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-rw-r--r--arch/x86/include/asm/efi.h5
-rw-r--r--arch/x86/include/asm/irqflags.h8
-rw-r--r--arch/x86/include/asm/lguest.h3
-rw-r--r--arch/x86/include/asm/lguest_hcall.h18
-rw-r--r--arch/x86/include/asm/pgalloc.h25
-rw-r--r--arch/x86/include/asm/pgtable.h12
-rw-r--r--arch/x86/include/asm/uaccess.h4
-rw-r--r--arch/x86/include/asm/uaccess_64.h10
-rw-r--r--arch/x86/include/asm/uv/uv_bau.h2
-rw-r--r--arch/x86/include/asm/uv/uv_hub.h9
10 files changed, 68 insertions, 28 deletions
diff --git a/arch/x86/include/asm/efi.h b/arch/x86/include/asm/efi.h
index edc90f23e70..8406ed7f992 100644
--- a/arch/x86/include/asm/efi.h
+++ b/arch/x86/include/asm/efi.h
@@ -33,7 +33,7 @@ extern unsigned long asmlinkage efi_call_phys(void *, ...);
#define efi_call_virt6(f, a1, a2, a3, a4, a5, a6) \
efi_call_virt(f, a1, a2, a3, a4, a5, a6)
-#define efi_ioremap(addr, size) ioremap_cache(addr, size)
+#define efi_ioremap(addr, size, type) ioremap_cache(addr, size)
#else /* !CONFIG_X86_32 */
@@ -84,7 +84,8 @@ extern u64 efi_call6(void *fp, u64 arg1, u64 arg2, u64 arg3,
efi_call6((void *)(efi.systab->runtime->f), (u64)(a1), (u64)(a2), \
(u64)(a3), (u64)(a4), (u64)(a5), (u64)(a6))
-extern void __iomem *efi_ioremap(unsigned long addr, unsigned long size);
+extern void __iomem *efi_ioremap(unsigned long addr, unsigned long size,
+ u32 type);
#endif /* CONFIG_X86_32 */
diff --git a/arch/x86/include/asm/irqflags.h b/arch/x86/include/asm/irqflags.h
index 2bdab21f089..c6ccbe7e81a 100644
--- a/arch/x86/include/asm/irqflags.h
+++ b/arch/x86/include/asm/irqflags.h
@@ -12,9 +12,15 @@ static inline unsigned long native_save_fl(void)
{
unsigned long flags;
+ /*
+ * Note: this needs to be "=r" not "=rm", because we have the
+ * stack offset from what gcc expects at the time the "pop" is
+ * executed, and so a memory reference with respect to the stack
+ * would end up using the wrong address.
+ */
asm volatile("# __raw_save_flags\n\t"
"pushf ; pop %0"
- : "=g" (flags)
+ : "=r" (flags)
: /* no input */
: "memory");
diff --git a/arch/x86/include/asm/lguest.h b/arch/x86/include/asm/lguest.h
index 313389cd50d..5136dad57cb 100644
--- a/arch/x86/include/asm/lguest.h
+++ b/arch/x86/include/asm/lguest.h
@@ -17,8 +17,7 @@
/* Pages for switcher itself, then two pages per cpu */
#define TOTAL_SWITCHER_PAGES (SHARED_SWITCHER_PAGES + 2 * nr_cpu_ids)
-/* We map at -4M (-2M when PAE is activated) for ease of mapping
- * into the guest (one PTE page). */
+/* We map at -4M (-2M for PAE) for ease of mapping (one PTE page). */
#ifdef CONFIG_X86_PAE
#define SWITCHER_ADDR 0xFFE00000
#else
diff --git a/arch/x86/include/asm/lguest_hcall.h b/arch/x86/include/asm/lguest_hcall.h
index 33600a66755..ba0eed8aa1a 100644
--- a/arch/x86/include/asm/lguest_hcall.h
+++ b/arch/x86/include/asm/lguest_hcall.h
@@ -30,27 +30,27 @@
#include <asm/hw_irq.h>
#include <asm/kvm_para.h>
-/*G:030 But first, how does our Guest contact the Host to ask for privileged
+/*G:030
+ * But first, how does our Guest contact the Host to ask for privileged
* operations? There are two ways: the direct way is to make a "hypercall",
* to make requests of the Host Itself.
*
- * We use the KVM hypercall mechanism. Seventeen hypercalls are
- * available: the hypercall number is put in the %eax register, and the
- * arguments (when required) are placed in %ebx, %ecx, %edx and %esi.
- * If a return value makes sense, it's returned in %eax.
