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| author | Vivek Goyal <vgoyal@redhat.com> | 2014-08-08 14:25:55 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-08-08 15:57:32 -0700 |
| commit | f0895685c7fd8c938c91a9d8a6f7c11f22df58d2 (patch) | |
| tree | ee4ddc38c68addf2e0c0ed77f6be53e2521c93e6 /kernel/kexec.c | |
| parent | 815d5704a337a662bf960757edbff7a0680d40fd (diff) | |
| download | lwn-f0895685c7fd8c938c91a9d8a6f7c11f22df58d2.tar.gz lwn-f0895685c7fd8c938c91a9d8a6f7c11f22df58d2.zip | |
kexec: new syscall kexec_file_load() declaration
This is the new syscall kexec_file_load() declaration/interface. I have
reserved the syscall number only for x86_64 so far. Other architectures
(including i386) can reserve syscall number when they enable the support
for this new syscall.
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
Cc: Michael Kerrisk <mtk.manpages@gmail.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Eric Biederman <ebiederm@xmission.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Matthew Garrett <mjg59@srcf.ucam.org>
Cc: Greg Kroah-Hartman <greg@kroah.com>
Cc: Dave Young <dyoung@redhat.com>
Cc: WANG Chao <chaowang@redhat.com>
Cc: Baoquan He <bhe@redhat.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/kexec.c')
| -rw-r--r-- | kernel/kexec.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/kernel/kexec.c b/kernel/kexec.c index bfdda316697d..ec4386c1b94f 100644 --- a/kernel/kexec.c +++ b/kernel/kexec.c @@ -1058,6 +1058,13 @@ COMPAT_SYSCALL_DEFINE4(kexec_load, compat_ulong_t, entry, } #endif +SYSCALL_DEFINE5(kexec_file_load, int, kernel_fd, int, initrd_fd, + unsigned long, cmdline_len, const char __user *, cmdline_ptr, + unsigned long, flags) +{ + return -ENOSYS; +} + void crash_kexec(struct pt_regs *regs) { /* Take the kexec_mutex here to prevent sys_kexec_load |