paravirt_disable_iospace() isn't used anywhere. Remove it.
Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
---
arch/x86/include/asm/paravirt_types.h | 2 --
arch/x86/kernel/paravirt.c | 19 -------------------
2 files changed, 21 deletions(-)
diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h
index 7465d6fe336f..7a5de42cb465 100644
--- a/arch/x86/include/asm/paravirt_types.h
+++ b/arch/x86/include/asm/paravirt_types.h
@@ -396,8 +396,6 @@ unsigned paravirt_patch_insns(void *insnbuf, unsigned len,
unsigned native_patch(u8 type, u16 clobbers, void *ibuf,
unsigned long addr, unsigned len);
-int paravirt_disable_iospace(void);
-
/*
* This generates an indirect call based on the operation type number.
* The type number, computed in PARAVIRT_PATCH, is derived from the
diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c
index 3586996fc50d..b8b23b3f24c2 100644
--- a/arch/x86/kernel/paravirt.c
+++ b/arch/x86/kernel/paravirt.c
@@ -207,25 +207,6 @@ static u64 native_steal_clock(int cpu)
extern void native_iret(void);
extern void native_usergs_sysret64(void);
-static struct resource reserve_ioports = {
- .start = 0,
- .end = IO_SPACE_LIMIT,
- .name = "paravirt-ioport",
- .flags = IORESOURCE_IO | IORESOURCE_BUSY,
-};
-
-/*
- * Reserve the whole legacy IO space to prevent any legacy drivers
- * from wasting time probing for their hardware. This is a fairly
- * brute-force approach to disabling all non-virtual drivers.
- *
- * Note that this must be called very early to have any effect.
- */
-int paravirt_disable_iospace(void)
-{
- return request_resource(&ioport_resource, &reserve_ioports);
-}
-
static DEFINE_PER_CPU(enum paravirt_lazy_mode, paravirt_lazy_mode) = PARAVIRT_LAZY_NONE;
static inline void enter_lazy(enum paravirt_lazy_mode mode)
--
2.12.0
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