RE: [PATCH 03/04] qemu-kvm: Remove the dependency for phys_ram_base
"Zhang, Xiantao" <[email protected]>
| Newsgroups | org.kernel.vger.kvm-ia64,org.kernel.vger.kvm |
|---|---|
| Message-ID | <706158FABBBA044BAD4FE898A02E4BC236A2BD95@pdsmsx503.ccr.corp.intel.com> |
Jes Sorensen wrote: >>>>>> "Avi" = Avi Kivity <[email protected]> writes: > > Avi> Zhang, Xiantao wrote: >>>> qemu_get_ram_ptr() returns a pointer. Don't cast it to a >>>> ram_addr_t, leave it a pointer. >>>> >>>> But why not use cpu_physical_memory_write() (or >>>> cpu_physical_memory_write_rom())? It's much simpler and cleaner. >>>> >>> Good suggestion! I just followed the original logic. Updated the >>> patch. Xiantao > > Avi> Thanks, applied. > > Hi, Hi, Jes > I am not crazy about this patch. You need to use > cpy_physical_memory_rw() in the hob and nvram code too, not just in > the ipf.c code. Agree, maybe you can make an increment patch for that. > What about the flush_icache_range() call you removed - is it safe to > just discard that?" Yes, I think cpu_physical_memory_write also called the flush_icache_range, so don't need to duplicate it. > I was in the process of working through this myself, but I am not > quite finished. If you don't mind waiting a couple hours, I should > have something a fair bit simpler to solve the same problem. > > Biggest issue is the flush_icache_range() one. > > Cheers, > Jes