> On Nov 10, 2015, at 1:01 AM, Andrei Borzenkov <arvidj...@gmail.com> wrote:
> 
> On Tue, Oct 27, 2015 at 1:02 AM, Vladimir 'φ-coder/phcoder' Serbinenko
> <phco...@gmail.com> wrote:
>> On 26.10.2015 22:43, Eric Snowberg wrote:
>>> Within commit: 87ec3b7fa9061f470616ed927fc140e995831c00 - "Don't continue
>>> to query block-size if disk doesn't have it.”  Disks that returned 0 to the
>>> block-size query, still get queried every time.
>>> 
>>> Fix logic in grub_ofdisk_get_block_size so the block size is not requested
>>> upon each open since it will not change.
>>> 
>> Is it true for removable disks as well? What about someone unplugging
>> USB stick and plugging-in 4K USB HDD?
> 
> Does OBP alone have hotplug support until OS is running?

AFAIK, SPARC OBP does not have hot plug support.
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