On Tue, 2008-07-01 at 16:23 +1000, Benjamin Herrenschmidt wrote: > On Tue, 2008-07-01 at 00:32 -0500, Kumar Gala wrote: > > To allow for a single kernel image on e500 v1/v2/mc we need to fixup lwsync > > at runtime. On e500v1/v2 lwsync causes an illop so we need to patch up > > the code. We default to 'sync' since that is always safe and if the cpu > > is capable we will replace 'sync' with 'lwsync'. > > > > We introduce CPU_FTR_LWSYNC as a way to determine at runtime if this is > > needed. This flag could be moved elsewhere since we dont really use it > > for the normal CPU_FTR purpose. > > > > Finally we only store the relative offset in the fixup section to keep it > > as small as possible rather than using a full fixup_entry. > > > > Signed-off-by: Kumar Gala <[EMAIL PROTECTED]> > > I'd rather have some more generic "alternatives" stuff but in the > meantime, Ack.
Hrm... minus mpe's comments... Cheers, Ben. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev