Merge tag 'kvmarm-for-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD

kvmarm updates for 4.11

- GICv3 save restore
- Cache flushing fixes
- MSI injection fix for GICv3 ITS
- Physical timer emulation support

9 files changed, 39 insertions, 18 deletions

diff --git a/arch/powerpc/include/asm/book3s/64/hash-4k.h b/arch/powerpc/include/asm/book3s/64/hash-4k.h
index 1c64bc6330bc..0c4e470571ca 100644
--- a/arch/powerpc/include/asm/book3s/64/hash-4k.h
+++ b/arch/powerpc/include/asm/book3s/64/hash-4k.h
@@ -36,12 +36,13 @@
 #ifdef CONFIG_HUGETLB_PAGE
 static inline int hash__hugepd_ok(hugepd_t hpd)
 {
+	unsigned long hpdval = hpd_val(hpd);
 	/*
 	 * if it is not a pte and have hugepd shift mask
 	 * set, then it is a hugepd directory pointer
 	 */
-	if (!(hpd.pd & _PAGE_PTE) &&
-	    ((hpd.pd & HUGEPD_SHIFT_MASK) != 0))
+	if (!(hpdval & _PAGE_PTE) &&
+	    ((hpdval & HUGEPD_SHIFT_MASK) != 0))
 		return true;
 	return false;
 }
diff --git a/arch/powerpc/include/asm/book3s/64/hash.h b/arch/powerpc/include/asm/book3s/64/hash.h
index f61cad3de4e6..4c935f7504f7 100644
--- a/arch/powerpc/include/asm/book3s/64/hash.h
+++ b/arch/powerpc/include/asm/book3s/64/hash.h
@@ -201,6 +201,10 @@ extern int __meminit hash__vmemmap_create_mapping(unsigned long start,
 					      unsigned long phys);
 extern void hash__vmemmap_remove_mapping(unsigned long start,
 				     unsigned long page_size);
+
+int hash__create_section_mapping(unsigned long start, unsigned long end);
+int hash__remove_section_mapping(unsigned long start, unsigned long end);
+
 #endif /* !__ASSEMBLY__ */
 #endif /* __KERNEL__ */
 #endif /* _ASM_POWERPC_BOOK3S_64_HASH_H */
diff --git a/arch/powerpc/include/asm/hugetlb.h b/arch/powerpc/include/asm/hugetlb.h
index ede215167d1a..7f4025a6c69e 100644
--- a/arch/powerpc/include/asm/hugetlb.h
+++ b/arch/powerpc/include/asm/hugetlb.h
@@ -21,12 +21,12 @@ static inline pte_t *hugepd_page(hugepd_t hpd)
 	 * We have only four bits to encode, MMU page size
 	 */
 	BUILD_BUG_ON((MMU_PAGE_COUNT - 1) > 0xf);
-	return __va(hpd.pd & HUGEPD_ADDR_MASK);
+	return __va(hpd_val(hpd) & HUGEPD_ADDR_MASK);
 }
 
 static inline unsigned int hugepd_mmu_psize(hugepd_t hpd)
 {
-	return (hpd.pd & HUGEPD_SHIFT_MASK) >> 2;
+	return (hpd_val(hpd) & HUGEPD_SHIFT_MASK) >> 2;
 }
 
 static inline unsigned int hugepd_shift(hugepd_t hpd)
@@ -52,18 +52,20 @@ static inline pte_t *hugepd_page(hugepd_t hpd)
 {
 	BUG_ON(!hugepd_ok(hpd));
 #ifdef CONFIG_PPC_8xx
-	return (pte_t *)__va(hpd.pd & ~(_PMD_PAGE_MASK | _PMD_PRESENT_MASK));
+	return (pte_t *)__va(hpd_val(hpd) &
+			     ~(_PMD_PAGE_MASK | _PMD_PRESENT_MASK));
 #else
-	return (pte_t *)((hpd.pd & ~HUGEPD_SHIFT_MASK) | PD_HUGE);
+	return (pte_t *)((hpd_val(hpd) &
+			  ~HUGEPD_SHIFT_MASK) | PD_HUGE);
 #endif
 }
 
 static inline unsigned int hugepd_shift(hugepd_t hpd)
 {
 #ifdef CONFIG_PPC_8xx
-	return ((hpd.pd & _PMD_PAGE_MASK) >> 1) + 17;
+	return ((hpd_val(hpd) & _PMD_PAGE_MASK) >> 1) + 17;
 #else
-	return hpd.pd & HUGEPD_SHIFT_MASK;
+	return hpd_val(hpd) & HUGEPD_SHIFT_MASK;
 #endif
 }
 
diff --git a/arch/powerpc/include/asm/nohash/pgtable.h b/arch/powerpc/include/asm/nohash/pgtable.h
index 172849727054..0cd8a3852763 100644
--- a/arch/powerpc/include/asm/nohash/pgtable.h
+++ b/arch/powerpc/include/asm/nohash/pgtable.h
@@ -227,9 +227,10 @@ extern pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn,
 static inline int hugepd_ok(hugepd_t hpd)
 {
 #ifdef CONFIG_PPC_8xx
-	return ((hpd.pd & 0x4) != 0);
+	return ((hpd_val(hpd) & 0x4) != 0);
 #else
-	return (hpd.pd > 0);
+	/* We clear the top bit to indicate hugepd */
+	return ((hpd_val(hpd) & PD_HUGE) ==  0);
 #endif
 }
 
diff --git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h
index 56398e7e6100..47120bf2670c 100644
--- a/arch/powerpc/include/asm/page.h
+++ b/arch/powerpc/include/asm/page.h
@@ -294,15 +294,12 @@ extern long long virt_phys_offset;
 #include <asm/pgtable-types.h>
 #endif
 
