[PATCH v7 0/9] ARM: VDSO

Russell King - ARM Linux linux at arm.linux.org.uk
Fri Jun 27 02:46:48 PDT 2014

On Fri, Jun 27, 2014 at 11:41:46AM +0200, Ard Biesheuvel wrote:
> It appears that the EF_ARM_ABI_FLOAT_[SOFT|HARD] defines are just renames of
> #define EF_ARM_SOFT_FLOAT       0x200
> #define EF_ARM_VFP_FLOAT        0x400
> so perhaps use those instead?

Or maybe provide our own definitions so we're not reliant on the host
environment providing the correct definitions for these.

> > This is what really concerns me about the VDSO.  It adds an additional
> > dependence on the C library in order to build the kernel.  What if you
> > don't have a C library in your cross-build setup (I don't.)
> >
> This is a host tool, so this is about the host libc not the target libc.

It still sounds pretty fragile.

FTTC broadband for 0.8mile line: now at 9.7Mbps down 460kbps up... slowly
improving, and getting towards what was expected from it.

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