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678ddf730a
To keep perf building in systems where types and defines used in this
new benchmark are not available, such as:
12 13.46 centos:stream : FAIL gcc version 8.5.0 20210514 (Red Hat 8.5.0-20) (GCC)
bench/sched-seccomp-notify.c: In function 'user_notif_syscall':
bench/sched-seccomp-notify.c:55:27: error: 'SECCOMP_RET_USER_NOTIF' undeclared (first use in this function); did you mean 'SECCOMP_RET_ERRNO'?
BPF_STMT(BPF_RET|BPF_K, SECCOMP_RET_USER_NOTIF),
^~~~~~~~~~~~~~~~~~~~~~
/git/perf-6.6.0-rc1/tools/include/uapi/linux/filter.h:49:59: note: in definition of macro 'BPF_STMT'
#define BPF_STMT(code, k) { (unsigned short)(code), 0, 0, k }
^
bench/sched-seccomp-notify.c:55:27: note: each undeclared identifier is reported only once for each function it appears in
BPF_STMT(BPF_RET|BPF_K, SECCOMP_RET_USER_NOTIF),
^~~~~~~~~~~~~~~~~~~~~~
/git/perf-6.6.0-rc1/tools/include/uapi/linux/filter.h:49:59: note: in definition of macro 'BPF_STMT'
#define BPF_STMT(code, k) { (unsigned short)(code), 0, 0, k }
^
bench/sched-seccomp-notify.c:55:3: error: missing initializer for field 'k' of 'struct sock_filter' [-Werror=missing-field-initializers]
BPF_STMT(BPF_RET|BPF_K, SECCOMP_RET_USER_NOTIF),
^~~~~~~~
In file included from bench/sched-seccomp-notify.c:5:
/git/perf-6.6.0-rc1/tools/include/uapi/linux/filter.h:28:8: note: 'k' declared here
__u32 k; /* Generic multiuse field */
^
bench/sched-seccomp-notify.c: In function 'user_notification_sync_loop':
bench/sched-seccomp-notify.c:70:28: error: storage size of 'resp' isn't known
struct seccomp_notif_resp resp;
^~~~
bench/sched-seccomp-notify.c:71:23: error: storage size of 'req' isn't known
struct seccomp_notif req;
^~~
bench/sched-seccomp-notify.c:76:23: error: 'SECCOMP_IOCTL_NOTIF_RECV' undeclared (first use in this function); did you mean 'SECCOMP_MODE_STRICT'?
if (ioctl(listener, SECCOMP_IOCTL_NOTIF_RECV, &req))
^~~~~~~~~~~~~~~~~~~~~~~~
SECCOMP_MODE_STRICT
bench/sched-seccomp-notify.c:86:23: error: 'SECCOMP_IOCTL_NOTIF_SEND' undeclared (first use in this function); did you mean 'SECCOMP_RET_ACTION'?
if (ioctl(listener, SECCOMP_IOCTL_NOTIF_SEND, &resp))
^~~~~~~~~~~~~~~~~~~~~~~~
SECCOMP_RET_ACTION
bench/sched-seccomp-notify.c:71:23: error: unused variable 'req' [-Werror=unused-variable]
struct seccomp_notif req;
^~~
bench/sched-seccomp-notify.c:70:28: error: unused variable 'resp' [-Werror=unused-variable]
struct seccomp_notif_resp resp;
^~~~
14 11.31 debian:10 : FAIL gcc version 8.3.0 (Debian 8.3.0-6)
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andrei Vagin <avagin@google.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kees Kook <keescook@chromium.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/lkml/ZQGhjaojgOGtSNk6@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.