Merge commit 'v2.6.28-rc4' into x86/apic

7 files changed, 65 insertions, 49 deletions

diff --git a/arch/ia64/include/asm/io.h b/arch/ia64/include/asm/io.h
index 7f257507cd86..0d9d16e2d949 100644
--- a/arch/ia64/include/asm/io.h
+++ b/arch/ia64/include/asm/io.h
@@ -434,28 +434,4 @@ extern void memset_io(volatile void __iomem *s, int c, long n);
 
 # endif /* __KERNEL__ */
 
-/*
- * Enabling BIO_VMERGE_BOUNDARY forces us to turn off I/O MMU bypassing.  It is said that
- * BIO-level virtual merging can give up to 4% performance boost (not verified for ia64).
- * On the other hand, we know that I/O MMU bypassing gives ~8% performance improvement on
- * SPECweb-like workloads on zx1-based machines.  Thus, for now we favor I/O MMU bypassing
- * over BIO-level virtual merging.
- */
-extern unsigned long ia64_max_iommu_merge_mask;
-#if 1
-#define BIO_VMERGE_BOUNDARY     0
-#else
-/*
- * It makes no sense at all to have this BIO_VMERGE_BOUNDARY macro here.  Should be
- * replaced by dma_merge_mask() or something of that sort.  Note: the only way
- * BIO_VMERGE_BOUNDARY is used is to mask off bits.  Effectively, our definition gets
- * expanded into:
- *
- *      addr & ((ia64_max_iommu_merge_mask + 1) - 1) == (addr & ia64_max_iommu_vmerge_mask)
- *
- * which is precisely what we want.
- */
-#define BIO_VMERGE_BOUNDARY     (ia64_max_iommu_merge_mask + 1)
-#endif
-
 #endif /* _ASM_IA64_IO_H */
diff --git a/arch/ia64/include/asm/iommu.h b/arch/ia64/include/asm/iommu.h
index 5fb2bb93de3b..0490794fe4aa 100644
--- a/arch/ia64/include/asm/iommu.h
+++ b/arch/ia64/include/asm/iommu.h
@@ -11,6 +11,5 @@ extern int force_iommu, no_iommu;
 extern int iommu_detected;
 extern void iommu_dma_init(void);
 extern void machvec_init(const char *name);
-extern int forbid_dac;
 
 #endif
diff --git a/arch/ia64/include/asm/kvm_host.h b/arch/ia64/include/asm/kvm_host.h
index 85db124d37f6..c60d324da540 100644
--- a/arch/ia64/include/asm/kvm_host.h
+++ b/arch/ia64/include/asm/kvm_host.h
@@ -365,7 +365,8 @@ struct kvm_vcpu_arch {
         long itc_offset;
         unsigned long itc_check;
         unsigned long timer_check;
-        unsigned long timer_pending;
+        unsigned int timer_pending;
+        unsigned int timer_fired;
 
         unsigned long vrr[8];
         unsigned long ibr[8];
@@ -417,6 +418,9 @@ struct kvm_arch {
         struct list_head assigned_dev_head;
         struct dmar_domain *intel_iommu_domain;
         struct hlist_head irq_ack_notifier_list;
+
+        unsigned long irq_sources_bitmap;
+        unsigned long irq_states[KVM_IOAPIC_NUM_PINS];
 };
 
 union cpuid3_t {
diff --git a/arch/ia64/include/asm/machvec.h b/arch/ia64/include/asm/machvec.h
index 1ea28bcee33b..59c17e446683 100644
--- a/arch/ia64/include/asm/machvec.h
+++ b/arch/ia64/include/asm/machvec.h
@@ -11,6 +11,7 @@
 #define _ASM_IA64_MACHVEC_H
 
 #include <linux/types.h>
+#include <linux/swiotlb.h>
 
 /* forward declarations: */
 struct device;
@@ -298,27 +299,6 @@ extern void machvec_init_from_cmdline(const char *cmdline);
 # endif /* CONFIG_IA64_GENERIC */
 
 /*
- * Declare default routines which aren't declared anywhere else:
- */
-extern ia64_mv_dma_init                 swiotlb_init;
-extern ia64_mv_dma_alloc_coherent       swiotlb_alloc_coherent;
-extern ia64_mv_dma_free_coherent        swiotlb_free_coherent;
-extern ia64_mv_dma_map_single           swiotlb_map_single;
-extern ia64_mv_dma_map_single_attrs     swiotlb_map_single_attrs;
-extern ia64_mv_dma_unmap_single         swiotlb_unmap_single;
-extern ia64_mv_dma_unmap_single_attrs   swiotlb_unmap_single_attrs;
-extern ia64_mv_dma_map_sg               swiotlb_map_sg;
-extern ia64_mv_dma_map_sg_attrs         swiotlb_map_sg_attrs;
-extern ia64_mv_dma_unmap_sg             swiotlb_unmap_sg;
-extern ia64_mv_dma_unmap_sg_attrs       swiotlb_unmap_sg_attrs;
-extern ia64_mv_dma_sync_single_for_cpu  swiotlb_sync_single_for_cpu;
-extern ia64_mv_dma_sync_sg_for_cpu      swiotlb_sync_sg_for_cpu;
-extern ia64_mv_dma_sync_single_for_device swiotlb_sync_single_for_device;
-extern ia64_mv_dma_sync_sg_for_device   swiotlb_sync_sg_for_device;
-extern ia64_mv_dma_mapping_error        swiotlb_dma_mapping_error;
-extern ia64_mv_dma_supported            swiotlb_dma_supported;
-
-/*
  * Define default versions so we can extend machvec for new platforms without having
  * to update the machvec files for all existing platforms.
  */
diff --git a/arch/ia64/include/asm/meminit.h b/arch/ia64/include/asm/meminit.h
index 6bc96ee54327..c0cea375620a 100644
--- a/arch/ia64/include/asm/meminit.h
+++ b/arch/ia64/include/asm/meminit.h
@@ -48,7 +48,6 @@ extern int reserve_elfcorehdr(unsigned long *start, unsigned long *end);
  */
 #define GRANULEROUNDDOWN(n)     ((n) & ~(IA64_GRANULE_SIZE-1))
 #define GRANULEROUNDUP(n)       (((n)+IA64_GRANULE_SIZE-1) & ~(IA64_GRANULE_SIZE-1))
-#define ORDERROUNDDOWN(n)       ((n) & ~((PAGE_SIZE<<MAX_ORDER)-1))
 
