diff for duplicates of <20151028015451.GH7716@linux.vnet.ibm.com> diff --git a/a/1.txt b/N1/1.txt index 43278f0..ffc3608 100644 --- a/a/1.txt +++ b/N1/1.txt @@ -8,7 +8,7 @@ On 28.10.2015 [12:00:20 +1100], Alexey Kardashevskiy wrote: > >>>iommu_table, if available. Fallback to the kernel's page size, > >>>otherwise. > >>> -> >>>Signed-off-by: Nishanth Aravamudan <nacc at linux.vnet.ibm.com> +> >>>Signed-off-by: Nishanth Aravamudan <nacc@linux.vnet.ibm.com> > >>>--- > >>> arch/powerpc/include/asm/dma-mapping.h | 3 +++ > >>> arch/powerpc/kernel/dma.c | 9 +++++++++ diff --git a/a/content_digest b/N1/content_digest index 13ceec7..cadff3d 100644 --- a/a/content_digest +++ b/N1/content_digest @@ -3,9 +3,22 @@ "ref\0562F1368.1030204@ozlabs.ru\0" "ref\020151027222706.GF7716@linux.vnet.ibm.com\0" "ref\056301E24.1060304@ozlabs.ru\0" - "From\0nacc@linux.vnet.ibm.com (Nishanth Aravamudan)\0" - "Subject\0[PATCH 2/7 v2] powerpc/dma-mapping: override dma_get_page_shift\0" + "From\0Nishanth Aravamudan <nacc@linux.vnet.ibm.com>\0" + "Subject\0Re: [PATCH 2/7 v2] powerpc/dma-mapping: override dma_get_page_shift\0" "Date\0Tue, 27 Oct 2015 18:54:51 -0700\0" + "To\0Alexey Kardashevskiy <aik@ozlabs.ru>\0" + "Cc\0Michael Ellerman <mpe@ellerman.id.au>" + Matthew Wilcox <willy@linux.intel.com> + Keith Busch <keith.busch@intel.com> + Benjamin Herrenschmidt <benh@kernel.crashing.org> + Paul Mackerras <paulus@samba.org> + David Gibson <david@gibson.dropbear.id.au> + Christoph Hellwig <hch@infradead.org> + David S. Miller <davem@davemloft.net> + linux-nvme@lists.infradead.org + linux-kernel@vger.kernel.org + linuxppc-dev@lists.ozlabs.org + " sparclinux@vger.kernel.org\0" "\00:1\0" "b\0" "On 28.10.2015 [12:00:20 +1100], Alexey Kardashevskiy wrote:\n" @@ -18,7 +31,7 @@ "> >>>iommu_table, if available. Fallback to the kernel's page size,\n" "> >>>otherwise.\n" "> >>>\n" - "> >>>Signed-off-by: Nishanth Aravamudan <nacc at linux.vnet.ibm.com>\n" + "> >>>Signed-off-by: Nishanth Aravamudan <nacc@linux.vnet.ibm.com>\n" "> >>>---\n" "> >>> arch/powerpc/include/asm/dma-mapping.h | 3 +++\n" "> >>> arch/powerpc/kernel/dma.c | 9 +++++++++\n" @@ -98,4 +111,4 @@ "\n" -Nish -fa149a42228d8fc28afbfe696eca0c56d406ef90632c2400783c93df0374eed3 +992237ccee8d4325f32e5b6846c984f1f8d28044a776dffd2aa54c6a9d5f5bd6
diff --git a/a/1.txt b/N2/1.txt index 43278f0..69e0595 100644 --- a/a/1.txt +++ b/N2/1.txt @@ -8,7 +8,7 @@ On 28.10.2015 [12:00:20 +1100], Alexey Kardashevskiy wrote: > >>>iommu_table, if available. Fallback to the kernel's page size, > >>>otherwise. > >>> -> >>>Signed-off-by: Nishanth Aravamudan <nacc at linux.vnet.ibm.com> +> >>>Signed-off-by: Nishanth Aravamudan <nacc@linux.vnet.ibm.com> > >>>--- > >>> arch/powerpc/include/asm/dma-mapping.h | 3 +++ > >>> arch/powerpc/kernel/dma.c | 9 +++++++++ @@ -45,7 +45,7 @@ On 28.10.2015 [12:00:20 +1100], Alexey Kardashevskiy wrote: > >> > >>All PCI devices have this initialized on POWER (at least, our, IBM's > >>POWER) so 4K will always be returned here while in the case of -> >>(get_dma_ops(dev)==&dma_direct_ops) it could actually return +> >>(get_dma_ops(dev)=&dma_direct_ops) it could actually return > >>PAGE_SHIFT. Is 4K still preferred value to return here? > > > >Right, so the logic of my series, goes like this: @@ -55,7 +55,7 @@ On 28.10.2015 [12:00:20 +1100], Alexey Kardashevskiy wrote: > > > >b) After 2/7, the Power code will return either the IOMMU table's