+ * We use the KVM hypercall mechanism, though completely different hypercall
+ * numbers. Seventeen hypercalls are available: the hypercall number is put in
+ * the %eax register, and the arguments (when required) are placed in %ebx,
+ * %ecx, %edx and %esi. If a return value makes sense, it's returned in %eax.
*
* Grossly invalid calls result in Sudden Death at the hands of the vengeful
* Host, rather than returning failure. This reflects Winston Churchill's
- * definition of a gentleman: "someone who is only rude intentionally". */
-/*:*/
+ * definition of a gentleman: "someone who is only rude intentionally".
+:*/
/* Can't use our min() macro here: needs to be a constant */
#define LGUEST_IRQS (NR_IRQS < 32 ? NR_IRQS: 32)
#define LHCALL_RING_SIZE 64
struct hcall_args {
- /* These map directly onto eax, ebx, ecx, edx and esi
- * in struct lguest_regs */
+ /* These map directly onto eax/ebx/ecx/edx/esi in struct lguest_regs */
unsigned long arg0, arg1, arg2, arg3, arg4;
};
diff --git a/arch/x86/include/asm/pgalloc.h b/arch/x86/include/asm/pgalloc.h
index dd14c54ac71..0e8c2a0fd92 100644
--- a/arch/x86/include/asm/pgalloc.h
+++ b/arch/x86/include/asm/pgalloc.h
@@ -46,7 +46,13 @@ static inline void pte_free(struct mm_struct *mm, struct page *pte)
__free_page(pte);
}
-extern void __pte_free_tlb(struct mmu_gather *tlb, struct page *pte);
+extern void ___pte_free_tlb(struct mmu_gather *tlb, struct page *pte);
+
+static inline void __pte_free_tlb(struct mmu_gather *tlb, struct page *pte,
+ unsigned long address)
+{
+ ___pte_free_tlb(tlb, pte);
+}
static inline void pmd_populate_kernel(struct mm_struct *mm,
pmd_t *pmd, pte_t *pte)
@@ -78,7 +84,13 @@ static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
free_page((unsigned long)pmd);
}
-extern void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd);
+extern void ___pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd);
+
+static inline void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd,
+ unsigned long adddress)
+{
+ ___pmd_free_tlb(tlb, pmd);
+}
#ifdef CONFIG_X86_PAE
extern void pud_populate(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd);
@@ -108,7 +120,14 @@ static inline void pud_free(struct mm_struct *mm, pud_t *pud)
free_page((unsigned long)pud);
}
-extern void __pud_free_tlb(struct mmu_gather *tlb, pud_t *pud);
+extern void ___pud_free_tlb(struct mmu_gather *tlb, pud_t *pud);
+
+static inline void __pud_free_tlb(struct mmu_gather *tlb, pud_t *pud,
+ unsigned long address)
+{
+ ___pud_free_tlb(tlb, pud);
+}
+
#endif /* PAGETABLE_LEVELS > 3 */
#endif /* PAGETABLE_LEVELS > 2 */
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index 3cc06e3fceb..16748077559 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -2,6 +2,7 @@
#define _ASM_X86_PGTABLE_H
#include <asm/page.h>
+#include <asm/e820.h>
#include <asm/pgtable_types.h>
@@ -269,10 +270,17 @@ static inline pgprot_t pgprot_modify(pgprot_t oldprot, pgprot_t newprot)
#define canon_pgprot(p) __pgprot(massage_pgprot(p))
-static inline int is_new_memtype_allowed(unsigned long flags,
- unsigned long new_flags)
+static inline int is_new_memtype_allowed(u64 paddr, unsigned long size,
+ unsigned long flags,
+ unsigned long new_flags)
{
/*
+ * PAT type is always WB for ISA. So no need to check.
