diff options
| author | James Morris <james.l.morris@oracle.com> | 2014-01-06 22:23:01 +1100 |
|---|---|---|
| committer | James Morris <james.l.morris@oracle.com> | 2014-01-06 22:23:01 +1100 |
| commit | 38fd2c202a3d82bc12430bce5789fa2c2a406f71 (patch) | |
| tree | a73513dbb015155f5236b391709b9083916b3136 /arch/mips/kernel/ftrace.c | |
| parent | dcf4e392867bf98d50ad108ed7c2bfb941e8c33d (diff) | |
| parent | d6e0a2dd12f4067a5bcefb8bbd8ddbeff800afbc (diff) | |
Merge to v3.13-rc7 for prerequisite changes in the Xen code for TPM
Diffstat (limited to 'arch/mips/kernel/ftrace.c')
| -rw-r--r-- | arch/mips/kernel/ftrace.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/mips/kernel/ftrace.c b/arch/mips/kernel/ftrace.c index dba90ec0dc3..185ba258361 100644 --- a/arch/mips/kernel/ftrace.c +++ b/arch/mips/kernel/ftrace.c @@ -11,11 +11,14 @@ #include <linux/uaccess.h> #include <linux/init.h> #include <linux/ftrace.h> +#include <linux/syscalls.h> #include <asm/asm.h> #include <asm/asm-offsets.h> #include <asm/cacheflush.h> +#include <asm/syscall.h> #include <asm/uasm.h> +#include <asm/unistd.h> #include <asm-generic/sections.h> @@ -364,3 +367,33 @@ out: WARN_ON(1); } #endif /* CONFIG_FUNCTION_GRAPH_TRACER */ + +#ifdef CONFIG_FTRACE_SYSCALLS + +#ifdef CONFIG_32BIT +unsigned long __init arch_syscall_addr(int nr) +{ + return (unsigned long)sys_call_table[nr - __NR_O32_Linux]; +} +#endif + +#ifdef CONFIG_64BIT + +unsigned long __init arch_syscall_addr(int nr) +{ +#ifdef CONFIG_MIPS32_N32 + if (nr >= __NR_N32_Linux && nr <= __NR_N32_Linux + __NR_N32_Linux_syscalls) + return (unsigned long)sysn32_call_table[nr - __NR_N32_Linux]; +#endif + if (nr >= __NR_64_Linux && nr <= __NR_64_Linux + __NR_64_Linux_syscalls) + return (unsigned long)sys_call_table[nr - __NR_64_Linux]; +#ifdef CONFIG_MIPS32_O32 + if (nr >= __NR_O32_Linux && nr <= __NR_O32_Linux + __NR_O32_Linux_syscalls) + return (unsigned long)sys32_call_table[nr - __NR_O32_Linux]; +#endif + + return (unsigned long) &sys_ni_syscall; +} +#endif + +#endif /* CONFIG_FTRACE_SYSCALLS */ |