git.openwrt.org Git - openwrt/staging/blogic.git/commit

author	Helge Deller <deller@gmx.de>
	Wed, 30 Mar 2016 12:14:31 +0000 (14:14 +0200)
committer	Helge Deller <deller@gmx.de>
	Thu, 31 Mar 2016 10:28:38 +0000 (12:28 +0200)
commit	910cd32e552ea09caa89cdbe328e468979b030dd
tree	02cc8c1d9d0202d76f988ae242ccbc328a8e43cd	tree \| snapshot
parent	4f4acc9472e54ce702f1d85fc9e6d57767dec91f	commit \| diff

parisc: Fix and enable seccomp filter support

The seccomp filter support requires careful handling of task registers. This
includes reloading of the return value (%r28) and proper syscall exit if
secure_computing() returned -1.

Additionally we need to sign-extend the syscall number from signed 32bit to
signed 64bit in do_syscall_trace_enter() since the ptrace interface only allows
storing 32bit values in compat mode.

Signed-off-by: Helge Deller <deller@gmx.de>
Cc: stable@vger.kernel.org # v4.5

arch/parisc/Kconfig		diff \| blob \| history
arch/parisc/include/asm/syscall.h		diff \| blob \| history
arch/parisc/kernel/ptrace.c		diff \| blob \| history
arch/parisc/kernel/syscall.S		diff \| blob \| history