Re: Driver structures & alignment

[Warner Losh]

In message <[EMAIL PROTECTED]> "David O'Brien" writes:
: It is best to order this from largest to smallest size if you are worried
: about alignment holes, etc.
: 
:       int64_t d; /* 8-byte boundary */
:       int32_t c; /* 4-byte boundary */
:       int32_t f; /* 4-byte boundary */
:       int16_t a;
:       int16_t b;
:       int8_t  e[4];

unfortunately, there are many device structures that are passed around 
via DMA and hte like that don't let you do this...

Warner

To Unsubscribe: send mail to [EMAIL PROTECTED]
with "unsubscribe freebsd-hackers" in the body of the message