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authorMark Brown <broonie@kernel.org>2023-08-18 22:46:19 +0100
committerMark Brown <broonie@kernel.org>2023-08-18 22:46:19 +0100
commitab4724302feedcd33633fd409667a8ee0016f13d (patch)
tree245c7082ca66780da02df0b7cedc91a5090b795f /io_uring/io_uring.c
parent46f53bde6e69edf8a2e0943babb3f160b30ee436 (diff)
parentef75e767167a8f30c7690bc4689dba76329ee06e (diff)
Add cs42l43 PC focused SoundWire CODEC
Merge series from Charles Keepax <ckeepax@opensource.cirrus.com>: This patch chain adds support for the Cirrus Logic cs42l43 PC focused SoundWire CODEC.
Diffstat (limited to 'io_uring/io_uring.c')
-rw-r--r--io_uring/io_uring.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index f4591b912ea8..93db3e4e7b68 100644
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -3470,6 +3470,8 @@ static unsigned long io_uring_mmu_get_unmapped_area(struct file *filp,
* - use the kernel virtual address of the shared io_uring context
* (instead of the userspace-provided address, which has to be 0UL
* anyway).
+ * - use the same pgoff which the get_unmapped_area() uses to
+ * calculate the page colouring.
* For architectures without such aliasing requirements, the
* architecture will return any suitable mapping because addr is 0.
*/
@@ -3478,6 +3480,7 @@ static unsigned long io_uring_mmu_get_unmapped_area(struct file *filp,
pgoff = 0; /* has been translated to ptr above */
#ifdef SHM_COLOUR
addr = (uintptr_t) ptr;
+ pgoff = addr >> PAGE_SHIFT;
#else
addr = 0UL;
#endif