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seccomp: revert previous patches in prep for updated ones

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This reverts the seccomp related patches committed around 2014-08-27.
This allows for a cleaner cherry-pick of newly landed upstream patches.

 f56b1aa arm: fixup NR_syscalls to accommodate the new seccomp syscall
 81ff7fa seccomp: implement SECCOMP_FILTER_FLAG_TSYNC
 d924727 seccomp: allow mode setting across threads
 743266a seccomp: introduce writer locking
 3497a88 seccomp: split filter prep from check and apply
 2c6d7de MIPS: add seccomp syscall
 83f1ccba ARM: add seccomp syscall
 a75a29b seccomp: add "seccomp" syscall
 1a63bce seccomp: split mode setting routines
 c208e4e seccomp: extract check/assign mode helpers
 6862b01 seccomp: create internal mode-setting function
 1ba2ccb MAINTAINERS: create seccomp entry
 c2da3eb seccomp: fix memory leak on filter attach
 945a225 ARM: 7888/1: seccomp: not compatible with ARM OABI

Change-Id: I3f129263d68a7b3c206d79f84f7f9908d13064f6
Signed-off-by: JP Abgrall <jpa@google.com>
This commit is contained in:
JP Abgrall
2014-09-17 15:01:45 -07:00
parent 8fdfc481c8
commit 4149e0de6d
21 changed files with 83 additions and 544 deletions
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12
include/uapi/asm-generic/unistd.h
View File

@@ -692,19 +692,9 @@ __SC_COMP(__NR_process_vm_writev, sys_process_vm_writev, \
__SYSCALL(__NR_kcmp, sys_kcmp)
#define __NR_finit_module 273
__SYSCALL(__NR_finit_module, sys_finit_module)
/* Backporting seccomp, skip a few ...
* #define __NR_sched_setattr 274
__SYSCALL(__NR_sched_setattr, sys_sched_setattr)
* #define __NR_sched_getattr 275
__SYSCALL(__NR_sched_getattr, sys_sched_getattr)
* #define __NR_renameat2 276
__SYSCALL(__NR_renameat2, sys_renameat2)
*/
#define __NR_seccomp 277
__SYSCALL(__NR_seccomp, sys_seccomp)
#undef __NR_syscalls
#define __NR_syscalls 278
#define __NR_syscalls 274
/*
* All syscalls below here should go away really,

7
include/uapi/linux/seccomp.h
View File

@@ -10,13 +10,6 @@
#define SECCOMP_MODE_STRICT 1 /* uses hard-coded filter. */
#define SECCOMP_MODE_FILTER 2 /* uses user-supplied filter. */
/* Valid operations for seccomp syscall. */
#define SECCOMP_SET_MODE_STRICT 0
#define SECCOMP_SET_MODE_FILTER 1
/* Valid flags for SECCOMP_SET_MODE_FILTER */
#define SECCOMP_FILTER_FLAG_TSYNC 1
/*
* All BPF programs must return a 32-bit value.
* The bottom 16-bits are for optional return data.