: sparcli...@vger.kernel.org
Signed-off-by: Christian Brauner
---
/* v2 */
unchanged
---
arch/sp
The old _do_fork() helper is removed in favor of the new kernel_clone() helper.
The latter adheres to naming conventions for kernel internal syscall helpers.
Cc: Thomas Gleixner
Cc: Ingo Molnar
Cc: Borislav Petkov
Cc: x...@kernel.org
Signed-off-by: Christian Brauner
---
/* v2 */
unchanged
...@lists.sourceforge.net
Signed-off-by: Christian Brauner
---
/* v2 */
unchanged
---
drivers/misc/kgdbts.c | 48 +--
1 file changed, 24 insertions(+), 24 deletions(-)
diff --git a/drivers/misc/kgdbts.c b/drivers/misc/kgdbts.c
index d5d2af4d10e6..945701bce553 100644
Molnar
Cc: Steven Rostedt
Cc: Xiao Yang
Cc: Tom Zanussi
Cc: linux-...@vger.kernel.org
Cc: linux-kselft...@vger.kernel.org
Signed-off-by: Christian Brauner
---
/* v2 */
unchanged
---
Documentation/trace/histogram.rst | 4 ++--
samples/kprobes/kretprobe_example.c
The old _do_fork() helper is removed in favor of the new kernel_clone() helper.
The latter adheres to naming conventions for kernel internal syscall helpers.
Cc: Mauro Carvalho Chehab
Cc: Alexandre Chartre
Cc: Jonathan Corbet
Cc: Masami Hiramatsu
Signed-off-by: Christian Brauner
---
/* v2
a full git rebase v5.9-rc1 -x "make
-j31". There were no built failures and the changes were fairly
mechanical.
The only helpers we have left now are kernel_thread() and kernel_clone()
where kernel_thread() just calls kernel_clone().
Thanks!
Christian
Christian Brauner (11):
fork:
The old _do_fork() helper is removed in favor of the new kernel_clone() helper.
The latter adheres to naming conventions for kernel internal syscall helpers.
Cc: Greentime Hu
Cc: Yoshinori Sato
Cc: uclinux-h8-de...@lists.sourceforge.jp
Signed-off-by: Christian Brauner
---
/* v2 */
unchanged
On Wed, Aug 19, 2020 at 09:43:40AM +0200, pet...@infradead.org wrote:
> On Tue, Aug 18, 2020 at 06:44:47PM +0100, Matthew Wilcox wrote:
> > On Tue, Aug 18, 2020 at 07:34:00PM +0200, Christian Brauner wrote:
> > > The only remaining function callable outside of kernel/fork.c
On Tue, Aug 18, 2020 at 06:44:47PM +0100, Matthew Wilcox wrote:
> On Tue, Aug 18, 2020 at 07:34:00PM +0200, Christian Brauner wrote:
> > The only remaining function callable outside of kernel/fork.c is
> > _do_fork(). It doesn't really follow the naming of kernel-internal
>
The old _do_fork() helper is removed in favor of the new kernel_clone() helper.
The latter adheres to naming conventions for kernel internal syscall helpers.
Cc: Kars de Jong
Cc: Geert Uytterhoeven
Cc: linux-m...@lists.linux-m68k.org
Signed-off-by: Christian Brauner
---
arch/m68k/kernel
nel_thread() and kernel_clone()
where kernel_thread() just calls kernel_clone().
Thanks!
Christian
Christian Brauner (11):
fork: introduce kernel_clone()
h8300: switch to kernel_clone()
ia64: switch to kernel_clone()
m68k: switch to kernel_clone()
nios2: switch to kernel_clone()
sparc: switch to ke
The old _do_fork() helper is removed in favor of the new kernel_clone() helper.
The latter adheres to naming conventions for kernel internal syscall helpers.
Cc: Greentime Hu
Cc: Yoshinori Sato
Cc: uclinux-h8-de...@lists.sourceforge.jp
Signed-off-by: Christian Brauner
---
arch/h8300/kernel
The old _do_fork() helper is removed in favor of the new kernel_clone() helper.
The latter adheres to naming conventions for kernel internal syscall helpers.
Cc: Mauro Carvalho Chehab
Cc: Alexandre Chartre
Cc: Jonathan Corbet
Cc: Masami Hiramatsu
Signed-off-by: Christian Brauner
---
samples
Now that all callers of _do_fork() have been switched to kernel_clone() remove
the _do_fork() helper.
Signed-off-by: Christian Brauner
---
include/linux/sched/task.h | 4
1 file changed, 4 deletions(-)
diff --git a/include/linux/sched/task.h b/include/linux/sched/task.h
index d9ef07359c96
...@lists.sourceforge.net
Signed-off-by: Christian Brauner
---
drivers/misc/kgdbts.c | 48 +--
1 file changed, 24 insertions(+), 24 deletions(-)
diff --git a/drivers/misc/kgdbts.c b/drivers/misc/kgdbts.c
index d5d2af4d10e6..945701bce553 100644
--- a/drivers/misc/kgdbts.c
+++ b
Molnar
Cc: Steven Rostedt
Cc: Xiao Yang
Cc: Tom Zanussi
Cc: linux-...@vger.kernel.org
Cc: linux-kselft...@vger.kernel.org
Signed-off-by: Christian Brauner
---
Documentation/trace/histogram.rst | 4 ++--
samples/kprobes/kretprobe_example.c| 4 ++--
.../ftrace
The old _do_fork() helper is removed in favor of the new kernel_clone() helper.
The latter adheres to naming conventions for kernel internal syscall helpers.
Cc: Ley Foon Tan
Signed-off-by: Christian Brauner
---
arch/nios2/kernel/process.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion
remove _do_fork() completely and will only be left with kernel_clone().
[1]: 9ba27414f2ec ("Merge tag 'fork-v5.9' of
git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux")
Cc: Thomas Gleixner
Cc: Ingo Molnar
Cc: "Peter Zijlstra (Intel)"
Signed-off-by: Christian Brauner
The old _do_fork() helper is removed in favor of the new kernel_clone() helper.
The latter adheres to naming conventions for kernel internal syscall helpers.
Cc: "David S. Miller"
Cc: sparcli...@vger.kernel.org
Signed-off-by: Christian Brauner
---
arch/sparc/kernel/process.c | 6 +++-
The old _do_fork() helper is removed in favor of the new kernel_clone() helper.
The latter adheres to naming conventions for kernel internal syscall helpers.
Cc: Thomas Gleixner
Cc: Ingo Molnar
Cc: Borislav Petkov
Cc: x...@kernel.org
Signed-off-by: Christian Brauner
---
arch/x86/kernel
The old _do_fork() helper is removed in favor of the new kernel_clone() helper.
The latter adheres to naming conventions for kernel internal syscall helpers.
Cc: Tony Luck
Cc: Fenghua Yu
Cc: linux-i...@vger.kernel.org
Signed-off-by: Christian Brauner
---
arch/ia64/kernel/process.c | 4 ++--
1
On Tue, Aug 18, 2020 at 05:20:07PM +0200, krzysztof.struczyn...@huawei.com
wrote:
> From: Krzysztof Struczynski
>
> IMA has not been designed to work with containers. It handles every
> process in the same way, and it cannot distinguish if a process belongs to
> a container or not.
>
>
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