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authorLinus Torvalds <torvalds@g5.osdl.org>2006-03-21 19:52:18 +0300
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-21 19:52:18 +0300
commitb05005772f34497eb2b7415a651fe785cbe70e16 (patch)
treeb176aeb7fa9baf69e77ddd83e844727490bfcf28 /include/asm-frv/cacheflush.h
parent044f324f6ea5d55391db62fca6a295b2651cb946 (diff)
parent7705a8792b0fc82fd7d4dd923724606bbfd9fb20 (diff)
downloadlinux-b05005772f34497eb2b7415a651fe785cbe70e16.tar.xz
Merge branch 'origin'
Conflicts: Documentation/video4linux/CARDLIST.cx88 drivers/media/video/cx88/Kconfig drivers/media/video/em28xx/em28xx-video.c drivers/media/video/saa7134/saa7134-dvb.c Resolved as in the original merge by Mauro Carvalho Chehab
Diffstat (limited to 'include/asm-frv/cacheflush.h')
-rw-r--r--include/asm-frv/cacheflush.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/asm-frv/cacheflush.h b/include/asm-frv/cacheflush.h
index 3007deccb490..eaa5826bc1c8 100644
--- a/include/asm-frv/cacheflush.h
+++ b/include/asm-frv/cacheflush.h
@@ -87,5 +87,17 @@ static inline void flush_icache_page(struct vm_area_struct *vma, struct page *pa
flush_icache_user_range(vma, page, page_to_phys(page), PAGE_SIZE);
}
+/*
+ * permit ptrace to access another process's address space through the icache
+ * and the dcache
+ */
+#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
+do { \
+ memcpy((dst), (src), (len)); \
+ flush_icache_user_range((vma), (page), (vaddr), (len)); \
+} while(0)
+
+#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
+ memcpy((dst), (src), (len))
#endif /* _ASM_CACHEFLUSH_H */