diff for duplicates of <1500309990.3244.2.camel@HansenPartnership.com> diff --git a/a/1.txt b/N1/1.txt index addc6f6..20ffdbd 100644 --- a/a/1.txt +++ b/N1/1.txt @@ -1,10 +1,10 @@ -On Mon, 2017-07-17 at 09:06 -0700, Vineet Gupta wrote: +On Mon, 2017-07-17@09:06 -0700, Vineet Gupta wrote: > Hi Christoph, > > On 07/16/2017 11:42 PM, Christoph Hellwig wrote: > > > > I would expect that it would support any contiguous range in -> > the kernel mapping (e.g. no vmalloc and friends). But it's not +> > the kernel mapping (e.g. no vmalloc and friends).??But it's not > > documented anywhere, and if no in kernel users makes use of that > > fact at the moment it might be better to document a page size > > limitation and add asserts to enforce it. @@ -15,7 +15,7 @@ On Mon, 2017-07-17 at 09:06 -0700, Vineet Gupta wrote: > fact to Documentation that it can handle any physically contiguous > range. -Actually, that's not historically right. dma_map_single() was +Actually, that's not historically right. ?dma_map_single() was originally designed to be called on any region that was kmalloc'd meaning it was capable of mapping physically contiguous > PAGE_SIZE regions. diff --git a/a/content_digest b/N1/content_digest index 56a9606..20a2ec5 100644 --- a/a/content_digest +++ b/N1/content_digest @@ -1,28 +1,19 @@ "ref\0dc128260-6641-828a-3bb6-c2f0b4f09f78@synopsys.com\0" "ref\020170717064220.GA15807@lst.de\0" "ref\023203d16-da54-99c7-0eba-c082eba120d7@synopsys.com\0" - "From\0James Bottomley <James.Bottomley@hansenpartnership.com>\0" - "Subject\0Re: semantics of dma_map_single()\0" + "From\0James.Bottomley@hansenpartnership.com (James Bottomley)\0" + "Subject\0semantics of dma_map_single()\0" "Date\0Mon, 17 Jul 2017 09:46:30 -0700\0" - "To\0Vineet Gupta <Vineet.Gupta1@synopsys.com>" - " Christoph Hellwig <hch@lst.de>\0" - "Cc\0linux-arch@vger.kernel.org <linux-arch@vger.kernel.org>" - linux-mm@kvack.org <linux-mm@kvack.org> - bart.vanassche@sandisk.com - Alexander Duyck <alexander.h.duyck@intel.com> - Krzysztof Kozlowski <k.kozlowski@samsung.com> - Andrew Morton <akpm@linux-foundation.org> - lkml <linux-kernel@vger.kernel.org> - " arcml <linux-snps-arc@lists.infradead.org>\0" + "To\0linux-snps-arc@lists.infradead.org\0" "\00:1\0" "b\0" - "On Mon, 2017-07-17 at 09:06 -0700, Vineet Gupta wrote:\n" + "On Mon, 2017-07-17@09:06 -0700, Vineet Gupta wrote:\n" "> Hi Christoph,\n" "> \n" "> On 07/16/2017 11:42 PM, Christoph Hellwig wrote:\n" "> > \n" "> > I would expect that it would support any contiguous range in\n" - "> > the kernel mapping (e.g. no vmalloc and friends).\302\240\302\240But it's not\n" + "> > the kernel mapping (e.g. no vmalloc and friends).??But it's not\n" "> > documented anywhere, and if no in kernel users makes use of that\n" "> > fact at the moment it might be better to document a page size\n" "> > limitation and add asserts to enforce it.\n" @@ -33,7 +24,7 @@ "> fact to Documentation that it can handle any physically contiguous\n" "> range.\n" "\n" - "Actually, that's not historically right. \302\240dma_map_single() was\n" + "Actually, that's not historically right. ?dma_map_single() was\n" "originally designed to be called on any region that was kmalloc'd\n" "meaning it was capable of mapping physically contiguous > PAGE_SIZE\n" "regions.\n" @@ -46,4 +37,4 @@ "\n" James -3dda173e7cbcb67f80401c2e59fb4bb174ae51e9a014af7419e12ab001b4c021 +aa562d8c862c5248799f92a6ed8d78186c64013eb02566d667b1d0c3539ccf2a
diff --git a/a/1.txt b/N2/1.txt index addc6f6..cc383d3 100644 --- a/a/1.txt +++ b/N2/1.txt @@ -4,7 +4,7 @@ On Mon, 2017-07-17 at 09:06 -0700, Vineet Gupta wrote: > On 07/16/2017 11:42 PM, Christoph Hellwig wrote: > > > > I would expect that it would support any contiguous range in -> > the kernel mapping (e.g. no vmalloc and friends). But it's not +> > the kernel mapping (e.g. no vmalloc and friends).A A But it's not > > documented anywhere, and if no in kernel users makes use of that > > fact at the moment it might be better to document a page size > > limitation and add asserts to enforce it. @@ -15,7 +15,7 @@ On Mon, 2017-07-17 at 09:06 -0700, Vineet Gupta wrote: > fact to Documentation that it can handle any physically contiguous > range. -Actually, that's not historically right. dma_map_single() was +Actually, that's not historically right. A dma_map_single() was originally designed to be called on any region that was kmalloc'd meaning it was capable of mapping physically contiguous > PAGE_SIZE regions. @@ -27,3 +27,9 @@ enforce a PAGE_SIZE limit, but not without auditing the remaining callers. James + +-- +To unsubscribe, send a message with 'unsubscribe linux-mm' in +the body to majordomo@kvack.org. For more info on Linux MM, +see: http://www.linux-mm.org/ . +Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a> diff --git a/a/content_digest b/N2/content_digest index 56a9606..05a38de 100644 --- a/a/content_digest +++ b/N2/content_digest @@ -22,7 +22,7 @@ "> On 07/16/2017 11:42 PM, Christoph Hellwig wrote:\n" "> > \n" "> > I would expect that it would support any contiguous range in\n" - "> > the kernel mapping (e.g. no vmalloc and friends).\302\240\302\240But it's not\n" + "> > the kernel mapping (e.g. no vmalloc and friends).A A But it's not\n" "> > documented anywhere, and if no in kernel users makes use of that\n" "> > fact at the moment it might be better to document a page size\n" "> > limitation and add asserts to enforce it.\n" @@ -33,7 +33,7 @@ "> fact to Documentation that it can handle any physically contiguous\n" "> range.\n" "\n" - "Actually, that's not historically right. \302\240dma_map_single() was\n" + "Actually, that's not historically right. A dma_map_single() was\n" "originally designed to be called on any region that was kmalloc'd\n" "meaning it was capable of mapping physically contiguous > PAGE_SIZE\n" "regions.\n" @@ -44,6 +44,12 @@ "enforce a PAGE_SIZE limit, but not without auditing the remaining\n" "callers.\n" "\n" - James + "James\n" + "\n" + "--\n" + "To unsubscribe, send a message with 'unsubscribe linux-mm' in\n" + "the body to majordomo@kvack.org. For more info on Linux MM,\n" + "see: http://www.linux-mm.org/ .\n" + "Don't email: <a href=mailto:\"dont@kvack.org\"> email@kvack.org </a>" -3dda173e7cbcb67f80401c2e59fb4bb174ae51e9a014af7419e12ab001b4c021 +1d7acf16b40688ded778b7ac3ccf47dfa4c3b197c5628aed872c5f549db464df
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