On Wed, Jul 20, 2016 at 11:41:35AM +, David Laight wrote:
> From: Dave Young
> > I do not think it is worth to add another syscall for extra fds.
> > We have open(2) as an example for different numbers of arguments
> > already.
>
> Probably works 'by luck' and no one has actually thought about
From: Dave Young
> On 07/15/16 at 02:19pm, Mark Rutland wrote:
> > On Fri, Jul 15, 2016 at 09:09:55AM -0400, Vivek Goyal wrote:
> > > On Tue, Jul 12, 2016 at 10:42:01AM +0900, AKASHI Takahiro wrote:
> > >
> > > [..]
> > > > -SYSCALL_DEFINE5(kexec_file_load, int, kernel_fd, int, initrd_fd,
> > > > +
On Tue, Jul 19, 2016 at 01:47:28PM +0100, Mark Rutland wrote:
> On Tue, Jul 19, 2016 at 08:24:06AM -0400, Vivek Goyal wrote:
> > On Tue, Jul 19, 2016 at 11:52:00AM +0100, Mark Rutland wrote:
> > > Regardless, this extended syscall changes some underlying assumptions
> > > made with the development
On Tue, Jul 19, 2016 at 08:24:06AM -0400, Vivek Goyal wrote:
> On Tue, Jul 19, 2016 at 11:52:00AM +0100, Mark Rutland wrote:
> > Regardless, this extended syscall changes some underlying assumptions
> > made with the development of kexec_file_load, and I think treating this
> > as an extension is n
On Tue, Jul 19, 2016 at 11:52:00AM +0100, Mark Rutland wrote:
> On Tue, Jul 19, 2016 at 08:55:56AM +0800, Dave Young wrote:
> > On 07/18/16 at 11:07am, Mark Rutland wrote:
> > > On Mon, Jul 18, 2016 at 10:30:24AM +0800, Dave Young wrote:
> > > > I do not think it is worth to add another syscall for
On Tue, Jul 19, 2016 at 08:55:56AM +0800, Dave Young wrote:
> On 07/18/16 at 11:07am, Mark Rutland wrote:
> > On Mon, Jul 18, 2016 at 10:30:24AM +0800, Dave Young wrote:
> > > I do not think it is worth to add another syscall for extra fds.
> > > We have open(2) as an example for different numbers
On 07/18/16 at 11:07am, Mark Rutland wrote:
> On Mon, Jul 18, 2016 at 10:30:24AM +0800, Dave Young wrote:
> > On 07/15/16 at 02:19pm, Mark Rutland wrote:
> > > On Fri, Jul 15, 2016 at 09:09:55AM -0400, Vivek Goyal wrote:
> > > > On Tue, Jul 12, 2016 at 10:42:01AM +0900, AKASHI Takahiro wrote:
> > >
On Mon, Jul 18, 2016 at 10:30:24AM +0800, Dave Young wrote:
> On 07/15/16 at 02:19pm, Mark Rutland wrote:
> > On Fri, Jul 15, 2016 at 09:09:55AM -0400, Vivek Goyal wrote:
> > > On Tue, Jul 12, 2016 at 10:42:01AM +0900, AKASHI Takahiro wrote:
> > >
> > > [..]
> > > > -SYSCALL_DEFINE5(kexec_file_loa
On 07/15/16 at 09:09am, Vivek Goyal wrote:
> On Tue, Jul 12, 2016 at 10:42:01AM +0900, AKASHI Takahiro wrote:
>
> [..]
> > -SYSCALL_DEFINE5(kexec_file_load, int, kernel_fd, int, initrd_fd,
> > +SYSCALL_DEFINE6(kexec_file_load, int, kernel_fd, int, initrd_fd,
> > unsigned long, cmdline_
On 07/15/16 at 02:19pm, Mark Rutland wrote:
> On Fri, Jul 15, 2016 at 09:09:55AM -0400, Vivek Goyal wrote:
> > On Tue, Jul 12, 2016 at 10:42:01AM +0900, AKASHI Takahiro wrote:
> >
> > [..]
> > > -SYSCALL_DEFINE5(kexec_file_load, int, kernel_fd, int, initrd_fd,
> > > +SYSCALL_DEFINE6(kexec_file_loa
On Fri, Jul 15, 2016 at 09:09:55AM -0400, Vivek Goyal wrote:
> On Tue, Jul 12, 2016 at 10:42:01AM +0900, AKASHI Takahiro wrote:
>
> [..]
> > -SYSCALL_DEFINE5(kexec_file_load, int, kernel_fd, int, initrd_fd,
> > +SYSCALL_DEFINE6(kexec_file_load, int, kernel_fd, int, initrd_fd,
> > unsig
On Tue, Jul 12, 2016 at 10:42:01AM +0900, AKASHI Takahiro wrote:
[..]
> -SYSCALL_DEFINE5(kexec_file_load, int, kernel_fd, int, initrd_fd,
> +SYSCALL_DEFINE6(kexec_file_load, int, kernel_fd, int, initrd_fd,
> unsigned long, cmdline_len, const char __user *, cmdline_ptr,
> -
Device tree blob must be passed to a second kernel on DTB-capable
archs, like powerpc and arm64, but the current kernel interface
lacks this support.
This patch extends kexec_file_load system call by adding an extra
argument to this syscall so that an arbitrary number of file descriptors
can be ha
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