David Brownell wrote:
On Tuesday 13 December 2005 2:15 pm, Vitaly Wool wrote:
Take for instance spi_w8r8 function used in lotsa places in the drivers
you and Stephen have posted.
This function has a) *implicit memcpy* inherited from
spi_write_then_read b) *implicit priority inversion* inherited from the
same place.
No, (a) is explicit, along with comments not to use that family of
calls when such things matter more than the convenience of those
RPC-ish calls. And (b) was fixed a small patch, now merged.
Hmm. Why not use a) when it's convenient? You're placing an artificial
requirement then.
Yep, saw patch for b). One more kmalloc introduces which can be avoided
easily with my patch ;)
Vitaly
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