From e169b23e66575856c5712b8f2162e305d8560d6b Mon Sep 17 00:00:00 2001 From: Samuel Ortiz Date: Tue, 21 Oct 2008 16:25:42 +0200 Subject: linux-moblin: Add 2.6.27 moblin kernel This will be the default moblin kernel. We also moved the 2.6.27-rc* kernels to meta-moblin. --- .../0013-Export-kmap_atomic_pfn-for-DRM-GEM.patch | 24 ++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 meta-moblin/packages/linux/linux-moblin-2.6.27/0013-Export-kmap_atomic_pfn-for-DRM-GEM.patch (limited to 'meta-moblin/packages/linux/linux-moblin-2.6.27/0013-Export-kmap_atomic_pfn-for-DRM-GEM.patch') diff --git a/meta-moblin/packages/linux/linux-moblin-2.6.27/0013-Export-kmap_atomic_pfn-for-DRM-GEM.patch b/meta-moblin/packages/linux/linux-moblin-2.6.27/0013-Export-kmap_atomic_pfn-for-DRM-GEM.patch new file mode 100644 index 000000000..cc90d4626 --- /dev/null +++ b/meta-moblin/packages/linux/linux-moblin-2.6.27/0013-Export-kmap_atomic_pfn-for-DRM-GEM.patch @@ -0,0 +1,24 @@ +commit 25eaa97fc74b225e13cf11ed8d770192ddc9355d +Author: Eric Anholt +Date: Thu Aug 21 12:53:33 2008 -0700 + + Export kmap_atomic_pfn for DRM-GEM. + + The driver would like to map IO space directly for copying data in when + appropriate, to avoid CPU cache flushing for streaming writes. + kmap_atomic_pfn lets us avoid IPIs associated with ioremap for this process. + + Signed-off-by: Eric Anholt + +diff --git a/arch/x86/mm/highmem_32.c b/arch/x86/mm/highmem_32.c +index 165c871..d52e91d 100644 +--- a/arch/x86/mm/highmem_32.c ++++ b/arch/x86/mm/highmem_32.c +@@ -137,6 +137,7 @@ void *kmap_atomic_pfn(unsigned long pfn, enum km_type type) + + return (void*) vaddr; + } ++EXPORT_SYMBOL(kmap_atomic_pfn); + + struct page *kmap_atomic_to_page(void *ptr) + { -- cgit v1.2.3