Messages in this thread Patch in this message | | | Date | Tue, 27 Aug 2019 10:45:20 +0100 | From | Russell King - ARM Linux admin <> | Subject | Re: [PATCH] arm: xen: mm: use __GPF_DMA32 for arm64 |
| |
You need to find someone who is interested in Xen on 32-bit ARM, and who knows this code - and therefore what impact your change causes. That isn't me, sorry.
On Tue, Aug 27, 2019 at 09:27:53AM +0000, Peng Fan wrote: > Ping again.. > > +Julien > > > Subject: RE: [PATCH] arm: xen: mm: use __GPF_DMA32 for arm64 > > > > Hi Russell, Stefano > > > > > Subject: [PATCH] arm: xen: mm: use __GPF_DMA32 for arm64 > > > > Any comments? > > > > > > > > arm64 shares some code under arch/arm/xen, including mm.c. > > > However ZONE_DMA is removed by commit > > > ad67f5a6545("arm64: replace ZONE_DMA with ZONE_DMA32"). > > > So to ARM64, need use __GFP_DMA32. > > > > > > Signed-off-by: Peng Fan <peng.fan@nxp.com> > > > --- > > > arch/arm/xen/mm.c | 2 +- > > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > > > diff --git a/arch/arm/xen/mm.c b/arch/arm/xen/mm.c index > > > e1d44b903dfc..a95e76d18bf9 100644 > > > --- a/arch/arm/xen/mm.c > > > +++ b/arch/arm/xen/mm.c > > > @@ -27,7 +27,7 @@ unsigned long xen_get_swiotlb_free_pages(unsigned > > int > > > order) > > > > > > for_each_memblock(memory, reg) { > > > if (reg->base < (phys_addr_t)0xffffffff) { > > > - flags |= __GFP_DMA; > > > + flags |= __GFP_DMA | __GFP_DMA32; > > > break; > > > } > > > } > > > > Thanks, > > Peng. > > Thanks, > Peng. > > > > > > -- > > > 2.16.4 > > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel >
-- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTC broadband for 0.8mile line in suburbia: sync at 12.1Mbps down 622kbps up According to speedtest.net: 11.9Mbps down 500kbps up
| |