Re: [PATCH v2 1/4] kexec: simplify compat_sys_kexec_load

From: Christoph Hellwig
Date: Tue Nov 03 2020 - 03:35:42 EST


> + for (i=0; i < nr_segments; i++) {

Missing spaces around the "=".

> +SYSCALL_DEFINE4(kexec_load, unsigned long, entry, unsigned long, nr_segments,
> + struct kexec_segment __user *, segments, unsigned long, flags)
> +{
> + return kernel_kexec_load(entry, nr_segments, segments, flags);
> +}
> +
> #ifdef CONFIG_COMPAT
> COMPAT_SYSCALL_DEFINE4(kexec_load, compat_ulong_t, entry,
> compat_ulong_t, nr_segments,
> struct compat_kexec_segment __user *, segments,
> compat_ulong_t, flags)
> {
> + return kernel_kexec_load(entry, nr_segments,
> + (struct kexec_segment __user *)segments,
> + flags);
> }

I don't think we need sys_compat_kexec_load at all now, all the syscall
tables can simply switch to sys_kexec_load for the compat case as well
now.