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| author | Kimplul <kimi.h.kuparinen@gmail.com> | 2023-07-27 20:29:28 +0300 |
|---|---|---|
| committer | Kimplul <kimi.h.kuparinen@gmail.com> | 2023-07-27 20:29:28 +0300 |
| commit | 3212707a9ab549119ad0ad6441a07fe774c99f3b (patch) | |
| tree | 9df1e69c92dabfea37202008f77f8a100c0a7de4 /common/uapi/cap.c | |
| parent | a26fb216729ba7a7d0fbfc97c2082c9db512aa36 (diff) | |
| download | kmi-3212707a9ab549119ad0ad6441a07fe774c99f3b.tar.gz kmi-3212707a9ab549119ad0ad6441a07fe774c99f3b.zip | |
use nifty variable argument count trick
+ Found it in newlib. This allows the compiler to more effectively
optimize away unnecessary register operations. Applied to both kernel
and init.c for a slight speed increase.
I really should move init.c to some other repository though, the
binary files are starting to get annoying
Diffstat (limited to 'common/uapi/cap.c')
| -rw-r--r-- | common/uapi/cap.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/common/uapi/cap.c b/common/uapi/cap.c index 825022a..157ef47 100644 --- a/common/uapi/cap.c +++ b/common/uapi/cap.c @@ -42,14 +42,14 @@ SYSCALL_DEFINE3(set_cap)(struct tcb *t, sys_arg_t tid, sys_arg_t off, sys_arg_t caps) { if (!is_set(t->caps, CAP_CAPS)) - return_args(t, SYS_RET1(ERR_PERM)); + return_args1(t, ERR_PERM); capflags_t *c; if (!(c = __get_tcb_caps(tid, off))) - return_args(t, SYS_RET1(ERR_INVAL)); + return_args1(t, ERR_INVAL); set_caps(*c, off, caps); - return_args(t, SYS_RET1(OK)); + return_args1(t, OK); } /** @@ -64,9 +64,9 @@ SYSCALL_DEFINE2(get_cap)(struct tcb *t, sys_arg_t tid, sys_arg_t off) { capflags_t *c; if (!(c = __get_tcb_caps(tid, off))) - return_args(t, SYS_RET1(ERR_INVAL)); + return_args1(t, ERR_INVAL); - return_args(t, SYS_RET2(OK, get_caps(*c, off))); + return_args2(t, OK, get_caps(*c, off)); } /** @@ -83,12 +83,12 @@ SYSCALL_DEFINE3(clear_cap)(struct tcb *t, sys_arg_t tid, sys_arg_t off, sys_arg_t caps) { if (!is_set(t->caps, CAP_CAPS)) - return_args(t, SYS_RET1(ERR_PERM)); + return_args1(t, ERR_PERM); capflags_t *c; if (!(c = __get_tcb_caps(tid, off))) - return_args(t, SYS_RET1(ERR_INVAL)); + return_args1(t, ERR_INVAL); clear_caps(*c, off, caps); - return_args(t, SYS_RET1(OK)); + return_args1(t, OK); } |