From: Bodo Stroesser <[email protected]>
Add new cmdline setups:
- noprocmm
- noptracefaultinfo
In case of testing, they can be used to switch off usage of
/proc/mm and PTRACE_FAULTINFO independently.
Signed-off-by: Bodo Stroesser <[email protected]>
Signed-off-by: Jeff Dike <[email protected]>
Index: test/arch/um/os-Linux/start_up.c
===================================================================
--- test.orig/arch/um/os-Linux/start_up.c 2005-09-01 16:42:42.000000000 -0400
+++ test/arch/um/os-Linux/start_up.c 2005-09-01 16:51:23.000000000 -0400
@@ -275,6 +275,30 @@
check_ptrace();
}
+static int __init noprocmm_cmd_param(char *str, int* add)
+{
+ proc_mm = 0;
+ return 0;
+}
+
+__uml_setup("noprocmm", noprocmm_cmd_param,
+"noprocmm\n"
+" Turns off usage of /proc/mm, even if host supports it.\n"
+" To support /proc/mm, the host needs to be patched using\n"
+" the current skas3 patch.\n\n");
+
+static int __init noptracefaultinfo_cmd_param(char *str, int* add)
+{
+ ptrace_faultinfo = 0;
+ return 0;
+}
+
+__uml_setup("noptracefaultinfo", noptracefaultinfo_cmd_param,
+"noptracefaultinfo\n"
+" Turns off usage of PTRACE_FAULTINFO, even if host supports\n"
+" it. To support PTRACE_FAULTINFO, the host needs to be patched\n"
+" using the current skas3 patch.\n\n");
+
#ifdef UML_CONFIG_MODE_SKAS
static inline void check_skas3_ptrace_support(void)
{
-
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