Re: [RFC] x86: xsave/xrstor support, ucontext_t extensions

From: H. Peter Anvin
Date: Thu May 22 2008 - 03:27:02 EST

Roland McGrath wrote:
Yes, but I suspect for legacy apps running without vDSO might matter.

"Legacy" apps want to be changed to make a new kind of kernel query
and care about new details of signal frame layout for new features
they never used before, but don't want to handle the vDSO?

I'm talking mostly about semi-embedded ISVs that have managed to get themselves funny ideas about what they don't want to change. The vDSO definitely involves more machinery to get to.

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at