-typedef struct { signed long pd; } hugepd_t;
 
 #ifndef CONFIG_HUGETLB_PAGE
 #define is_hugepd(pdep)		(0)
 #define pgd_huge(pgd)		(0)
 #endif /* CONFIG_HUGETLB_PAGE */
 
-#define __hugepd(x) ((hugepd_t) { (x) })
-
 struct page;
 extern void clear_user_page(void *page, unsigned long vaddr, struct page *pg);
 extern void copy_user_page(void *to, void *from, unsigned long vaddr,
diff --git a/arch/powerpc/include/asm/perf_event_server.h b/arch/powerpc/include/asm/perf_event_server.h
index e157489ee7a1..ae0a23091a9b 100644
--- a/arch/powerpc/include/asm/perf_event_server.h
+++ b/arch/powerpc/include/asm/perf_event_server.h
@@ -65,6 +65,7 @@ struct power_pmu {
 #define PPMU_HAS_SSLOT		0x00000020 /* Has sampled slot in MMCRA */
 #define PPMU_HAS_SIER		0x00000040 /* Has SIER */
 #define PPMU_ARCH_207S		0x00000080 /* PMC is architecture v2.07S */
+#define PPMU_NO_SIAR		0x00000100 /* Do not use SIAR */
 
 /*
  * Values for flags to get_alternatives()
diff --git a/arch/powerpc/include/asm/pgtable-be-types.h b/arch/powerpc/include/asm/pgtable-be-types.h
index 49c0a5a80efa..9c0f5db5cf46 100644
--- a/arch/powerpc/include/asm/pgtable-be-types.h
+++ b/arch/powerpc/include/asm/pgtable-be-types.h
@@ -104,4 +104,12 @@ static inline bool pmd_xchg(pmd_t *pmdp, pmd_t old, pmd_t new)
 	return pmd_raw(old) == prev;
 }
 
+typedef struct { __be64 pdbe; } hugepd_t;
+#define __hugepd(x) ((hugepd_t) { cpu_to_be64(x) })
+
+static inline unsigned long hpd_val(hugepd_t x)
+{
+	return be64_to_cpu(x.pdbe);
+}
+
 #endif /* _ASM_POWERPC_PGTABLE_BE_TYPES_H */
diff --git a/arch/powerpc/include/asm/pgtable-types.h b/arch/powerpc/include/asm/pgtable-types.h
index e7f4f3e0fcde..8bd3b13fe2fb 100644
--- a/arch/powerpc/include/asm/pgtable-types.h
+++ b/arch/powerpc/include/asm/pgtable-types.h
@@ -66,4 +66,11 @@ static inline bool pte_xchg(pte_t *ptep, pte_t old, pte_t new)
 }
 #endif
 
+typedef struct { unsigned long pd; } hugepd_t;
+#define __hugepd(x) ((hugepd_t) { (x) })
+static inline unsigned long hpd_val(hugepd_t x)
+{
+	return x.pd;
+}
+
 #endif /* _ASM_POWERPC_PGTABLE_TYPES_H */
diff --git a/arch/powerpc/include/asm/ppc-opcode.h b/arch/powerpc/include/asm/ppc-opcode.h
index c56ea8c84abb..c4ced1d01d57 100644
--- a/arch/powerpc/include/asm/ppc-opcode.h
+++ b/arch/powerpc/include/asm/ppc-opcode.h
@@ -157,7 +157,7 @@
 #define PPC_INST_MCRXR			0x7c000400
 #define PPC_INST_MCRXR_MASK		0xfc0007fe
 #define PPC_INST_MFSPR_PVR		0x7c1f42a6
-#define PPC_INST_MFSPR_PVR_MASK		0xfc1fffff
+#define PPC_INST_MFSPR_PVR_MASK		0xfc1ffffe
 #define PPC_INST_MFTMR			0x7c0002dc
 #define PPC_INST_MSGSND			0x7c00019c
 #define PPC_INST_MSGCLR			0x7c0001dc
@@ -174,13 +174,13 @@
 #define PPC_INST_RFDI			0x4c00004e
 #define PPC_INST_RFMCI			0x4c00004c
 #define PPC_INST_MFSPR_DSCR		0x7c1102a6
-#define PPC_INST_MFSPR_DSCR_MASK	0xfc1fffff
+#define PPC_INST_MFSPR_DSCR_MASK	0xfc1ffffe
 #define PPC_INST_MTSPR_DSCR		0x7c1103a6
-#define PPC_INST_MTSPR_DSCR_MASK	0xfc1fffff
+#define PPC_INST_MTSPR_DSCR_MASK	0xfc1ffffe
 #define PPC_INST_MFSPR_DSCR_USER	0x7c0302a6
-#define PPC_INST_MFSPR_DSCR_USER_MASK	0xfc1fffff
+#define PPC_INST_MFSPR_DSCR_USER_MASK	0xfc1ffffe
 #define PPC_INST_MTSPR_DSCR_USER	0x7c0303a6
-#define PPC_INST_MTSPR_DSCR_USER_MASK	0xfc1fffff
+#define PPC_INST_MTSPR_DSCR_USER_MASK	0xfc1ffffe
 #define PPC_INST_MFVSRD			0x7c000066
 #define PPC_INST_MTVSRD			0x7c000166
 #define PPC_INST_SLBFEE			0x7c0007a7