+ */
+ if (is_ISA_range(paddr, paddr + size - 1))
+ return 1;
+
+ /*
* Certain new memtypes are not allowed with certain
* requested memtype:
* - request is uncached, return cannot be write-back
diff --git a/arch/x86/include/asm/uaccess.h b/arch/x86/include/asm/uaccess.h
index 20e6a795e16..d2c6c930b49 100644
--- a/arch/x86/include/asm/uaccess.h
+++ b/arch/x86/include/asm/uaccess.h
@@ -212,9 +212,9 @@ extern int __get_user_bad(void);
: "A" ((typeof(*(ptr)))(x)), "c" (ptr) : "ebx")
#else
#define __put_user_asm_u64(x, ptr, retval, errret) \
- __put_user_asm(x, ptr, retval, "q", "", "Zr", errret)
+ __put_user_asm(x, ptr, retval, "q", "", "er", errret)
#define __put_user_asm_ex_u64(x, addr) \
- __put_user_asm_ex(x, addr, "q", "", "Zr")
+ __put_user_asm_ex(x, addr, "q", "", "er")
#define __put_user_x8(x, ptr, __ret_pu) __put_user_x(8, x, ptr, __ret_pu)
#endif
diff --git a/arch/x86/include/asm/uaccess_64.h b/arch/x86/include/asm/uaccess_64.h
index 8cc687326eb..db24b215fc5 100644
--- a/arch/x86/include/asm/uaccess_64.h
+++ b/arch/x86/include/asm/uaccess_64.h
@@ -88,11 +88,11 @@ int __copy_to_user(void __user *dst, const void *src, unsigned size)
ret, "l", "k", "ir", 4);
return ret;
case 8:__put_user_asm(*(u64 *)src, (u64 __user *)dst,
- ret, "q", "", "ir", 8);
+ ret, "q", "", "er", 8);
return ret;
case 10:
__put_user_asm(*(u64 *)src, (u64 __user *)dst,
- ret, "q", "", "ir", 10);
+ ret, "q", "", "er", 10);
if (unlikely(ret))
return ret;
asm("":::"memory");
@@ -101,12 +101,12 @@ int __copy_to_user(void __user *dst, const void *src, unsigned size)
return ret;
case 16:
__put_user_asm(*(u64 *)src, (u64 __user *)dst,
- ret, "q", "", "ir", 16);
+ ret, "q", "", "er", 16);
if (unlikely(ret))
return ret;
asm("":::"memory");
__put_user_asm(1[(u64 *)src], 1 + (u64 __user *)dst,
- ret, "q", "", "ir", 8);
+ ret, "q", "", "er", 8);
return ret;
default:
return copy_user_generic((__force void *)dst, src, size);
@@ -157,7 +157,7 @@ int __copy_in_user(void __user *dst, const void __user *src, unsigned size)
ret, "q", "", "=r", 8);
if (likely(!ret))
__put_user_asm(tmp, (u64 __user *)dst,
- ret, "q", "", "ir", 8);
+ ret, "q", "", "er", 8);
return ret;
}
default:
diff --git a/arch/x86/include/asm/uv/uv_bau.h b/arch/x86/include/asm/uv/uv_bau.h
index bddd44f2f0a..80e2984f521 100644
--- a/arch/x86/include/asm/uv/uv_bau.h
+++ b/arch/x86/include/asm/uv/uv_bau.h
@@ -133,7 +133,7 @@ struct bau_msg_payload {
* see table 4.2.3.0.1 in broacast_assist spec.
*/
struct bau_msg_header {
- unsigned int dest_subnodeid:6; /* must be zero */
+ unsigned int dest_subnodeid:6; /* must be 0x10, for the LB */
/* bits 5:0 */
unsigned int base_dest_nodeid:15; /* nasid>>1 (pnode) of */
/* bits 20:6 */ /* first bit in node_map */
diff --git a/arch/x86/include/asm/uv/uv_hub.h b/arch/x86/include/asm/uv/uv_hub.h
index 341070f7ad5..77a68505419 100644
--- a/arch/x86/include/asm/uv/uv_hub.h
+++ b/arch/x86/include/asm/uv/uv_hub.h
@@ -175,7 +175,7 @@ DECLARE_PER_CPU(struct uv_hub_info_s, __uv_hub_info);
#define UV_GLOBAL_MMR32_PNODE_BITS(p) ((p) << (UV_GLOBAL_MMR32_PNODE_SHIFT))
#define UV_GLOBAL_MMR64_PNODE_BITS(p) \
- ((unsigned long)(UV_PNODE_TO_GNODE(p)) << UV_GLOBAL_MMR64_PNODE_SHIFT)
+ (((unsigned long)(p)) << UV_GLOBAL_MMR64_PNODE_SHIFT)
#define UV_APIC_PNODE_SHIFT 6
@@ -327,6 +327,7 @@ struct uv_blade_info {
unsigned short nr_possible_cpus;
unsigned short nr_online_cpus;
unsigned short pnode;
+ short memory_nid;
};
extern struct uv_blade_info *uv_blade_info;
extern short *uv_node_to_blade;
@@ -363,6 +364,12 @@ static inline int uv_blade_to_pnode(int bid)
return uv_blade_info[bid].pnode;
}
+/* Nid of memory node on blade. -1 if no blade-local memory */
+static inline int uv_blade_to_memory_nid(int bid)
+{
+ return uv_blade_info[bid].memory_nid;
+}
+
/* Determine the number of possible cpus on a blade */
static inline int uv_blade_nr_possible_cpus(int bid)
{
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-03 15:15:59 +0000