From: Alexei Starovoitov <ast@plumgrid.com>
To: "David S. Miller" <davem@davemloft.net>
Cc: Ingo Molnar <mingo@kernel.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
Andy Lutomirski <luto@amacapital.net>,
Daniel Borkmann <dborkman@redhat.com>,
Hannes Frederic Sowa <hannes@stressinduktion.org>,
Chema Gonzalez <chema@google.com>,
Eric Dumazet <edumazet@google.com>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Pablo Neira Ayuso <pablo@netfilter.org>,
"H. Peter Anvin" <hpa@zytor.com>,
Andrew Morton <akpm@linux-foundation.org>,
Kees Cook <keescook@chromium.org>,
linux-api@vger.kernel.org, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: [PATCH v14 net-next 02/11] bpf: enable bpf syscall on x64 and i386
Date: Sun, 21 Sep 2014 17:06:42 -0700 [thread overview]
Message-ID: <1411344411-3824-3-git-send-email-ast@plumgrid.com> (raw)
In-Reply-To: <1411344411-3824-1-git-send-email-ast@plumgrid.com>
done as separate commit to ease conflict resolution
Signed-off-by: Alexei Starovoitov <ast@plumgrid.com>
---
arch/x86/syscalls/syscall_32.tbl | 1 +
arch/x86/syscalls/syscall_64.tbl | 1 +
include/linux/syscalls.h | 3 ++-
include/uapi/asm-generic/unistd.h | 4 +++-
kernel/sys_ni.c | 3 +++
5 files changed, 10 insertions(+), 2 deletions(-)
diff --git a/arch/x86/syscalls/syscall_32.tbl b/arch/x86/syscalls/syscall_32.tbl
index 028b78168d85..9fe1b5d002f0 100644
--- a/arch/x86/syscalls/syscall_32.tbl
+++ b/arch/x86/syscalls/syscall_32.tbl
@@ -363,3 +363,4 @@
354 i386 seccomp sys_seccomp
355 i386 getrandom sys_getrandom
356 i386 memfd_create sys_memfd_create
+357 i386 bpf sys_bpf
diff --git a/arch/x86/syscalls/syscall_64.tbl b/arch/x86/syscalls/syscall_64.tbl
index 35dd922727b9..281150b539a2 100644
--- a/arch/x86/syscalls/syscall_64.tbl
+++ b/arch/x86/syscalls/syscall_64.tbl
@@ -327,6 +327,7 @@
318 common getrandom sys_getrandom
319 common memfd_create sys_memfd_create
320 common kexec_file_load sys_kexec_file_load
+321 common bpf sys_bpf
#
# x32-specific system call numbers start at 512 to avoid cache impact
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index 0f86d85a9ce4..bda9b81357cc 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -65,6 +65,7 @@ struct old_linux_dirent;
struct perf_event_attr;
struct file_handle;
struct sigaltstack;
+union bpf_attr;
#include <linux/types.h>
#include <linux/aio_abi.h>
@@ -875,5 +876,5 @@ asmlinkage long sys_seccomp(unsigned int op, unsigned int flags,
const char __user *uargs);
asmlinkage long sys_getrandom(char __user *buf, size_t count,
unsigned int flags);
-
+asmlinkage long sys_bpf(int cmd, union bpf_attr *attr, unsigned int size);
#endif
diff --git a/include/uapi/asm-generic/unistd.h b/include/uapi/asm-generic/unistd.h
index 11d11bc5c78f..22749c134117 100644
--- a/include/uapi/asm-generic/unistd.h
+++ b/include/uapi/asm-generic/unistd.h
@@ -705,9 +705,11 @@ __SYSCALL(__NR_seccomp, sys_seccomp)
__SYSCALL(__NR_getrandom, sys_getrandom)
#define __NR_memfd_create 279
__SYSCALL(__NR_memfd_create, sys_memfd_create)
+#define __NR_bpf 280
+__SYSCALL(__NR_bpf, sys_bpf)
#undef __NR_syscalls
-#define __NR_syscalls 280
+#define __NR_syscalls 281
/*
* All syscalls below here should go away really,
diff --git a/kernel/sys_ni.c b/kernel/sys_ni.c
index 391d4ddb6f4b..b4b5083f5f5e 100644
--- a/kernel/sys_ni.c
+++ b/kernel/sys_ni.c
@@ -218,3 +218,6 @@ cond_syscall(sys_kcmp);
/* operate on Secure Computing state */
cond_syscall(sys_seccomp);
+
+/* access BPF programs and maps */
+cond_syscall(sys_bpf);
--
1.7.9.5
next prev parent reply other threads:[~2014-09-22 0:06 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-22 0:06 [PATCH v14 net-next 00/11] eBPF syscall, verifier, testsuite Alexei Starovoitov
2014-09-22 0:06 ` [PATCH v14 net-next 01/11] bpf: introduce BPF syscall and maps Alexei Starovoitov
2014-09-22 0:06 ` Alexei Starovoitov [this message]
2014-09-22 0:06 ` [PATCH v14 net-next 03/11] bpf: add lookup/update/delete/iterate methods to BPF maps Alexei Starovoitov
2014-09-22 0:06 ` [PATCH v14 net-next 04/11] bpf: expand BPF syscall with program load/unload Alexei Starovoitov
2014-09-22 0:06 ` [PATCH v14 net-next 05/11] bpf: handle pseudo BPF_CALL insn Alexei Starovoitov
2014-09-22 0:06 ` [PATCH v14 net-next 06/11] bpf: verifier (add docs) Alexei Starovoitov
2014-09-22 0:06 ` [PATCH v14 net-next 07/11] bpf: verifier (add ability to receive verification log) Alexei Starovoitov
2014-09-22 0:06 ` [PATCH v14 net-next 08/11] bpf: handle pseudo BPF_LD_IMM64 insn Alexei Starovoitov
2014-09-22 0:06 ` [PATCH v14 net-next 09/11] bpf: verifier (add branch/goto checks) Alexei Starovoitov
2014-09-22 0:06 ` [PATCH v14 net-next 10/11] bpf: verifier (add verifier core) Alexei Starovoitov
[not found] ` <1411344411-3824-11-git-send-email-ast-uqk4Ao+rVK5Wk0Htik3J/w@public.gmane.org>
2014-09-26 4:40 ` David Miller
[not found] ` <20140926.004024.1179261758092351350.davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>
2014-09-26 5:11 ` Alexei Starovoitov
2014-09-22 0:06 ` [PATCH v14 net-next 11/11] bpf: mini eBPF library, test stubs and verifier testsuite Alexei Starovoitov
[not found] ` <1411344411-3824-1-git-send-email-ast-uqk4Ao+rVK5Wk0Htik3J/w@public.gmane.org>
2014-09-22 19:57 ` [PATCH v14 net-next 00/11] eBPF syscall, verifier, testsuite Daniel Borkmann
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