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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-08-14 09:40:44 -0600 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-08-14 09:40:44 -0600 |
| commit | 4dacb91c7d1ab30aa9aac0d55216fc177d454254 (patch) | |
| tree | 51ccb90ca716b2b5e03c53a4598c20573ecdd3dc | |
| parent | ba368991f63f020afe4ee9d5b647c5397cf3c7f2 (diff) | |
| parent | 7d951f3ccb0308c95bf76d5eef9886dea35a7013 (diff) | |
| download | linux-4dacb91c7d1ab30aa9aac0d55216fc177d454254.tar.bz2 | |
Merge tag 'stable/for-linus-3.17-b-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull Xen bugfixes from David Vrabel:
- fix ARM build
- fix boot crash with PVH guests
- improve reliability of resume/migration
* tag 'stable/for-linus-3.17-b-rc0-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
x86/xen: use vmap() to map grant table pages in PVH guests
x86/xen: resume timer irqs early
arm/xen: remove duplicate arch_gnttab_init() function
| -rw-r--r-- | arch/arm/xen/grant-table.c | 5 | ||||
| -rw-r--r-- | arch/x86/xen/grant-table.c | 10 | ||||
| -rw-r--r-- | arch/x86/xen/time.c | 2 |
3 files changed, 6 insertions, 11 deletions
diff --git a/arch/arm/xen/grant-table.c b/arch/arm/xen/grant-table.c index 2c4041c9bac5..e43791829ace 100644 --- a/arch/arm/xen/grant-table.c +++ b/arch/arm/xen/grant-table.c @@ -49,8 +49,3 @@ int arch_gnttab_init(unsigned long nr_shared) { return 0; } - -int arch_gnttab_init(unsigned long nr_shared, unsigned long nr_status) -{ - return 0; -} diff --git a/arch/x86/xen/grant-table.c b/arch/x86/xen/grant-table.c index c0413046483a..1580e7a5a4cf 100644 --- a/arch/x86/xen/grant-table.c +++ b/arch/x86/xen/grant-table.c @@ -118,6 +118,7 @@ static int __init xlated_setup_gnttab_pages(void) { struct page **pages; xen_pfn_t *pfns; + void *vaddr; int rc; unsigned int i; unsigned long nr_grant_frames = gnttab_max_grant_frames(); @@ -143,21 +144,20 @@ static int __init xlated_setup_gnttab_pages(void) for (i = 0; i < nr_grant_frames; i++) pfns[i] = page_to_pfn(pages[i]); - rc = arch_gnttab_map_shared(pfns, nr_grant_frames, nr_grant_frames, - &xen_auto_xlat_grant_frames.vaddr); - - if (rc) { + vaddr = vmap(pages, nr_grant_frames, 0, PAGE_KERNEL); + if (!vaddr) { pr_warn("%s Couldn't map %ld pfns rc:%d\n", __func__, nr_grant_frames, rc); free_xenballooned_pages(nr_grant_frames, pages); kfree(pages); kfree(pfns); - return rc; + return -ENOMEM; } kfree(pages); xen_auto_xlat_grant_frames.pfn = pfns; xen_auto_xlat_grant_frames.count = nr_grant_frames; + xen_auto_xlat_grant_frames.vaddr = vaddr; return 0; } diff --git a/arch/x86/xen/time.c b/arch/x86/xen/time.c index 7b78f88c1707..5718b0b58b60 100644 --- a/arch/x86/xen/time.c +++ b/arch/x86/xen/time.c @@ -444,7 +444,7 @@ void xen_setup_timer(int cpu) irq = bind_virq_to_irqhandler(VIRQ_TIMER, cpu, xen_timer_interrupt, IRQF_PERCPU|IRQF_NOBALANCING|IRQF_TIMER| - IRQF_FORCE_RESUME, + IRQF_FORCE_RESUME|IRQF_EARLY_RESUME, name, NULL); (void)xen_set_irq_priority(irq, XEN_IRQ_PRIORITY_MAX); |