Re: [PATCH v2 1/2] crypto: vmx: Turn CRYPTO_DEV_VMX_ENCRYPT into tristate

2022-02-16 Thread Nicolai Stange
Hi Petr, Petr Vorel writes: > and remove CRYPTO_DEV_VMX, which looked redundant when only > CRYPTO_DEV_VMX_ENCRYPT used it. Also it forces CRYPTO_GHASH to be > builtin even CRYPTO_DEV_VMX_ENCRYPT was configured as module. I'm confused by the description. CRYPTO_DEV_VMX_ENCRYPT has been a

Re: ppc64 early slub caches have zero random value

2020-04-21 Thread Nicolai Stange
Hi [adding some drivers/char/random folks + LKML to CC] Vlastimil Babka writes: > On 4/17/20 6:53 PM, Michal Suchánek wrote: >> Hello, > > Hi, thanks for reproducing on latest upstream! > >> instrumenting the kernel with the following patch >> >> --- >> mm/slub.c | 1 + >> 1 file changed, 1

Re: [PATCH 1/4] powerpc/64s: Clear on-stack exception marker upon exception return

2019-01-30 Thread Nicolai Stange
Michael Ellerman writes: > Joe Lawrence writes: >> From: Nicolai Stange >> >> The ppc64 specific implementation of the reliable stacktracer, >> save_stack_trace_tsk_reliable(), bails out and reports an "unreliable >> trace" whenever it finds an

Re: ppc64le reliable stack unwinder and scheduled tasks

2019-01-13 Thread Nicolai Stange
Joe Lawrence writes: > On Fri, Jan 11, 2019 at 08:51:54AM +0100, Nicolai Stange wrote: >> Joe Lawrence writes: >> >> > On Fri, Jan 11, 2019 at 01:00:38AM +0100, Nicolai Stange wrote: > > [ ... snip ... ] > >> >> For testing, could you try wh

Re: ppc64le reliable stack unwinder and scheduled tasks

2019-01-10 Thread Nicolai Stange
Joe Lawrence writes: > On Fri, Jan 11, 2019 at 01:00:38AM +0100, Nicolai Stange wrote: >> Hi Joe, >> >> Joe Lawrence writes: >> >> > tl;dr: On ppc64le, what is top-most stack frame for scheduled tasks >> >about? >> >> If I'm

Re: ppc64le reliable stack unwinder and scheduled tasks

2019-01-10 Thread Nicolai Stange
Hi Joe, Joe Lawrence writes: > tl;dr: On ppc64le, what is top-most stack frame for scheduled tasks >about? If I'm reading the code in _switch() correctly, the first frame is completely uninitialized except for the pointer back to the caller's stack frame. For completeness: _switch()

[PATCH] powerpc/time: set ->min_delta_ticks and ->max_delta_ticks

2017-03-30 Thread Nicolai Stange
hanged, a followup patch will purge the initialization of ->min_delta_ns and ->max_delta_ns from this driver. Signed-off-by: Nicolai Stange <nicsta...@gmail.com> --- Notes: This prerequisite patch is part of a larger effort to feed NTP corrections into the clockevent devices' fre