diff mbox

[v5,2/6] xen/arm: remove outer_*_range call

Message ID 1414085246-16160-2-git-send-email-stefano.stabellini@eu.citrix.com (mailing list archive)
State New, archived
Headers show

Commit Message

Stefano Stabellini Oct. 23, 2014, 5:27 p.m. UTC 
Dom0 is not actually capable of issuing outer_inv_range or
outer_clean_range calls.

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
---
 arch/arm/xen/mm32.c |    9 ---------
 1 file changed, 9 deletions(-)

Comments

Ian Campbell Oct. 24, 2014, 9:23 a.m. UTC | #1 
On Thu, 2014-10-23 at 18:27 +0100, Stefano Stabellini wrote:
> Dom0 is not actually capable of issuing outer_inv_range or
> outer_clean_range calls.
> 
> Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>

Acked-by: Ian Campbell <ian.campbell@citrix.com>
diff mbox

Patch

diff --git a/arch/arm/xen/mm32.c b/arch/arm/xen/mm32.c
index a5a93fc..6153d61 100644
--- a/arch/arm/xen/mm32.c
+++ b/arch/arm/xen/mm32.c
@@ -61,9 +61,6 @@  static void __xen_dma_page_dev_to_cpu(struct device *hwdev, dma_addr_t handle,
 	/* Cannot use __dma_page_dev_to_cpu because we don't have a
 	 * struct page for handle */
 
-	if (dir != DMA_TO_DEVICE)
-		outer_inv_range(handle, handle + size);
-
 	dma_cache_maint(handle & PAGE_MASK, handle & ~PAGE_MASK, size, dir, dmac_unmap_area);
 }
 
@@ -72,12 +69,6 @@  static void __xen_dma_page_cpu_to_dev(struct device *hwdev, dma_addr_t handle,
 {
 
 	dma_cache_maint(handle & PAGE_MASK, handle & ~PAGE_MASK, size, dir, dmac_map_area);
-
-	if (dir == DMA_FROM_DEVICE) {
-		outer_inv_range(handle, handle + size);
-	} else {
-		outer_clean_range(handle, handle + size);
-	}
 }
 
 void xen_dma_unmap_page(struct device *hwdev, dma_addr_t handle,