On May 13, 2008, at 2:33 PM, Roland McGrath wrote:
So it looks like we need to define a new feature bit to mean
"supports
block-step". Is this something that userspace will expect to be told
about via the AT_HWCAP entry in the aux vector?
I don't care to have userland know about it. I'm just concerned
with the
arch_has_block_step() definition being right. But, you did
previously tell
me that userland can set its own MSR_SE via sigreturn or setcontext or
something. If it can set its own MSR_BE the same way, then perhaps
userland wants to know.
Did we close on this, I'm going to test Roland's patch on book-e and
will post results.
- k
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