This one too.
Serge E. Hallyn wrote:
> and get logfd from the right register (di is 5th arg)
>
> With this patch on top of Oren's dec 6 patches, and my own patch from
> earlier today, cr_tests pass on x86-32.
>
> I will probably push these to cr-next tomorrow along with the needed
> accompanying s390 and powerpc (from Nathan) changes.
>
> Signed-off-by: Serge E. Hallyn <se...@us.ibm.com>
> ---
> arch/x86/kernel/checkpoint_32.c | 20 +++++++++++++++++++-
> 1 files changed, 19 insertions(+), 1 deletions(-)
>
> diff --git a/arch/x86/kernel/checkpoint_32.c b/arch/x86/kernel/checkpoint_32.c
> index d5ea6a0..3ce9a81 100644
> --- a/arch/x86/kernel/checkpoint_32.c
> +++ b/arch/x86/kernel/checkpoint_32.c
> @@ -19,6 +19,24 @@
> #include <linux/checkpoint_hdr.h>
>
> /*
> + * sys_checkpoint needs to be a ptregscall if sys_restart is
> + * one so self-checkpoint images can be restarted.
> + */
> +long sys_checkpoint(struct pt_regs *regs)
> +{
> + unsigned long flags;
> + int fd, logfd;
> + pid_t pid;
> +
> + pid = regs->bx;
> + fd = regs->cx;
> + flags = regs->dx;
> + logfd = regs->si;
> +
> + return do_sys_checkpoint(pid, fd, flags, logfd);
> +}
> +
> +/*
> * sys_restart needs to access and modify the pt_regs structure to
> * restore the original state from the time of the checkpoint.
> */
> @@ -31,7 +49,7 @@ long sys_restart(struct pt_regs *regs)
> pid = regs->bx;
> fd = regs->cx;
> flags = regs->dx;
> - logfd = regs->di;
> + logfd = regs->si;
>
> return do_sys_restart(pid, fd, flags, logfd);
> }
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