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authorPaolo Bonzini <pbonzini@redhat.com>2014-07-08 12:08:58 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2014-07-08 12:08:58 +0200
commitbb18b526a9d8d4a3fe56f234d5013b9f6036978d (patch)
tree03ce58d715aed26507a1c87476dcc4480a4d2b28 /arch/powerpc/include
parent9242b5b60df8b13b469bc6b7be08ff6ebb551ad3 (diff)
parent19a44ecff52fd67d77d49fb4d43b289c53cdc392 (diff)
downloadop-kernel-dev-bb18b526a9d8d4a3fe56f234d5013b9f6036978d.zip
op-kernel-dev-bb18b526a9d8d4a3fe56f234d5013b9f6036978d.tar.gz
Merge tag 'signed-for-3.16' of git://github.com/agraf/linux-2.6 into kvm-master
Patch queue for 3.16 - 2014-07-08 A few bug fixes to make 3.16 work well with KVM on PowerPC: - Fix ppc32 module builds - Fix Little Endian hosts - Fix Book3S HV HPTE lookup with huge pages in guest - Fix BookE lock leak
Diffstat (limited to 'arch/powerpc/include')
-rw-r--r--arch/powerpc/include/asm/kvm_book3s_64.h19
-rw-r--r--arch/powerpc/include/asm/ppc_asm.h2
2 files changed, 19 insertions, 2 deletions
diff --git a/arch/powerpc/include/asm/kvm_book3s_64.h b/arch/powerpc/include/asm/kvm_book3s_64.h
index fddb72b..d645428 100644
--- a/arch/powerpc/include/asm/kvm_book3s_64.h
+++ b/arch/powerpc/include/asm/kvm_book3s_64.h
@@ -198,8 +198,10 @@ static inline unsigned long compute_tlbie_rb(unsigned long v, unsigned long r,
return rb;
}
-static inline unsigned long hpte_page_size(unsigned long h, unsigned long l)
+static inline unsigned long __hpte_page_size(unsigned long h, unsigned long l,
+ bool is_base_size)
{
+
int size, a_psize;
/* Look at the 8 bit LP value */
unsigned int lp = (l >> LP_SHIFT) & ((1 << LP_BITS) - 1);
@@ -214,14 +216,27 @@ static inline unsigned long hpte_page_size(unsigned long h, unsigned long l)
continue;
a_psize = __hpte_actual_psize(lp, size);
- if (a_psize != -1)
+ if (a_psize != -1) {
+ if (is_base_size)
+ return 1ul << mmu_psize_defs[size].shift;
return 1ul << mmu_psize_defs[a_psize].shift;
+ }
}
}
return 0;
}
+static inline unsigned long hpte_page_size(unsigned long h, unsigned long l)
+{
+ return __hpte_page_size(h, l, 0);
+}
+
+static inline unsigned long hpte_base_page_size(unsigned long h, unsigned long l)
+{
+ return __hpte_page_size(h, l, 1);
+}
+
static inline unsigned long hpte_rpn(unsigned long ptel, unsigned long psize)
{
return ((ptel & HPTE_R_RPN) & ~(psize - 1)) >> PAGE_SHIFT;
diff --git a/arch/powerpc/include/asm/ppc_asm.h b/arch/powerpc/include/asm/ppc_asm.h
index 9ea266e..7e46125 100644
--- a/arch/powerpc/include/asm/ppc_asm.h
+++ b/arch/powerpc/include/asm/ppc_asm.h
@@ -277,6 +277,8 @@ n:
.globl n; \
n:
+#define _GLOBAL_TOC(name) _GLOBAL(name)
+
#define _KPROBE(n) \
.section ".kprobes.text","a"; \
.globl n; \
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