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Re: PATCH: Always use ll/sc for mips
On Tue, Jul 16, 2002 at 05:22:36PM +0200, Maciej W. Rozycki wrote:
> On 15 Jul 2002, Ulrich Drepper wrote:
>
> > > The ll/sc emulation is implemented in 2.4.0 and above. This patch makes
> > > glibc always use ll/sc.
> >
> > Since I haven't seen any objections I've checked this patch in.
>
> [I must have missed the original mail, sorry.]
>
> It sucks performance-wise with no visible gain, so I don't think it is
> really desireable. Since the no-ll/sc case is handled correctly, I see no
Only <sys/tas.h> is covered by the kernel interface. But it doesn't
cover atomicity.h in glibc and libstdc++.
> reason to remove the code. The kernel interface is awkward, I admit, but
> it works (and is even handcoded in assembly for performance gain) and we
> may able to develop a better one eventually.
>
H.J.