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Re: [Qemu-devel] [Qemu-trivial] [PATCH v2] hw/timer/grlib_gptimer: Avoid
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From: |
Michael Tokarev |
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Subject: |
Re: [Qemu-devel] [Qemu-trivial] [PATCH v2] hw/timer/grlib_gptimer: Avoid integer overflows |
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Date: |
Fri, 14 Mar 2014 20:13:54 +0400 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20131103 Icedove/17.0.10 |
16.02.2014 15:12, Sebastian Huber wrote:
> The GPTIMER uses 32-bit registers. Use a 64-bit operation to get the
> ptimer count, otherwise we end up with a count of 0 for GPTIMER counter
> values of 0xffffffff.
>
> Use the GPTIMER counter value for tracing to avoid an overflow of the
> 32-bit value passed to trace_grlib_gptimer_enable().
Thanks, applied to the trivial patches queue.
Somehow this was quite a bit difficult for me to understand what's going
on. Once I did, things are really trivial indeed.
/mjt