Hi Baoquan,
Sorry for the late reply.
> +check_5level_paging(void)
> +{
> + if (NUMBER(pgtable_l5_enabled) != 0)
Is this if (NUMBER(pgtable_l5_enabled) != NOT_FOUND_NUMBER && NUMBER(pgtable_l5_enabled) != 0) ?
If so, I will correct this.
> + return TRUE;
Thanks
Tachibana
> -----Original Message-----
> From: kexec [mailto:kexec-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Baoquan He
> Sent: Friday, March 02, 2018 2:49 PM
> To: kexec@xxxxxxxxxxxxxxxxxxx
> Cc: douly.fnst@xxxxxxxxxxxxxx; indou.takao@xxxxxxxxxxxxxx; Hayashi Masahiko() <mas-hayashi@xxxxxxxxxxxxx>;
> Baoquan He <bhe@xxxxxxxxxx>; Tachibana Masaki() <mas-tachibana@xxxxxxxxxxxxx>
> Subject: [PATCH 3/4] Makedumpfile: Add a new function check_5level_paging()
>
> Use it to check if the corrupted kernel is in 5-level paging.
>
> Signed-off-by: Baoquan He <bhe@xxxxxxxxxx>
> ---
> arch/x86_64.c | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
> diff --git a/arch/x86_64.c b/arch/x86_64.c
> index cbe45c2..e88ee0b 100644
> --- a/arch/x86_64.c
> +++ b/arch/x86_64.c
> @@ -33,6 +33,15 @@ get_xen_p2m_mfn(void)
> return NOT_FOUND_LONG_VALUE;
> }
>
> +static int
> +check_5level_paging(void)
> +{
> + if (NUMBER(pgtable_l5_enabled) != 0)
> + return TRUE;
> + else
> + return FALSE;
> +}
> +
> unsigned long
> get_kaslr_offset_x86_64(unsigned long vaddr)
> {
> --
> 2.13.6
>
>
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