diff for duplicates of <56301E24.1060304@ozlabs.ru> diff --git a/a/1.txt b/N1/1.txt index 81562e0..e89acfb 100644 --- a/a/1.txt +++ b/N1/1.txt @@ -7,7 +7,7 @@ On 10/28/2015 09:27 AM, Nishanth Aravamudan 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 25f3737..3112dc1 100644 --- a/a/content_digest +++ b/N1/content_digest @@ -2,9 +2,22 @@ "ref\020151023205718.GC10197@linux.vnet.ibm.com\0" "ref\0562F1368.1030204@ozlabs.ru\0" "ref\020151027222706.GF7716@linux.vnet.ibm.com\0" - "From\0aik@ozlabs.ru (Alexey Kardashevskiy)\0" - "Subject\0[PATCH 2/7 v2] powerpc/dma-mapping: override dma_get_page_shift\0" + "From\0Alexey Kardashevskiy <aik@ozlabs.ru>\0" + "Subject\0Re: [PATCH 2/7 v2] powerpc/dma-mapping: override dma_get_page_shift\0" "Date\0Wed, 28 Oct 2015 12:00:20 +1100\0" + "To\0Nishanth Aravamudan <nacc@linux.vnet.ibm.com>\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 10/28/2015 09:27 AM, Nishanth Aravamudan wrote:\n" @@ -16,7 +29,7 @@ ">>> 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" @@ -90,4 +103,4 @@ "-- \n" Alexey -78cf7ae5e1ed98f309707aab5cb0a0b43b44ee184426865aa65ccbaf11a10b35 +794d77752bc16d79ed4cdb713ad99e932d094134cf0b2b1b78de8f5e0da05fbc
diff --git a/a/1.txt b/N2/1.txt index 81562e0..cfd1a64 100644 --- a/a/1.txt +++ b/N2/1.txt @@ -7,7 +7,7 @@ On 10/28/2015 09:27 AM, Nishanth Aravamudan 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 +++++++++ @@ -44,7 +44,7 @@ On 10/28/2015 09:27 AM, Nishanth Aravamudan 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: @@ -54,7 +54,7 @@ On 10/28/2015 09:27 AM, Nishanth Aravamudan 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. @@ -69,7 +69,7 @@ function can ever return PAGE_SHIFT. imho. > > 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" mode diff --git a/a/content_digest b/N2/content_digest index 25f3737..6f602d8 100644 --- a/a/content_digest +++ b/N2/content_digest @@ -2,9 +2,10 @@ "ref\020151023205718.GC10197@linux.vnet.ibm.com\0" "ref\0562F1368.1030204@ozlabs.ru\0" "ref\020151027222706.GF7716@linux.vnet.ibm.com\0" - "From\0aik@ozlabs.ru (Alexey Kardashevskiy)\0" - "Subject\0[PATCH 2/7 v2] powerpc/dma-mapping: override dma_get_page_shift\0" - "Date\0Wed, 28 Oct 2015 12:00:20 +1100\0" + "From\0Alexey Kardashevskiy <aik@ozlabs.ru>\0" + "Subject\0Re: [PATCH 2/7 v2] powerpc/dma-mapping: override dma_get_page_shift\0" + "Date\0Wed, 28 Oct 2015 01:00:20 +0000\0" + "To\0sparclinux@vger.kernel.org\0" "\00:1\0" "b\0" "On 10/28/2015 09:27 AM, Nishanth Aravamudan wrote:\n" @@ -16,7 +17,7 @@ ">>> 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" @@ -53,7 +54,7 @@ ">>\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" @@ -63,7 +64,7 @@ ">\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" @@ -78,7 +79,7 @@ ">\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\" mode \n" @@ -90,4 +91,4 @@ "-- \n" Alexey -78cf7ae5e1ed98f309707aab5cb0a0b43b44ee184426865aa65ccbaf11a10b35 +7f8d6b28561e1ec3ee98f797efa536d22a40ca2a8963d51795c38312a4ec6cdc
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