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authorIngo Molnar <mingo@elte.hu>2009-03-13 01:33:21 +0100
committerIngo Molnar <mingo@elte.hu>2009-03-13 01:33:21 +0100
commit480c93df5b99699390f93a7024c9f60d09da0e96 (patch)
treeb93b6c8c71c5f2e716dd05b126e01ef4e20ff0af /arch/um
parentaecfcde920da8d32949f6cbbc1fc051b4ef9e7be (diff)
parentd820ac4c2fa881079e6b689d2098adce337558ae (diff)
Merge branch 'core/locking' into tracing/ftrace
Diffstat (limited to 'arch/um')
-rw-r--r--arch/um/kernel/ptrace.c5
-rw-r--r--arch/um/os-Linux/user_syms.c5
2 files changed, 9 insertions, 1 deletions
diff --git a/arch/um/kernel/ptrace.c b/arch/um/kernel/ptrace.c
index 15e8b7c4de13..8e3d69e4fcb5 100644
--- a/arch/um/kernel/ptrace.c
+++ b/arch/um/kernel/ptrace.c
@@ -64,6 +64,11 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
ret = poke_user(child, addr, data);
break;
+ case PTRACE_SYSEMU:
+ case PTRACE_SYSEMU_SINGLESTEP:
+ ret = -EIO;
+ break;
+
/* continue and stop at next (return from) syscall */
case PTRACE_SYSCALL:
/* restart after signal. */
diff --git a/arch/um/os-Linux/user_syms.c b/arch/um/os-Linux/user_syms.c
index 74f49bb9b125..89b48a116a89 100644
--- a/arch/um/os-Linux/user_syms.c
+++ b/arch/um/os-Linux/user_syms.c
@@ -14,7 +14,6 @@
#undef memset
extern size_t strlen(const char *);
-extern void *memcpy(void *, const void *, size_t);
extern void *memmove(void *, const void *, size_t);
extern void *memset(void *, int, size_t);
extern int printf(const char *, ...);
@@ -24,7 +23,11 @@ extern int printf(const char *, ...);
EXPORT_SYMBOL(strstr);
#endif
+#ifndef __x86_64__
+extern void *memcpy(void *, const void *, size_t);
EXPORT_SYMBOL(memcpy);
+#endif
+
EXPORT_SYMBOL(memmove);
EXPORT_SYMBOL(memset);
EXPORT_SYMBOL(printf);