Re: [PATCH] x86/gart: Rewrite early_gart_iommu_check() comment

Ingo Molnar
2018-11-05T15:35:47Z

* Borislav Petkov <bp@alien8.de> wrote:

> From: Borislav Petkov <bp@suse.de>
>
> ... to actually explain what the function is trying to do.
>
> Reported-by: Mike Rapoport <rppt@linux.ibm.com>
> Signed-off-by: Borislav Petkov <bp@suse.de>
> ---
> arch/x86/kernel/aperture_64.c | 25 +++++++++++++++----------
> 1 file changed, 15 insertions(+), 10 deletions(-)
>
> diff --git a/arch/x86/kernel/aperture_64.c b/arch/x86/kernel/aperture_64.c
> index 2c4d5ece7456..4fb4b7f53568 100644
> --- a/arch/x86/kernel/aperture_64.c
> +++ b/arch/x86/kernel/aperture_64.c
> @@ -264,18 +264,23 @@ static int __init parse_gart_mem(char *p)
> }
> early_param("gart_fix_e820", parse_gart_mem);
>
> +/*
> + * With kexec/kdump, if the first kernel doesn't shutdown the GART and the
> + * second kernel allocates a different GART region, there might be two
> + * overlapping GART regions present:

s/shutdown
/shut down

Thanks,

Ingo