diff options
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/include/asm/e820.h | 12 | ||||
| -rw-r--r-- | arch/x86/pci/xen.c | 4 | ||||
| -rw-r--r-- | arch/x86/xen/setup.c | 6 |
3 files changed, 13 insertions, 9 deletions
diff --git a/arch/x86/include/asm/e820.h b/arch/x86/include/asm/e820.h index 476b574de99e..ec23d8e1297c 100644 --- a/arch/x86/include/asm/e820.h +++ b/arch/x86/include/asm/e820.h @@ -1,13 +1,17 @@ #ifndef _ASM_X86_E820_H #define _ASM_X86_E820_H -#ifdef CONFIG_EFI +/* + * E820_X_MAX is the maximum size of the extended E820 table. The extended + * table may contain up to 3 extra E820 entries per possible NUMA node, so we + * make room for 3 * MAX_NUMNODES possible entries, beyond the standard 128. + * Also note that E820_X_MAX *must* be defined before we include uapi/asm/e820.h. + */ #include <linux/numa.h> #define E820_X_MAX (E820MAX + 3 * MAX_NUMNODES) -#else /* ! CONFIG_EFI */ -#define E820_X_MAX E820MAX -#endif + #include <uapi/asm/e820.h> + #ifndef __ASSEMBLY__ /* see comment in arch/x86/kernel/e820.c */ extern struct e820map *e820; diff --git a/arch/x86/pci/xen.c b/arch/x86/pci/xen.c index bedfab98077a..e1fb269c87af 100644 --- a/arch/x86/pci/xen.c +++ b/arch/x86/pci/xen.c @@ -264,8 +264,8 @@ static int xen_hvm_setup_msi_irqs(struct pci_dev *dev, int nvec, int type) return 0; error: - dev_err(&dev->dev, - "Xen PCI frontend has not registered MSI/MSI-X support!\n"); + dev_err(&dev->dev, "Failed to create MSI%s! ret=%d!\n", + type == PCI_CAP_ID_MSI ? "" : "-X", irq); return irq; } diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c index f8960fca0827..8c394e30e5fe 100644 --- a/arch/x86/xen/setup.c +++ b/arch/x86/xen/setup.c @@ -41,7 +41,7 @@ struct xen_memory_region xen_extra_mem[XEN_EXTRA_MEM_MAX_REGIONS] __initdata; unsigned long xen_released_pages; /* E820 map used during setting up memory. */ -static struct e820entry xen_e820_map[E820MAX] __initdata; +static struct e820entry xen_e820_map[E820_X_MAX] __initdata; static u32 xen_e820_map_entries __initdata; /* @@ -750,7 +750,7 @@ char * __init xen_memory_setup(void) max_pfn = min(max_pfn, xen_start_info->nr_pages); mem_end = PFN_PHYS(max_pfn); - memmap.nr_entries = E820MAX; + memmap.nr_entries = ARRAY_SIZE(xen_e820_map); set_xen_guest_handle(memmap.buffer, xen_e820_map); op = xen_initial_domain() ? @@ -923,7 +923,7 @@ char * __init xen_auto_xlated_memory_setup(void) int i; int rc; - memmap.nr_entries = E820MAX; + memmap.nr_entries = ARRAY_SIZE(xen_e820_map); set_xen_guest_handle(memmap.buffer, xen_e820_map); rc = HYPERVISOR_memory_op(XENMEM_memory_map, &memmap); |