lkml.org 
[lkml]   [2008]   [Jan]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] fill in missing pv_mmu_ops entries for PAGETABLE_LEVELS >= 3
Marcelo Tosatti wrote:
> On Fri, Jan 18, 2008 at 03:20:15PM -0200, Glauber de Oliveira Costa wrote:
>
>> Hi,
>>
>> This small series provides some more fixes towards the goal
>> to have the PARAVIRT selectable for x86_64. After that, just
>> some more small steps are needed.
>>
>> The first fix is not even specific for PARAVIRT, and it's actually
>> preventing the whole tree from booting.
>>
>>
>
> And the following allows PARAVIRT kernels to boot on x86_64.
>
> -----
>
> Fill in missing pagetable manipulation entries in pv_mmu_ops
> for PAGETABLE_LEVELS >= 3.
>
> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
>

Looks good, thanks.

Acked-by: Jeremy Fitzhardinge <jeremy@xensource.com>

>
> Index: linux-2.6-x86/arch/x86/kernel/paravirt.c
> ===================================================================
> --- linux-2.6-x86.orig/arch/x86/kernel/paravirt.c
> +++ linux-2.6-x86/arch/x86/kernel/paravirt.c
> @@ -396,16 +396,25 @@ struct pv_mmu_ops pv_mmu_ops = {
> .kmap_atomic_pte = kmap_atomic,
> #endif
>
> +#if PAGETABLE_LEVELS >= 3
> #ifdef CONFIG_X86_PAE
> .set_pte_atomic = native_set_pte_atomic,
> .set_pte_present = native_set_pte_present,
> - .set_pud = native_set_pud,
> .pte_clear = native_pte_clear,
> .pmd_clear = native_pmd_clear,
> -
> +#endif
> + .set_pud = native_set_pud,
> + .set_pgd = native_set_pgd,
> + .pgd_clear = native_pgd_clear,
> .pmd_val = native_pmd_val,
> .make_pmd = native_make_pmd,
> +
> +#if PAGETABLE_LEVELS == 4
> + .pud_val = native_pud_val,
> + .make_pud = native_make_pud,
> + .pud_clear = native_pud_clear,
> #endif
> +#endif /* PAGETABLE_LEVELS >= 3 */
>
> .pte_val = native_pte_val,
> .pgd_val = native_pgd_val,
>
>
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at http://www.tux.org/lkml/
>



\
 
 \ /
  Last update: 2008-01-20 06:07    [W:0.142 / U:0.052 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site