On Mon, 27 Nov 2017, Dave Hansen wrote:
> On 11/26/2017 03:14 PM, Thomas Gleixner wrote:
> > +static void enable_global_pages(void)
> > +{
> > +#ifndef CONFIG_KAISER
> > + __supported_pte_mask |= _PAGE_GLOBAL;
> > +#endif
> > +}
> > +
> > static void __init probe_page_size_mask(void)
> > {
>
On Mon, 27 Nov 2017, Dave Hansen wrote:
> On 11/26/2017 03:14 PM, Thomas Gleixner wrote:
> > +static void enable_global_pages(void)
> > +{
> > +#ifndef CONFIG_KAISER
> > + __supported_pte_mask |= _PAGE_GLOBAL;
> > +#endif
> > +}
> > +
> > static void __init probe_page_size_mask(void)
> > {
>
On 11/26/2017 03:14 PM, Thomas Gleixner wrote:
> +static void enable_global_pages(void)
> +{
> +#ifndef CONFIG_KAISER
> + __supported_pte_mask |= _PAGE_GLOBAL;
> +#endif
> +}
> +
> static void __init probe_page_size_mask(void)
> {
> /*
> @@ -179,11 +186,11 @@ static void __init
On 11/26/2017 03:14 PM, Thomas Gleixner wrote:
> +static void enable_global_pages(void)
> +{
> +#ifndef CONFIG_KAISER
> + __supported_pte_mask |= _PAGE_GLOBAL;
> +#endif
> +}
> +
> static void __init probe_page_size_mask(void)
> {
> /*
> @@ -179,11 +186,11 @@ static void __init
On Mon, 27 Nov 2017, Thomas Gleixner wrote:
> /*
> @@ -179,11 +186,11 @@ static void __init probe_page_size_mask(
> cr4_set_bits_and_update_boot(X86_CR4_PSE);
>
> /* Enable PGE if available */
> + __supported_pte_mask |= _PAGE_GLOBAL;
Bah. Late night reject fixup
On Mon, 27 Nov 2017, Thomas Gleixner wrote:
> /*
> @@ -179,11 +186,11 @@ static void __init probe_page_size_mask(
> cr4_set_bits_and_update_boot(X86_CR4_PSE);
>
> /* Enable PGE if available */
> + __supported_pte_mask |= _PAGE_GLOBAL;
Bah. Late night reject fixup
The current way of disabling global pages at compile time prevents boot
time disabling of kaiser and creates unnecessary indirections.
Global pages can be supressed by __supported_pte_mask as well. The shadow
mappings set PAGE_GLOBAL for the minimal kernel mappings which are required
for
The current way of disabling global pages at compile time prevents boot
time disabling of kaiser and creates unnecessary indirections.
Global pages can be supressed by __supported_pte_mask as well. The shadow
mappings set PAGE_GLOBAL for the minimal kernel mappings which are required
for
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