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-rw-r--r--arch/x86/um/Kconfig10
-rw-r--r--arch/x86/um/Makefile3
-rw-r--r--arch/x86/um/shared/sysdep/stub_64.h1
-rw-r--r--arch/x86/um/sysrq_64.c4
-rw-r--r--arch/x86/um/vdso/Makefile3
5 files changed, 13 insertions, 8 deletions
diff --git a/arch/x86/um/Kconfig b/arch/x86/um/Kconfig
index 1bcd42c53039..186f13268401 100644
--- a/arch/x86/um/Kconfig
+++ b/arch/x86/um/Kconfig
@@ -32,12 +32,12 @@ config 3_LEVEL_PGTABLES
bool "Three-level pagetables" if !64BIT
default 64BIT
help
- Three-level pagetables will let UML have more than 4G of physical
- memory. All the memory that can't be mapped directly will be treated
- as high memory.
+ Three-level pagetables will let UML have more than 4G of physical
+ memory. All the memory that can't be mapped directly will be treated
+ as high memory.
- However, this it experimental on 32-bit architectures, so if unsure say
- N (on x86-64 it's automatically enabled, instead, as it's safe there).
+ However, this it experimental on 32-bit architectures, so if unsure say
+ N (on x86-64 it's automatically enabled, instead, as it's safe there).
config ARCH_HAS_SC_SIGNALS
def_bool !64BIT
diff --git a/arch/x86/um/Makefile b/arch/x86/um/Makefile
index ba5789c35809..f778e37494ba 100644
--- a/arch/x86/um/Makefile
+++ b/arch/x86/um/Makefile
@@ -28,7 +28,8 @@ else
obj-y += syscalls_64.o vdso/
-subarch-y = ../lib/csum-partial_64.o ../lib/memcpy_64.o ../entry/thunk_64.o
+subarch-y = ../lib/csum-partial_64.o ../lib/memcpy_64.o ../entry/thunk_64.o \
+ ../lib/memmove_64.o ../lib/memset_64.o
endif
diff --git a/arch/x86/um/shared/sysdep/stub_64.h b/arch/x86/um/shared/sysdep/stub_64.h
index e9c4b2b38803..92ea1670cf1c 100644
--- a/arch/x86/um/shared/sysdep/stub_64.h
+++ b/arch/x86/um/shared/sysdep/stub_64.h
@@ -8,6 +8,7 @@
#include <sysdep/ptrace_user.h>
#include <generated/asm-offsets.h>
+#include <linux/stddef.h>
#define STUB_MMAP_NR __NR_mmap
#define MMAP_OFFSET(o) (o)
diff --git a/arch/x86/um/sysrq_64.c b/arch/x86/um/sysrq_64.c
index 903ad91b624f..ef1eb4f4f612 100644
--- a/arch/x86/um/sysrq_64.c
+++ b/arch/x86/um/sysrq_64.c
@@ -19,8 +19,8 @@ void show_regs(struct pt_regs *regs)
print_modules();
printk(KERN_INFO "Pid: %d, comm: %.20s %s %s\n", task_pid_nr(current),
current->comm, print_tainted(), init_utsname()->release);
- printk(KERN_INFO "RIP: %04lx:[<%016lx>]\n", PT_REGS_CS(regs) & 0xffff,
- PT_REGS_IP(regs));
+ printk(KERN_INFO "RIP: %04lx:%pS\n", PT_REGS_CS(regs) & 0xffff,
+ (void *)PT_REGS_IP(regs));
printk(KERN_INFO "RSP: %016lx EFLAGS: %08lx\n", PT_REGS_SP(regs),
PT_REGS_EFLAGS(regs));
printk(KERN_INFO "RAX: %016lx RBX: %016lx RCX: %016lx\n",
diff --git a/arch/x86/um/vdso/Makefile b/arch/x86/um/vdso/Makefile
index 5943387e3f35..8c0396fd0e6f 100644
--- a/arch/x86/um/vdso/Makefile
+++ b/arch/x86/um/vdso/Makefile
@@ -3,6 +3,9 @@
# Building vDSO images for x86.
#
+# do not instrument on vdso because KASAN is not compatible with user mode
+KASAN_SANITIZE := n
+
# Prevents link failures: __sanitizer_cov_trace_pc() is not linked in.
KCOV_INSTRUMENT := n