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authorIngo Molnar <mingo@kernel.org>2022-11-22 00:54:36 +0300
committerIngo Molnar <mingo@kernel.org>2022-11-22 01:01:51 +0300
commit0ce096db719ebaf46d4faf93e1ed1341c1853919 (patch)
tree41c8826034eb5b430adf97d43fb0f2dce78325ba /arch/x86/lib
parent2d08a893b87cf9b2f9dbb3afaff60ca4530d55a2 (diff)
parenteb7081409f94a9a8608593d0fb63a1aa3d6f95d8 (diff)
downloadlinux-0ce096db719ebaf46d4faf93e1ed1341c1853919.tar.xz
Merge tag 'v6.1-rc6' into x86/core, to resolve conflicts
Resolve conflicts between these commits in arch/x86/kernel/asm-offsets.c: # upstream: debc5a1ec0d1 ("KVM: x86: use a separate asm-offsets.c file") # retbleed work in x86/core: 5d8213864ade ("x86/retbleed: Add SKL return thunk") ... and these commits in include/linux/bpf.h: # upstram: 18acb7fac22f ("bpf: Revert ("Fix dispatcher patchable function entry to 5 bytes nop")") # x86/core commits: 931ab63664f0 ("x86/ibt: Implement FineIBT") bea75b33895f ("x86/Kconfig: Introduce function padding") The latter two modify BPF_DISPATCHER_ATTRIBUTES(), which was removed upstream. Conflicts: arch/x86/kernel/asm-offsets.c include/linux/bpf.h Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/lib')
-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;