shift > >value, if set, or PAGE_SHIFT (I guess this would be the case if -> >get_dma_ops(dev) == &dma_direct_ops, as you said). That is no different +> >get_dma_ops(dev) = &dma_direct_ops, as you said). That is no different > >than we have now, except we can return the accurate IOMMU value if > >available. > @@ -70,7 +70,7 @@ That's a good point, thanks! > > > >4) After 4/7, pseries will return the DDW value, if available, then > >fallback to the IOMMU table's value. I think in the case of -> >get_dma_ops(dev)==&dma_direct_ops, the only way that can happen is if we +> >get_dma_ops(dev)=&dma_direct_ops, the only way that can happen is if we > >are using DDW, right? > > This is for pseries guests; for the powernv host it is a "bypass" diff --git a/a/content_digest b/N2/content_digest index 13ceec7..43f5fb2 100644 --- a/a/content_digest +++ b/N2/content_digest @@ -3,9 +3,10 @@ "ref\0562F1368.1030204@ozlabs.ru\0" "ref\020151027222706.GF7716@linux.vnet.ibm.com\0" "ref\056301E24.1060304@ozlabs.ru\0" - "From\0nacc@linux.vnet.ibm.com (Nishanth Aravamudan)\0" - "Subject\0[PATCH 2/7 v2] powerpc/dma-mapping: override dma_get_page_shift\0" - "Date\0Tue, 27 Oct 2015 18:54:51 -0700\0" + "From\0Nishanth Aravamudan <nacc@linux.vnet.ibm.com>\0" + "Subject\0Re: [PATCH 2/7 v2] powerpc/dma-mapping: override dma_get_page_shift\0" + "Date\0Wed, 28 Oct 2015 01:54:51 +0000\0" + "To\0sparclinux@vger.kernel.org\0" "\00:1\0" "b\0" "On 28.10.2015 [12:00:20 +1100], Alexey Kardashevskiy wrote:\n" @@ -18,7 +19,7 @@ "> >>>iommu_table, if available. Fallback to the kernel's page size,\n" "> >>>otherwise.\n" "> >>>\n" - "> >>>Signed-off-by: Nishanth Aravamudan <nacc at linux.vnet.ibm.com>\n" + "> >>>Signed-off-by: Nishanth Aravamudan <nacc@linux.vnet.ibm.com>\n" "> >>>---\n" "> >>> arch/powerpc/include/asm/dma-mapping.h | 3 +++\n" "> >>> arch/powerpc/kernel/dma.c | 9 +++++++++\n" @@ -55,7 +56,7 @@ "> >>\n" "> >>All PCI devices have this initialized on POWER (at least, our, IBM's\n" "> >>POWER) so 4K will always be returned here while in the case of\n" - "> >>(get_dma_ops(dev)==&dma_direct_ops) it could actually return\n" + "> >>(get_dma_ops(dev)=&dma_direct_ops) it could actually return\n" "> >>PAGE_SHIFT. Is 4K still preferred value to return here?\n" "> >\n" "> >Right, so the logic of my series, goes like this:\n" @@ -65,7 +66,7 @@ "> >\n" "> >b) After 2/7, the Power code will return either the IOMMU table's shift\n" "> >value, if set, or PAGE_SHIFT (I guess this would be the case if\n" - "> >get_dma_ops(dev) == &dma_direct_ops, as you said). That is no different\n" + "> >get_dma_ops(dev) = &dma_direct_ops, as you said). That is no different\n" "> >than we have now, except we can return the accurate IOMMU value if\n" "> >available.\n" "> \n" @@ -80,7 +81,7 @@ "> >\n" "> >4) After 4/7, pseries will return the DDW value, if available, then\n" "> >fallback to the IOMMU table's value. I think in the case of\n" - "> >get_dma_ops(dev)==&dma_direct_ops, the only way that can happen is if we\n" + "> >get_dma_ops(dev)=&dma_direct_ops, the only way that can happen is if we\n" "> >are using DDW, right?\n" "> \n" "> This is for pseries guests; for the powernv host it is a \"bypass\"\n" @@ -98,4 +99,4 @@ "\n" -Nish -fa149a42228d8fc28afbfe696eca0c56d406ef90632c2400783c93df0374eed3 +bd7c51ee1591ee3cb61054fbb655de47d680536be2eae0a8bf567c649c802a8c
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