summaryrefslogtreecommitdiffstats
path: root/drivers
diff options
context:
space:
mode:
authorRusty Russell <rusty@rustcorp.com.au>2008-05-30 15:09:40 -0500
committerRusty Russell <rusty@rustcorp.com.au>2008-05-30 15:09:41 +1000
commite27810f11340987df123a99eb9ae14c054a55639 (patch)
tree4605228957a1e02cde0d4fa753cc3cbe2f75656c /drivers
parent0a2ce2ffc358da96792d514c1024b72c52be9cc1 (diff)
downloadop-kernel-dev-e27810f11340987df123a99eb9ae14c054a55639.zip
op-kernel-dev-e27810f11340987df123a99eb9ae14c054a55639.tar.gz
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/lguest/lguest_device.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/lguest/lguest_device.c b/drivers/lguest/lguest_device.c
index 8080249..f4fdf35 100644
--- a/drivers/lguest/lguest_device.c
+++ b/drivers/lguest/lguest_device.c
@@ -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_SIZE*pages);
+ return (__force void *)ioremap_cache(phys_addr, PAGE_SIZE*pages);
}
static inline void lguest_unmap(void *addr)
OpenPOWER on IntegriCloud