Re: [PATCH] fs/proc: Expose RSEQ configuration

[Piotr Figiel]

On Thu, Jan 14, 2021 at 12:32:30AM +0300, Alexey Dobriyan wrote:
> On Wed, Jan 13, 2021 at 06:41:27PM +0100, Piotr Figiel wrote:
> > For userspace checkpoint and restore (C/R) some way of getting process
> > state containing RSEQ configuration is needed.
> > +	seq_printf(m, "0x%llx 0x%x\n", (uint64_t)task->rseq, task->rseq_sig);
> %llx is too much on 32-bit. "%tx %x" is better (or even %08x)

Hi, many thanks for the suggestion. I applied this on v2,
https://lore.kernel.org/linux-fsdevel/20210114185445.996-1-figiel@xxxxxxxxxx
I had to cast it via uintptr_t to cast-away the user address space
without warnings. Could you please take a look?

Best regards, Piotr.