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-rw-r--r--arch/x86/include/asm/e820.h6
-rw-r--r--arch/x86/kernel/apic/x2apic_uv_x.c2
2 files changed, 6 insertions, 2 deletions
diff --git a/arch/x86/include/asm/e820.h b/arch/x86/include/asm/e820.h
index 68b4e0ec195..761249e396f 100644
--- a/arch/x86/include/asm/e820.h
+++ b/arch/x86/include/asm/e820.h
@@ -133,9 +133,13 @@ extern void e820_reserve_resources_late(void);
extern void setup_memory_map(void);
extern char *default_machine_specific_memory_setup(void);
+/*
+ * Returns true iff the specified range [s,e) is completely contained inside
+ * the ISA region.
+ */
static inline bool is_ISA_range(u64 s, u64 e)
{
- return s >= ISA_START_ADDRESS && e < ISA_END_ADDRESS;
+ return s >= ISA_START_ADDRESS && e <= ISA_END_ADDRESS;
}
#endif /* __KERNEL__ */
diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c
index 597a47b1cec..1e09417c992 100644
--- a/arch/x86/kernel/apic/x2apic_uv_x.c
+++ b/arch/x86/kernel/apic/x2apic_uv_x.c
@@ -39,7 +39,7 @@ static u64 gru_start_paddr, gru_end_paddr;
static inline bool is_GRU_range(u64 start, u64 end)
{
- return start >= gru_start_paddr && end < gru_end_paddr;
+ return start >= gru_start_paddr && end <= gru_end_paddr;
}
static bool uv_is_untracked_pat_range(u64 start, u64 end)