 #ifdef CONFIG_NUMA
   extern void call_pernode_memory (unsigned long start, unsigned long len, void *func);
diff --git a/arch/ia64/include/asm/sal.h b/arch/ia64/include/asm/sal.h
index ea310c0812aa..966797a97c94 100644
--- a/arch/ia64/include/asm/sal.h
+++ b/arch/ia64/include/asm/sal.h
@@ -337,11 +337,24 @@ typedef struct sal_log_record_header {
 #define sal_log_severity_fatal          1
 #define sal_log_severity_corrected      2
 
+/*
+ * Error Recovery Info (ERI) bit decode.  From SAL Spec section B.2.2 Table B-3
+ * Error Section Error_Recovery_Info Field Definition.
+ */
+#define ERI_NOT_VALID           0x0     /* Error Recovery Field is not valid */
+#define ERI_NOT_ACCESSIBLE      0x30    /* Resource not accessible */
+#define ERI_CONTAINMENT_WARN    0x22    /* Corrupt data propagated */
+#define ERI_UNCORRECTED_ERROR   0x20    /* Uncorrected error */
+#define ERI_COMPONENT_RESET     0x24    /* Component must be reset */
+#define ERI_CORR_ERROR_LOG      0x21    /* Corrected error, needs logging */
+#define ERI_CORR_ERROR_THRESH   0x29    /* Corrected error threshold exceeded */
+
 /* Definition of log section header structures */
 typedef struct sal_log_sec_header {
     efi_guid_t guid;                    /* Unique Section ID */
     sal_log_revision_t revision;        /* Major and Minor revision of Section */
-    u16 reserved;
+    u8 error_recovery_info;             /* Platform error recovery status */
+    u8 reserved;
     u32 len;                            /* Section length */
 } sal_log_section_hdr_t;
 
diff --git a/arch/ia64/include/asm/sn/sn_sal.h b/arch/ia64/include/asm/sn/sn_sal.h
index 57e649d388b8..e310fc0135dc 100644
--- a/arch/ia64/include/asm/sn/sn_sal.h
+++ b/arch/ia64/include/asm/sn/sn_sal.h
@@ -90,6 +90,8 @@
 #define  SN_SAL_SET_CPU_NUMBER                     0x02000068
 
 #define  SN_SAL_KERNEL_LAUNCH_EVENT                0x02000069
+#define  SN_SAL_WATCHLIST_ALLOC                    0x02000070
+#define  SN_SAL_WATCHLIST_FREE                     0x02000071
 
 /*
  * Service-specific constants
@@ -1185,4 +1187,47 @@ ia64_sn_kernel_launch_event(void)
         SAL_CALL_NOLOCK(rv, SN_SAL_KERNEL_LAUNCH_EVENT, 0, 0, 0, 0, 0, 0, 0);
         return rv.status;
 }
+
+union sn_watchlist_u {
+        u64     val;
+        struct {
+                u64     blade   : 16,
+                        size    : 32,
+                        filler  : 16;
+        };
+};
+
+static inline int
+sn_mq_watchlist_alloc(int blade, void *mq, unsigned int mq_size,
+                                unsigned long *intr_mmr_offset)
+{
+        struct ia64_sal_retval rv;
+        unsigned long addr;
+        union sn_watchlist_u size_blade;
+        int watchlist;
+
+        addr = (unsigned long)mq;
+        size_blade.size = mq_size;
+        size_blade.blade = blade;
+
+        /*
+         * bios returns watchlist number or negative error number.
+         */
+        ia64_sal_oemcall_nolock(&rv, SN_SAL_WATCHLIST_ALLOC, addr,
+                        size_blade.val, (u64)intr_mmr_offset,
+                        (u64)&watchlist, 0, 0, 0);
+        if (rv.status < 0)
+                return rv.status;
+
+        return watchlist;
+}
+
+static inline int
+sn_mq_watchlist_free(int blade, int watchlist_num)
+{
+        struct ia64_sal_retval rv;
+        ia64_sal_oemcall_nolock(&rv, SN_SAL_WATCHLIST_FREE, blade,
+                        watchlist_num, 0, 0, 0, 0, 0);
+        return rv.status;
+}
 #endif /* _ASM_IA64_SN_SN_SAL_H */