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authorJason Gunthorpe <jgg@nvidia.com>2022-11-29 23:42:27 +0300
committerJason Gunthorpe <jgg@nvidia.com>2022-12-02 19:04:39 +0300
commit90337f526c98129b0b180fc52dc5f57d8e7a8614 (patch)
treed7458a03027cde56b8191f656dc5cdf1531a767d /arch/x86/lib/usercopy.c
parent169dd5c987e60e62aa5785b30d22ded2ae000286 (diff)
parentb7b275e60bcd5f89771e865a8239325f86d9927d (diff)
downloadlinux-90337f526c98129b0b180fc52dc5f57d8e7a8614.tar.xz
Merge tag 'v6.1-rc7' into iommufd.git for-next
Resolve conflicts in drivers/vfio/vfio_main.c by using the iommfd version. The rc fix was done a different way when iommufd patches reworked this code. 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;