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| author | Al Viro <viro@zeniv.linux.org.uk> | 2014-06-12 00:27:11 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2014-06-12 00:28:09 -0400 |
| commit | 9c1d5284c79fea050f115eadeec1dd1758e5c630 (patch) | |
| tree | 4d16fd5aad7ff4931e985c0128c5747f23561f8a /arch/arm64 | |
| parent | 5f073850602084fbcbb987948ff3e70ae273f7d2 (diff) | |
| parent | 9f12600fe425bc28f0ccba034a77783c09c15af4 (diff) | |
| download | op-kernel-dev-9c1d5284c79fea050f115eadeec1dd1758e5c630.zip op-kernel-dev-9c1d5284c79fea050f115eadeec1dd1758e5c630.tar.gz | |
Merge commit '9f12600fe425bc28f0ccba034a77783c09c15af4' into for-linus
Backmerge of dcache.c changes from mainline. It's that, or complete
rebase...
Conflicts:
fs/splice.c
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/arm64')
| -rw-r--r-- | arch/arm64/include/asm/memory.h | 1 | ||||
| -rw-r--r-- | arch/arm64/include/asm/pgtable.h | 2 | ||||
| -rw-r--r-- | arch/arm64/kernel/irq.c | 10 | ||||
| -rw-r--r-- | arch/arm64/mm/hugetlbpage.c | 4 |
4 files changed, 13 insertions, 4 deletions
diff --git a/arch/arm64/include/asm/memory.h b/arch/arm64/include/asm/memory.h index e94f945..993bce5 100644 --- a/arch/arm64/include/asm/memory.h +++ b/arch/arm64/include/asm/memory.h @@ -138,6 +138,7 @@ static inline void *phys_to_virt(phys_addr_t x) #define __pa(x) __virt_to_phys((unsigned long)(x)) #define __va(x) ((void *)__phys_to_virt((phys_addr_t)(x))) #define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT) +#define virt_to_pfn(x) __phys_to_pfn(__virt_to_phys(x)) /* * virt_to_page(k) convert a _valid_ virtual address to struct page * diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h index 90c811f..7b1c67a 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -266,7 +266,7 @@ static inline pmd_t pte_pmd(pte_t pte) #define pmd_page(pmd) pfn_to_page(__phys_to_pfn(pmd_val(pmd) & PHYS_MASK)) -#define set_pmd_at(mm, addr, pmdp, pmd) set_pmd(pmdp, pmd) +#define set_pmd_at(mm, addr, pmdp, pmd) set_pte_at(mm, addr, (pte_t *)pmdp, pmd_pte(pmd)) static inline int has_transparent_hugepage(void) { diff --git a/arch/arm64/kernel/irq.c b/arch/arm64/kernel/irq.c index 473e5db..0f08dfd 100644 --- a/arch/arm64/kernel/irq.c +++ b/arch/arm64/kernel/irq.c @@ -97,11 +97,15 @@ static bool migrate_one_irq(struct irq_desc *desc) if (irqd_is_per_cpu(d) || !cpumask_test_cpu(smp_processor_id(), affinity)) return false; - if (cpumask_any_and(affinity, cpu_online_mask) >= nr_cpu_ids) { - affinity = cpu_online_mask; + if (cpumask_any_and(affinity, cpu_online_mask) >= nr_cpu_ids) ret = true; - } + /* + * when using forced irq_set_affinity we must ensure that the cpu + * being offlined is not present in the affinity mask, it may be + * selected as the target CPU otherwise + */ + affinity = cpu_online_mask; c = irq_data_get_irq_chip(d); if (!c->irq_set_affinity) pr_debug("IRQ%u: unable to set affinity\n", d->irq); diff --git a/arch/arm64/mm/hugetlbpage.c b/arch/arm64/mm/hugetlbpage.c index 5e9aec3..31eb959 100644 --- a/arch/arm64/mm/hugetlbpage.c +++ b/arch/arm64/mm/hugetlbpage.c @@ -51,7 +51,11 @@ int pmd_huge(pmd_t pmd) int pud_huge(pud_t pud) { +#ifndef __PAGETABLE_PMD_FOLDED return !(pud_val(pud) & PUD_TABLE_BIT); +#else + return 0; +#endif } int pmd_huge_support(void) |
