Re: x86-64: memset()/memcpy() not fully standards compliant

From: Valdis . Kletnieks
Date: Fri Jan 06 2012 - 15:42:37 EST


On Thu, 05 Jan 2012 14:04:30 GMT, Jan Beulich said:
> Forever these two functions have been limited to deal with at most 4G
> at a time. While I cannot point out an in-tree user that would require
> larger sizes, it is now the second time that within our Xen kernel we got
> bitten by that limitation.

Wow. Second time? What the heck is the Xen kernel *doing* that it's
trying to do over 4G in a single memset/memcpy?

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