Re: [PATCH v3 0/3] admin-guide: extend perf-security with resource control, data categories and privileged users

2019-02-18 Thread Alexey Budankov
On 18.02.2019 2:14, Jonathan Corbet wrote: > On Mon, 11 Feb 2019 16:32:33 +0300 > Alexey Budankov wrote: > >> The patch set extends the first version of perf-security.rst documentation >> file [1], [2], [3] with the following topics: >> >> 1) perf_events/Perf resource limits and control managem

Re: [RFC v7 2/5] dt-bindings: pstore-block: new support for blkoops

2019-02-18 Thread Rob Herring
On Thu, Feb 14, 2019 at 7:06 PM liaoweixiong wrote: > > On 2019-02-14 04:30, Rob Herring wrote: > > On Wed, Feb 13, 2019 at 7:51 AM liaoweixiong > > wrote: > >> > >> > >> On 2019-01-31 00:07, Rob Herring wrote:> On Wed, Jan 23, 2019 at > >> 08:05:13PM +0800, liaoweixiong wrote: > Create DT b

[PATCH v11] dm: add support to directly boot to a mapped device

2019-02-18 Thread Helen Koike
Add a dm-mod.create= kernel module parameter. It allows device-mapper targets to be configured at boot time for use early in the boot process (as the root device or otherwise). Signed-off-by: Will Drewry Signed-off-by: Kees Cook [rework to use dm_ioctl calls] Signed-off-by: Enric Balletbo i Serr

[PATCH] linux/kernel.h: fix reST markup warning for roundup

2019-02-18 Thread Randy Dunlap
-next-20190218.orig/include/linux/kernel.h +++ linux-next-20190218/include/linux/kernel.h @@ -108,7 +108,7 @@ * Rounds @x up to next multiple of @y. If @y will always be a power * of 2, consider using the faster round_up(). * - * The `const' here prevents gcc-3.3 from calling __divdi3 +

[PATCH 04/11] cpu topology: export die_id

2019-02-18 Thread Len Brown
Export die_id in cpu topology, for the benefit of hardware that has multiple die per package. die_id is quite similar to core_id, in that it holds multiple CPUs, but is inside a package. This needed by topology-aware user-space. In particular, an application, such as turbostat(8), which needs to

[PATCH 01/11] x86 topology: fix doc typo

2019-02-18 Thread Len Brown
reflect actual cpuinfo_x86 field name: s/logical_id/logical_proc_id/ Signed-off-by: Len Brown Cc: linux-doc@vger.kernel.org Signed-off-by: Len Brown --- Documentation/x86/topology.txt | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Documentation/x86/topology.txt b/Documenta

[PATCH 05/11] x86 topology: export die_siblings

2019-02-18 Thread Len Brown
like core_siblings, except it shows which die are in the same package. This is needed for lscpu(1) to correctly display die topology. Signed-off-by: Len Brown Cc: linux-doc@vger.kernel.org Signed-off-by: Len Brown --- Documentation/cputopology.txt | 10 ++ arch/x86/include/asm/smp.h

[PATCH 03/11] x86 topology: Add CPUID.1F multi-die/package support

2019-02-18 Thread Len Brown
Some new systems have multiple software-visible die within each package. The new CPUID.1F leaf can enumerate this multi-die/package topology. CPUID.1F a super-set of the CPUID.B "Extended Toplogy Leaf", and a common updated routine can parse either leaf. Legacy systems without CPUID.1F, and syste

[PATCH 02/11] topolgy: simplify cputopology.txt formatting and wording

2019-02-18 Thread Len Brown
No semantic changes. Signed-off-by: Len Brown Cc: linux-doc@vger.kernel.org Signed-off-by: Len Brown --- Documentation/cputopology.txt | 34 +- 1 file changed, 17 insertions(+), 17 deletions(-) diff --git a/Documentation/cputopology.txt b/Documentation/cputopolo

Re: [PATCH v2 1/2] Provide in-kernel headers for making it easy to extend the kernel

2019-02-18 Thread Masahiro Yamada
On Fri, Feb 15, 2019 at 11:48 PM Alexei Starovoitov wrote: > > On Mon, Feb 11, 2019 at 09:35:59AM -0500, Joel Fernandes (Google) wrote: > > Introduce in-kernel headers and other artifacts which are made available > > as an archive through proc (/proc/kheaders.txz file). The extension '.txz' is n

Re: [PATCH] linux/kernel.h: fix reST markup warning for roundup

2019-02-18 Thread Matthew Wilcox
On Mon, Feb 18, 2019 at 04:34:26PM -0800, Randy Dunlap wrote: > - * The `const' here prevents gcc-3.3 from calling __divdi3 > + * The ``const`` here prevents gcc-3.3 from calling __divdi3 Probably time to remove this hack ... willy@bobo:~/kernel/idrext$ grep gcc Documentation/Changes GNU C

Re: [PATCH v2 1/2] Provide in-kernel headers for making it easy to extend the kernel

2019-02-18 Thread Alexei Starovoitov
On Tue, Feb 19, 2019 at 01:14:11PM +0900, Masahiro Yamada wrote: > > I was able to compile it in-tree > but it makes the incremental build extremely slow. > > (Here, the incremental build means > "make" without changing any code after the full build.) > > Before this patch, "make -j8" took 11 se

Re: [PATCH v2 1/2] Provide in-kernel headers for making it easy to extend the kernel

2019-02-18 Thread Joel Fernandes
On Tue, Feb 19, 2019 at 01:14:11PM +0900, Masahiro Yamada wrote: > On Fri, Feb 15, 2019 at 11:48 PM Alexei Starovoitov > wrote: > > > > On Mon, Feb 11, 2019 at 09:35:59AM -0500, Joel Fernandes (Google) wrote: > > > Introduce in-kernel headers and other artifacts which are made available > > > as a

Re: [PATCH v2 1/2] Provide in-kernel headers for making it easy to extend the kernel

2019-02-18 Thread Masahiro Yamada
On Tue, Feb 19, 2019 at 1:14 PM Masahiro Yamada wrote: > > On Fri, Feb 15, 2019 at 11:48 PM Alexei Starovoitov > wrote: > > > > On Mon, Feb 11, 2019 at 09:35:59AM -0500, Joel Fernandes (Google) wrote: > > > Introduce in-kernel headers and other artifacts which are made available > > > as an archi

Re: [PATCH v2 1/2] Provide in-kernel headers for making it easy to extend the kernel

2019-02-18 Thread Joel Fernandes
On Tue, Feb 19, 2019 at 01:42:13PM +0900, Masahiro Yamada wrote: [..] > > > > This archive makes > > > > it possible to build kernel modules, run eBPF programs, and other > > > > tracing programs that need to extend the kernel for tracing purposes > > > > without any dependency on the file system h