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authorTony Luck <tony.luck@intel.com>2005-10-20 10:41:44 -0700
committerTony Luck <tony.luck@intel.com>2005-10-20 10:41:44 -0700
commit9cec58dc138d6fcad9f447a19c8ff69f6540e667 (patch)
tree4fe1cca94fdba8b705c87615bee06d3346f687ce /arch/um/include/sysdep-i386/sigcontext.h
parent17e5ad6c0ce5a970e2830d0de8bdd60a2f077d38 (diff)
parentac9b9c667c2e1194e22ebe0a441ae1c37aaa9b90 (diff)
downloadblackbird-op-linux-9cec58dc138d6fcad9f447a19c8ff69f6540e667.tar.gz
blackbird-op-linux-9cec58dc138d6fcad9f447a19c8ff69f6540e667.zip
Update from upstream with manual merge of Yasunori Goto's
changes to swiotlb.c made in commit 281dd25cdc0d6903929b79183816d151ea626341 since this file has been moved from arch/ia64/lib/swiotlb.c to lib/swiotlb.c Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'arch/um/include/sysdep-i386/sigcontext.h')
-rw-r--r--arch/um/include/sysdep-i386/sigcontext.h10
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/um/include/sysdep-i386/sigcontext.h b/arch/um/include/sysdep-i386/sigcontext.h
index 1fe729265167..23fd2644d7ed 100644
--- a/arch/um/include/sysdep-i386/sigcontext.h
+++ b/arch/um/include/sysdep-i386/sigcontext.h
@@ -6,6 +6,7 @@
#ifndef __SYS_SIGCONTEXT_I386_H
#define __SYS_SIGCONTEXT_I386_H
+#include "uml-config.h"
#include <sysdep/sc.h>
#define IP_RESTART_SYSCALL(ip) ((ip) -= 2)
@@ -26,7 +27,14 @@
#define SC_START_SYSCALL(sc) do SC_EAX(sc) = -ENOSYS; while(0)
/* This is Page Fault */
-#define SEGV_IS_FIXABLE(fi) ((fi)->trap_no == 14)
+#define SEGV_IS_FIXABLE(fi) ((fi)->trap_no == 14)
+
+/* SKAS3 has no trap_no on i386, but get_skas_faultinfo() sets it to 0. */
+#ifdef UML_CONFIG_MODE_SKAS
+#define SEGV_MAYBE_FIXABLE(fi) ((fi)->trap_no == 0 && ptrace_faultinfo)
+#else
+#define SEGV_MAYBE_FIXABLE(fi) 0
+#endif
extern unsigned long *sc_sigmask(void *sc_ptr);
extern int sc_get_fpregs(unsigned long buf, void *sc_ptr);
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