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-rw-r--r--arch/x86/um/delay.c2
-rw-r--r--arch/x86/um/ptrace_32.c3
-rw-r--r--arch/x86/um/ptrace_64.c4
-rw-r--r--arch/x86/um/vdso/Makefile3
4 files changed, 11 insertions, 1 deletions
diff --git a/arch/x86/um/delay.c b/arch/x86/um/delay.c
index f3fe1a688..a8fb7ca48 100644
--- a/arch/x86/um/delay.c
+++ b/arch/x86/um/delay.c
@@ -7,7 +7,7 @@
* published by the Free Software Foundation.
*/
-#include <linux/module.h>
+#include <linux/export.h>
#include <linux/kernel.h>
#include <linux/delay.h>
#include <asm/param.h>
diff --git a/arch/x86/um/ptrace_32.c b/arch/x86/um/ptrace_32.c
index ebd4dd6ef..a7ef7b131 100644
--- a/arch/x86/um/ptrace_32.c
+++ b/arch/x86/um/ptrace_32.c
@@ -84,7 +84,10 @@ int putreg(struct task_struct *child, int regno, unsigned long value)
case EAX:
case EIP:
case UESP:
+ break;
case ORIG_EAX:
+ /* Update the syscall number. */
+ UPT_SYSCALL_NR(&child->thread.regs.regs) = value;
break;
case FS:
if (value && (value & 3) != 3)
diff --git a/arch/x86/um/ptrace_64.c b/arch/x86/um/ptrace_64.c
index faab41887..0b5c184dd 100644
--- a/arch/x86/um/ptrace_64.c
+++ b/arch/x86/um/ptrace_64.c
@@ -78,7 +78,11 @@ int putreg(struct task_struct *child, int regno, unsigned long value)
case RSI:
case RDI:
case RBP:
+ break;
+
case ORIG_RAX:
+ /* Update the syscall number. */
+ UPT_SYSCALL_NR(&child->thread.regs.regs) = value;
break;
case FS:
diff --git a/arch/x86/um/vdso/Makefile b/arch/x86/um/vdso/Makefile
index 6c803ca49..d72dec406 100644
--- a/arch/x86/um/vdso/Makefile
+++ b/arch/x86/um/vdso/Makefile
@@ -2,6 +2,9 @@
# Building vDSO images for x86.
#
+# Prevents link failures: __sanitizer_cov_trace_pc() is not linked in.
+KCOV_INSTRUMENT := n
+
VDSO64-y := y
vdso-install-$(VDSO64-y) += vdso.so