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| author | Gabriel Krisman Bertazi <krisman@collabora.com> | 2020-11-16 12:42:05 -0500 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2020-11-16 21:53:16 +0100 |
| commit | 2991552447707d791d9d81a5dc161f9e9e90b163 (patch) | |
| tree | fe3bfcd05ede91fcf00c1eb00ed3eaadc3886ac2 /include/linux/entry-common.h | |
| parent | 785dc4eb7fd74e3b7f4eac468457b633117e1aea (diff) | |
| download | lwn-2991552447707d791d9d81a5dc161f9e9e90b163.tar.gz lwn-2991552447707d791d9d81a5dc161f9e9e90b163.zip | |
entry: Drop usage of TIF flags in the generic syscall code
Now that the flags migration in the common syscall entry code is complete
and the code relies exclusively on thread_info::syscall_work, clean up the
accesses to TI flags in that path.
Signed-off-by: Gabriel Krisman Bertazi <krisman@collabora.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Andy Lutomirski <luto@kernel.org>
Link: https://lore.kernel.org/r/20201116174206.2639648-10-krisman@collabora.com
Diffstat (limited to 'include/linux/entry-common.h')
| -rw-r--r-- | include/linux/entry-common.h | 26 |
1 files changed, 12 insertions, 14 deletions
diff --git a/include/linux/entry-common.h b/include/linux/entry-common.h index d7b96f42817f..49b26b216e4e 100644 --- a/include/linux/entry-common.h +++ b/include/linux/entry-common.h @@ -26,31 +26,29 @@ #endif /* - * TIF flags handled in syscall_enter_from_user_mode() + * SYSCALL_WORK flags handled in syscall_enter_from_user_mode() */ -#ifndef ARCH_SYSCALL_ENTER_WORK -# define ARCH_SYSCALL_ENTER_WORK (0) +#ifndef ARCH_SYSCALL_WORK_ENTER +# define ARCH_SYSCALL_WORK_ENTER (0) #endif -#define SYSCALL_ENTER_WORK ARCH_SYSCALL_ENTER_WORK - /* - * TIF flags handled in syscall_exit_to_user_mode() + * SYSCALL_WORK flags handled in syscall_exit_to_user_mode() */ -#ifndef ARCH_SYSCALL_EXIT_WORK -# define ARCH_SYSCALL_EXIT_WORK (0) +#ifndef ARCH_SYSCALL_WORK_EXIT +# define ARCH_SYSCALL_WORK_EXIT (0) #endif -#define SYSCALL_EXIT_WORK ARCH_SYSCALL_EXIT_WORK - #define SYSCALL_WORK_ENTER (SYSCALL_WORK_SECCOMP | \ SYSCALL_WORK_SYSCALL_TRACEPOINT | \ SYSCALL_WORK_SYSCALL_TRACE | \ SYSCALL_WORK_SYSCALL_EMU | \ - SYSCALL_WORK_SYSCALL_AUDIT) + SYSCALL_WORK_SYSCALL_AUDIT | \ + ARCH_SYSCALL_WORK_ENTER) #define SYSCALL_WORK_EXIT (SYSCALL_WORK_SYSCALL_TRACEPOINT | \ SYSCALL_WORK_SYSCALL_TRACE | \ - SYSCALL_WORK_SYSCALL_AUDIT) + SYSCALL_WORK_SYSCALL_AUDIT | \ + ARCH_SYSCALL_WORK_EXIT) /* * TIF flags handled in exit_to_user_mode_loop() @@ -136,8 +134,8 @@ void syscall_enter_from_user_mode_prepare(struct pt_regs *regs); * * It handles the following work items: * - * 1) TIF flag dependent invocations of arch_syscall_enter_tracehook(), - * __secure_computing(), trace_sys_enter() + * 1) syscall_work flag dependent invocations of + * arch_syscall_enter_tracehook(), __secure_computing(), trace_sys_enter() * 2) Invocation of audit_syscall_entry() */ long syscall_enter_from_user_mode_work(struct pt_regs *regs, long syscall); |