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Merge remote-tracking branch 'remotes/otubo/tags/pull-seccomp-20151116' into staging

seccomp branch queue

# gpg: Signature made Mon 16 Nov 2015 08:50:28 GMT using RSA key ID 12F8BD2F
# gpg: Good signature from "Eduardo Otubo (Software Engineer @ ProfitBricks) <eduardo.otubo@profitbricks.com>"
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 1C96 46B6 E1D1 C38A F2EC  3FDE FD0C FF5B 12F8 BD2F

* remotes/otubo/tags/pull-seccomp-20151116:
  seccomp: loosen library version dependency
  configure: arm/aarch64: allow enable-seccomp
  seccomp: add cacheflush to whitelist

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2015-11-16 12:09:47 +00:00
commit c257779e2a
2 changed files with 37 additions and 8 deletions
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32
configure vendored
View File

@ -1888,16 +1888,34 @@ fi
# libseccomp check
if test "$seccomp" != "no" ; then
if test "$cpu" = "i386" || test "$cpu" = "x86_64" &&
$pkg_config --atleast-version=2.1.1 libseccomp; then
case "$cpu" in
i386|x86_64)
libseccomp_minver="2.1.0"
;;
arm|aarch64)
libseccomp_minver="2.2.3"
;;
*)
libseccomp_minver=""
;;
esac
if test "$libseccomp_minver" != "" &&
$pkg_config --atleast-version=$libseccomp_minver libseccomp ; then
libs_softmmu="$libs_softmmu `$pkg_config --libs libseccomp`"
QEMU_CFLAGS="$QEMU_CFLAGS `$pkg_config --cflags libseccomp`"
seccomp="yes"
seccomp="yes"
else
if test "$seccomp" = "yes"; then
feature_not_found "libseccomp" "Install libseccomp devel >= 2.1.1"
fi
seccomp="no"
if test "$seccomp" = "yes" ; then
if test "$libseccomp_minver" != "" ; then
feature_not_found "libseccomp" \
"Install libseccomp devel >= $libseccomp_minver"
else
feature_not_found "libseccomp" \
"libseccomp is not supported for host cpu $cpu"
fi
fi
seccomp="no"
fi
fi
##########################################

13
qemu-seccomp.c
View File

@ -16,6 +16,14 @@
#include <seccomp.h>
#include "sysemu/seccomp.h"
#if SCMP_VER_MAJOR >= 3
#define HAVE_CACHEFLUSH
#elif SCMP_VER_MAJOR == 2 && SCMP_VER_MINOR >= 3
#define HAVE_CACHEFLUSH
#elif SCMP_VER_MAJOR == 2 && SCMP_VER_MINOR == 2 && SCMP_VER_MICRO >= 3
#define HAVE_CACHEFLUSH
#endif
struct QemuSeccompSyscall {
int32_t num;
uint8_t priority;
@ -238,7 +246,10 @@ static const struct QemuSeccompSyscall seccomp_whitelist[] = {
{ SCMP_SYS(inotify_init1), 240 },
{ SCMP_SYS(inotify_add_watch), 240 },
{ SCMP_SYS(mbind), 240 },
{ SCMP_SYS(memfd_create), 240 }
{ SCMP_SYS(memfd_create), 240 },
#ifdef HAVE_CACHEFLUSH
{ SCMP_SYS(cacheflush), 240 },
#endif
};
int seccomp_start(void)