Messages in this thread | | | Date | Thu, 14 Jan 2021 20:20:07 +0100 | From | Piotr Figiel <> | Subject | Re: [PATCH] fs/proc: Expose RSEQ configuration |
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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@google.com 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.
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