> -----Original Message----- > From: Scott Wood [mailto:scottw...@freescale.com] > Sent: Monday, April 06, 2009 8:27 PM > To: Fredrik Arnerup > Cc: linuxppc-dev@ozlabs.org > Subject: Re: Recap: Kernel oops while duming user core. > > On Mon, Apr 06, 2009 at 05:23:12PM +0200, Fredrik Arnerup wrote: > > Was the kernel oops when dumping core ever resolved? > > (http://ozlabs.org/pipermail/linuxppc-dev/2008-February/051080.html, quoted > > below) > > What was the cause? Is there a patch? A bug tracker ticket? > > It was fixed here: > http://ozlabs.org/pipermail/linuxppc-dev/2008-February/051350.html > > > Using ELDK here, so still running 2.6.24 ... > > Please consider upgrading. > > -Scott
Thanks! Works with the ppc arch too. /Fredrik --- a/arch/ppc/mm/init.c +++ b/arch/ppc/mm/init.c @@ -483,7 +483,12 @@ void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, */ _tlbie(address, 0 /* 8xx doesn't care about PID */); #endif - if (!PageReserved(page) + /* The _PAGE_USER test should really be _PAGE_EXEC, but + * older glibc versions execute some code from no-exec + * pages, which for now we are supporting. If exec-only + * pages are ever implemented, this will have to change. + */ + if (!PageReserved(page) && (pte_val(pte) & _PAGE_USER) && !test_bit(PG_arch_1, &page->flags)) { if (vma->vm_mm == current->active_mm) { __flush_dcache_icache((void *) address); _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev