diff mbox series

[RFC,PKS/PMEM,46/58] drives/staging: Utilize new kmap_thread()

Message ID 20201009195033.3208459-47-ira.weiny@intel.com (mailing list archive)
State Not Applicable
Headers show
Series PMEM: Introduce stray write protection for PMEM | expand

Checks

Context Check Description
snowpatch_ozlabs/apply_patch warning Failed to apply on branch powerpc/merge (118be7377c97e35c33819bcb3bbbae5a42a4ac43)
snowpatch_ozlabs/apply_patch warning Failed to apply on branch powerpc/next (a2d0230b91f7e23ceb5d8fb6a9799f30517ec33a)
snowpatch_ozlabs/apply_patch warning Failed to apply on branch linus/master (6f2f486d57c4d562cdf4932320b66fbb878ab1c4)
snowpatch_ozlabs/apply_patch warning Failed to apply on branch powerpc/fixes (0460534b532e5518c657c7d6492b9337d975eaa3)
snowpatch_ozlabs/apply_patch warning Failed to apply on branch linux-next (d67bc7812221606e1886620a357b13f906814af7)
snowpatch_ozlabs/apply_patch fail Failed to apply to any branch

Commit Message

Ira Weiny Oct. 9, 2020, 7:50 p.m. UTC 
From: Ira Weiny <ira.weiny@intel.com>

These kmap() calls are localized to a single thread.  To avoid the over
head of global PKRS updates use the new kmap_thread() call.

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
---
 drivers/staging/rts5208/rtsx_transport.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/staging/rts5208/rtsx_transport.c b/drivers/staging/rts5208/rtsx_transport.c
index 0027bcf638ad..f747cc23951b 100644
--- a/drivers/staging/rts5208/rtsx_transport.c
+++ b/drivers/staging/rts5208/rtsx_transport.c
@@ -92,13 +92,13 @@  unsigned int rtsx_stor_access_xfer_buf(unsigned char *buffer,
 			while (sglen > 0) {
 				unsigned int plen = min(sglen, (unsigned int)
 						PAGE_SIZE - poff);
-				unsigned char *ptr = kmap(page);
+				unsigned char *ptr = kmap_thread(page);
 
 				if (dir == TO_XFER_BUF)
 					memcpy(ptr + poff, buffer + cnt, plen);
 				else
 					memcpy(buffer + cnt, ptr + poff, plen);
-				kunmap(page);
+				kunmap_thread(page);
 
 				/* Start at the beginning of the next page */
 				poff = 0;