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Groups > linux.kernel > #1313510
| From | Russell King - ARM Linux <linux@arm.linux.org.uk> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [4.4-rt2 PATCH] ARM: highmem: take into account FIX_KMAP_BEGIN in switch_kmaps() |
| Date | 2016-01-20 21:30 +0100 |
| Message-ID | <qT7yb-3ae-35@gated-at.bofh.it> (permalink) |
| References | <qRdy2-7l8-13@gated-at.bofh.it> <qT7yb-3ae-37@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Wed, Jan 20, 2016 at 09:21:39PM +0100, Sebastian Andrzej Siewior wrote:
> * Grygorii Strashko | 2016-01-15 16:20:47 [+0200]:
>
> >--- a/arch/arm/mm/highmem.c
> >+++ b/arch/arm/mm/highmem.c
> >@@ -175,7 +180,7 @@ void switch_kmaps(struct task_struct *prev_p, struct task_struct *next_p)
> > * Restore @next_p's kmap_atomic mappings
> > */
> > for (i = 0; i < next_p->kmap_idx; i++) {
> >- int idx = i + KM_TYPE_NR * smp_processor_id();
> >+ int idx = fixmap_idx(i);
> >
> > if (!pte_none(next_p->kmap_pte[i]))
> > set_fixmap_pte(idx, next_p->kmap_pte[i]);
>
> Grygorii, if you remove this chunk then it should apply upstream. Could
> you forward it upstream then please? So the -RT piece would shrink a
> little:)
Or I could commit my own patch which forms a proportion of this change.
--
RMK's Patch system: http://www.arm.linux.org.uk/developer/patches/
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[4.4-rt2 PATCH] ARM: highmem: take into account FIX_KMAP_BEGIN in switch_kmaps() Grygorii Strashko <grygorii.strashko@ti.com> - 2016-01-15 15:30 +0100
Re: [4.4-rt2 PATCH] ARM: highmem: take into account FIX_KMAP_BEGIN in switch_kmaps() Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-01-15 18:00 +0100
Re: [4.4-rt2 PATCH] ARM: highmem: take into account FIX_KMAP_BEGIN in switch_kmaps() Russell King - ARM Linux <linux@arm.linux.org.uk> - 2016-01-20 21:30 +0100
Re: [4.4-rt2 PATCH] ARM: highmem: take into account FIX_KMAP_BEGIN in switch_kmaps() Grygorii Strashko <grygorii.strashko@ti.com> - 2016-01-20 21:40 +0100
Re: [4.4-rt2 PATCH] ARM: highmem: take into account FIX_KMAP_BEGIN in switch_kmaps() Sebastian Andrzej Siewior <bigeasy@linutronix.de> - 2016-01-20 21:30 +0100
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