diff options
Diffstat (limited to 'arch/x86/xen')
| -rw-r--r-- | arch/x86/xen/enlighten.c | 2 | ||||
| -rw-r--r-- | arch/x86/xen/enlighten_pv.c | 10 | ||||
| -rw-r--r-- | arch/x86/xen/enlighten_pvh.c | 2 | ||||
| -rw-r--r-- | arch/x86/xen/grant-table.c | 27 | ||||
| -rw-r--r-- | arch/x86/xen/mmu_pv.c | 8 | ||||
| -rw-r--r-- | arch/x86/xen/pci-swiotlb-xen.c | 2 |
6 files changed, 25 insertions, 26 deletions
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c index 205b1176084f..aa9f50fccc5d 100644 --- a/arch/x86/xen/enlighten.c +++ b/arch/x86/xen/enlighten.c @@ -71,7 +71,7 @@ EXPORT_SYMBOL_GPL(xen_have_vector_callback); * NB: needs to live in .data because it's used by xen_prepare_pvh which runs * before clearing the bss. */ -uint32_t xen_start_flags __attribute__((section(".data"))) = 0; +uint32_t xen_start_flags __section(".data") = 0; EXPORT_SYMBOL(xen_start_flags); /* diff --git a/arch/x86/xen/enlighten_pv.c b/arch/x86/xen/enlighten_pv.c index 351ac1a9a119..4409306364dc 100644 --- a/arch/x86/xen/enlighten_pv.c +++ b/arch/x86/xen/enlighten_pv.c @@ -32,7 +32,7 @@ #include <linux/pci.h> #include <linux/gfp.h> #include <linux/edd.h> -#include <linux/frame.h> +#include <linux/objtool.h> #include <xen/xen.h> #include <xen/events.h> @@ -1014,8 +1014,6 @@ void __init xen_setup_vcpu_info_placement(void) } static const struct pv_info xen_info __initconst = { - .shared_kernel_pmd = 0, - .extra_user_64bit_cs = FLAT_USER_CS64, .name = "Xen", }; @@ -1302,7 +1300,7 @@ asmlinkage __visible void __init xen_start_kernel(void) * any NUMA information the kernel tries to get from ACPI will * be meaningless. Prevent it from trying. */ - acpi_numa = -1; + disable_srat(); #endif WARN_ON(xen_cpuhp_setup(xen_cpu_up_prepare_pv, xen_cpu_dead_pv)); @@ -1314,10 +1312,6 @@ asmlinkage __visible void __init xen_start_kernel(void) xen_start_info->nr_pages); xen_reserve_special_pages(); - /* keep using Xen gdt for now; no urgent need to change it */ - - pv_info.kernel_rpl = 0; - /* * We used to do this in xen_arch_setup, but that is too late * on AMD were early_cpu_init (run before ->arch_setup()) calls diff --git a/arch/x86/xen/enlighten_pvh.c b/arch/x86/xen/enlighten_pvh.c index 80a79db72fcf..0d5e34b9e6f9 100644 --- a/arch/x86/xen/enlighten_pvh.c +++ b/arch/x86/xen/enlighten_pvh.c @@ -21,7 +21,7 @@ * The variable xen_pvh needs to live in the data segment since it is used * after startup_{32|64} is invoked, which will clear the .bss segment. */ -bool xen_pvh __attribute__((section(".data"))) = 0; +bool xen_pvh __section(".data") = 0; void __init xen_pvh_init(struct boot_params *boot_params) { diff --git a/arch/x86/xen/grant-table.c b/arch/x86/xen/grant-table.c index 4988e19598c8..1e681bf62561 100644 --- a/arch/x86/xen/grant-table.c +++ b/arch/x86/xen/grant-table.c @@ -25,6 +25,7 @@ static struct gnttab_vm_area { struct vm_struct *area; pte_t **ptes; + int idx; } gnttab_shared_vm_area, gnttab_status_vm_area; int arch_gnttab_map_shared(unsigned long *frames, unsigned long nr_gframes, @@ -90,19 +91,31 @@ void arch_gnttab_unmap(void *shared, unsigned long nr_gframes) } } +static int gnttab_apply(pte_t *pte, unsigned long addr, void *data) +{ + struct gnttab_vm_area *area = data; + + area->ptes[area->idx++] = pte; + return 0; +} + static int arch_gnttab_valloc(struct gnttab_vm_area *area, unsigned nr_frames) { area->ptes = kmalloc_array(nr_frames, sizeof(*area->ptes), GFP_KERNEL); if (area->ptes == NULL) return -ENOMEM; - - area->area = alloc_vm_area(PAGE_SIZE * nr_frames, area->ptes); - if (area->area == NULL) { - kfree(area->ptes); - return -ENOMEM; - } - + area->area = get_vm_area(PAGE_SIZE * nr_frames, VM_IOREMAP); + if (!area->area) + goto out_free_ptes; + if (apply_to_page_range(&init_mm, (unsigned long)area->area->addr, + PAGE_SIZE * nr_frames, gnttab_apply, area)) + goto out_free_vm_area; return 0; +out_free_vm_area: + free_vm_area(area->area); +out_free_ptes: + kfree(area->ptes); + return -ENOMEM; } static void arch_gnttab_vfree(struct gnttab_vm_area *area) diff --git a/arch/x86/xen/mmu_pv.c b/arch/x86/xen/mmu_pv.c index fbee8f50088b..cf2ade864c30 100644 --- a/arch/x86/xen/mmu_pv.c +++ b/arch/x86/xen/mmu_pv.c @@ -285,13 +285,6 @@ static void xen_set_pte(pte_t *ptep, pte_t pteval) __xen_set_pte(ptep, pteval); } -static void xen_set_pte_at(struct mm_struct *mm, unsigned long addr, - pte_t *ptep, pte_t pteval) -{ - trace_xen_mmu_set_pte_at(mm, addr, ptep, pteval); - __xen_set_pte(ptep, pteval); -} - pte_t xen_ptep_modify_prot_start(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep) { @@ -2105,7 +2098,6 @@ static const struct pv_mmu_ops xen_mmu_ops __initconst = { .release_pmd = xen_release_pmd_init, .set_pte = xen_set_pte_init, - .set_pte_at = xen_set_pte_at, .set_pmd = xen_set_pmd_hyper, .ptep_modify_prot_start = __ptep_modify_prot_start, diff --git a/arch/x86/xen/pci-swiotlb-xen.c b/arch/x86/xen/pci-swiotlb-xen.c index 33293ce01d8d..19ae3e4fe4e9 100644 --- a/arch/x86/xen/pci-swiotlb-xen.c +++ b/arch/x86/xen/pci-swiotlb-xen.c @@ -2,7 +2,7 @@ /* Glue code to lib/swiotlb-xen.c */ -#include <linux/dma-mapping.h> +#include <linux/dma-map-ops.h> #include <linux/pci.h> #include <xen/swiotlb-xen.h> |