Commit e27810f1 authored May 30, 2008 by Rusty Russell

lguest: use ioremap_cache, not ioremap



Thanks to Jon Corbet & LWN.  Only took me a day to join the dots.

Host->Guest netcat before (with unnecessily large receive buffers):
1073741824 bytes (1.1 GB) copied, 24.7528 seconds, 43.4 MB/s

After:
1073741824 bytes (1.1 GB) copied, 17.6369 seconds, 60.9 MB/s

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

parent 0a2ce2ff

drivers/lguest/lguest_device.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -27,7 +27,7 @@ static unsigned int dev_index;
		* __iomem to quieten sparse. */
		static inline void *lguest_map(unsigned long phys_addr, unsigned long pages)
		{
		return (__force void )ioremap(phys_addr, PAGE_SIZEpages);
		return (__force void )ioremap_cache(phys_addr, PAGE_SIZEpages);
		}

		static inline void lguest_unmap(void *addr)