On Mon, Aug 01, 2005 at 01:24:04PM +0100, Catalin Marinas wrote: > "David S. Miller" <[EMAIL PROTECTED]> wrote: > > From: Russell King <[EMAIL PROTECTED]> > > Date: Fri, 29 Jul 2005 16:13:43 +0100 > > > >> My current patch to get this working is below. The only thing which > >> really seems to fix the issue is the __flush_dcache_page call in > >> read_pages() - if I remove this, I get spurious segfaults and illegal > >> instruction faults. > > > > If one cpu stores, does it get picked up in the other cpu's I-cache? > > It only gets picked up by the other CPU's D-cache (which is fully > coherent between cores). The I-cache needs to be invalidated on each > CPU.
Are you sure about this requirement? I see no evidence of it in Harry's patch set. -- Russell King Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/ maintainer of: 2.6 Serial core - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
