Hi Tejun,
On Sat, Mar 5, 2016 at 10:50 PM, Parav Pandit wrote:
> Hi Tejun,
>
> On Sat, Mar 5, 2016 at 6:22 PM, Tejun Heo wrote:
>> Hello, Parav.
>>
>> On Sat, Mar 05, 2016 at 04:45:09PM +0530, Parav Pandit wrote:
>>> Design that remains same from v6 to v10.
>>> * spin lock is still fine graine
This patch implements a proxy driver for supporting multiple emulated TPMs
in a system.
The driver implements a device /dev/vtpmx that is used to created
a client device pair /dev/tpmX (e.g., /dev/tpm10) and a server side that
is accessed using a file descriptor returned by an ioctl.
The device /d
Add the retrieval of TPM 1.2 durations and timeouts. Since this requires
the startup of the TPM, do this for TPM 1.2 and TPM 2.
Signed-off-by: Stefan Berger
CC: linux-ker...@vger.kernel.org
CC: linux-doc@vger.kernel.org
CC: linux-...@vger.kernel.org
---
drivers/char/tpm/tpm_vtpm_proxy.c | 95 +++
Add documentation for the tpm_vtpm device driver that implements
support for providing TPM functionality to Linux containers.
Parts of this documentation were recycled from the Xen vTPM
device driver documentation.
Update the documentation for the ioctl numbers.
Signed-off-by: Stefan Berger
CC:
Here is a respin of the task-isolation patch set, folding in
comments from Frederic Weisbecker, Will Deacon, Andy Lutomirski,
Kees Cook and others.
Changes since v10:
- In the API, I added a new PR_TASK_ISOLATION_ONE_SHOT flag to
implement the semantics that Frederic had requested. It remains
With task_isolation mode, the task is in principle guaranteed not to
be interrupted by the kernel, but only if it behaves. In particular,
if it enters the kernel via system call, page fault, or any of a
number of other synchronous traps, it may be unexpectedly exposed
to long latencies. Add a sim
This option, similar to NO_HZ_FULL_ALL, simplifies configuring
a system to boot by default with all cores except the boot core
running in task isolation mode.
Signed-off-by: Chris Metcalf
---
init/Kconfig | 10 ++
kernel/isolation.c | 6 ++
2 files changed, 16 insertions(+)
d
The existing nohz_full mode is designed as a "soft" isolation mode
that makes tradeoffs to minimize userspace interruptions while
still attempting to avoid overheads in the kernel entry/exit path,
to provide 100% kernel semantics, etc.
However, some applications require a "hard" commitment from th
When this flag is set by the initial prctl(), the semantics of task
isolation change to be "one-shot", i.e. as soon as the kernel is
re-entered for any reason, task isolation is turned off.
During application development, use of this flag is best coupled with
STRICT mode, since otherwise any bug (
The new "task_isolation_debug" flag simplifies debugging
of TASK_ISOLATION kernels when processes are running in
PR_TASK_ISOLATION_ENABLE mode. Such processes should get no
interrupts from the kernel, and if they do, we notify either the
process (if STRICT mode is set and the interrupt is not an N
Am 10.03.2016 um 17:41 schrieb i...@linux-pingi.de:
> Am 10.03.2016 um 13:58 schrieb Paul Bolle:
>> On do, 2016-03-10 at 11:53 +0100, i...@linux-pingi.de wrote:
>>> mISDN with CAPI support works just fine with pppd and pppdcapiplugin
>>> and the CAPI works for all mISDN HW.
>>
>> In the mainline tr
On Thu, Mar 10, 2016 at 12:32:15PM -0500, Stefan Berger wrote:
> On 03/10/2016 11:39 AM, Jarkko Sakkinen wrote:
> >+/* above flags */
> >+#define VTPM_FLAG_TPM2 1 /* emulator is TPM 2 */
> >+
> >+/* all supported flags */
> >+#define VTPM_FLAGS_ALL (VTPM_FLAG_TPM2)
> >+
> >+#define VTPM
On Thu, Mar 10, 2016 at 12:30:44PM -0500, Stefan Berger wrote:
> > Some might want to use this in a way that the created virtual device
> > is not closed when /dev/vtpmx is closed.
>
> I don't see that happening. If you want the device pair to stay around after
> an application terminates, you hav
On 10.03.2016 01:48, SeongJae Park wrote:
This patchset aims to add Korean translation of memory-barriers document.
The patchset starts from fixing minor and trivial problems in the original
document that found during translation. After that, the final patch adds the
Korean translation of the
On Thu, Mar 10, 2016 at 09:55:25PM -0700, Jonathan Corbet wrote:
> Not on kernel.org. From MAINTAINERS:
>
> T: git git://git.lwn.net/linux.git docs-next
Allright thanks :)
--
Philippe Loctaux
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