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On x86_64, there's no socketcall syscall; instead all of the socket calls are real syscalls. For 32-bit programs, we're stuck offering the socketcall syscall, but it would be nice to expose the direct calls as well. This will enable seccomp to filter socket calls (for new userspace only, but that's fine for some applications) and it will provide a tiny performance boost. Signed-off-by: Andy Lutomirski <luto@kernel.org> Cc: Alexander Larsson <alexl@redhat.com> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Cosimo Cecchi <cosimo@endlessm.com> Cc: Dan Nicholson <nicholson@endlessm.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Rajalakshmi Srinivasaraghavan <raji@linux.vnet.ibm.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com> Cc: libc-alpha <libc-alpha@sourceware.org> Link: http://lkml.kernel.org/r/cb5138299d37d5800e2d135b01a7667fa6115854.1436912629.git.luto@kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org> |
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| .. | ||
| syscalls | ||
| vdso | ||
| vsyscall | ||
| calling.h | ||
| common.c | ||
| entry_32.S | ||
| entry_64_compat.S | ||
| entry_64.S | ||
| Makefile | ||
| syscall_32.c | ||
| syscall_64.c | ||
| thunk_32.S | ||
| thunk_64.S | ||