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authorJason Gunthorpe <jgg@nvidia.com>2022-12-09 15:52:17 -0400
committerJason Gunthorpe <jgg@nvidia.com>2022-12-09 15:52:17 -0400
commitd69e8c63fcbbf695ff7ff2c6d26efead23cfbb3a (patch)
tree4d714ecd331233069ab718989bb017dfd934e129 /arch/x86/lib/usercopy.c
parent6cfe7bd0dfd33033683639039b5608d6534c19eb (diff)
parent76dcd734eca23168cb008912c0f69ff408905235 (diff)
Merge tag 'v6.1-rc8' into rdma.git for-next
For dependencies in following patches Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'arch/x86/lib/usercopy.c')
-rw-r--r--arch/x86/lib/usercopy.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/lib/usercopy.c b/arch/x86/lib/usercopy.c
index f1bb18617156..24b48af27417 100644
--- a/arch/x86/lib/usercopy.c
+++ b/arch/x86/lib/usercopy.c
@@ -6,6 +6,7 @@
#include <linux/uaccess.h>
#include <linux/export.h>
+#include <linux/instrumented.h>
#include <asm/tlbflush.h>
@@ -44,7 +45,9 @@ copy_from_user_nmi(void *to, const void __user *from, unsigned long n)
* called from other contexts.
*/
pagefault_disable();
+ instrument_copy_from_user_before(to, from, n);
ret = raw_copy_from_user(to, from, n);
+ instrument_copy_from_user_after(to, from, n, ret);
pagefault_enable();
return ret;