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Message-Id: <20180820130330.11704-1-jgross@suse.com>
Date: Mon, 20 Aug 2018 15:03:30 +0200
From: Juergen Gross <jgross@...e.com>
To: linux-kernel@...r.kernel.org, xen-devel@...ts.xenproject.org,
x86@...nel.org
Cc: boris.ostrovsky@...cle.com, hpa@...or.com, tglx@...utronix.de,
mingo@...hat.com, Juergen Gross <jgross@...e.com>
Subject: [PATCH] xen: remove unused hypercall functions
Remove Xen hypercall functions which are used nowhere in the kernel.
Signed-off-by: Juergen Gross <jgross@...e.com>
---
arch/x86/include/asm/xen/hypercall.h | 118 -----------------------------------
1 file changed, 118 deletions(-)
diff --git a/arch/x86/include/asm/xen/hypercall.h b/arch/x86/include/asm/xen/hypercall.h
index 6b2f90a0b149..ef05bea7010d 100644
--- a/arch/x86/include/asm/xen/hypercall.h
+++ b/arch/x86/include/asm/xen/hypercall.h
@@ -197,17 +197,6 @@ extern struct { char _entry[32]; } hypercall_page[];
(type)__res; \
})
-#define _hypercall5(type, name, a1, a2, a3, a4, a5) \
-({ \
- __HYPERCALL_DECLS; \
- __HYPERCALL_5ARG(a1, a2, a3, a4, a5); \
- asm volatile (__HYPERCALL \
- : __HYPERCALL_5PARAM \
- : __HYPERCALL_ENTRY(name) \
- : __HYPERCALL_CLOBBER5); \
- (type)__res; \
-})
-
static inline long
xen_single_call(unsigned int call,
unsigned long a1, unsigned long a2,
@@ -267,47 +256,12 @@ HYPERVISOR_set_gdt(unsigned long *frame_list, int entries)
}
static inline int
-HYPERVISOR_stack_switch(unsigned long ss, unsigned long esp)
-{
- return _hypercall2(int, stack_switch, ss, esp);
-}
-
-#ifdef CONFIG_X86_32
-static inline int
-HYPERVISOR_set_callbacks(unsigned long event_selector,
- unsigned long event_address,
- unsigned long failsafe_selector,
- unsigned long failsafe_address)
-{
- return _hypercall4(int, set_callbacks,
- event_selector, event_address,
- failsafe_selector, failsafe_address);
-}
-#else /* CONFIG_X86_64 */
-static inline int
-HYPERVISOR_set_callbacks(unsigned long event_address,
- unsigned long failsafe_address,
- unsigned long syscall_address)
-{
- return _hypercall3(int, set_callbacks,
- event_address, failsafe_address,
- syscall_address);
-}
-#endif /* CONFIG_X86_{32,64} */
-
-static inline int
HYPERVISOR_callback_op(int cmd, void *arg)
{
return _hypercall2(int, callback_op, cmd, arg);
}
static inline int
-HYPERVISOR_fpu_taskswitch(int set)
-{
- return _hypercall1(int, fpu_taskswitch, set);
-}
-
-static inline int
HYPERVISOR_sched_op(int cmd, void *arg)
{
return _hypercall2(int, sched_op, cmd, arg);
@@ -419,19 +373,6 @@ HYPERVISOR_grant_table_op(unsigned int cmd, void *uop, unsigned int count)
}
static inline int
-HYPERVISOR_update_va_mapping_otherdomain(unsigned long va, pte_t new_val,
- unsigned long flags, domid_t domid)
-{
- if (sizeof(new_val) == sizeof(long))
- return _hypercall4(int, update_va_mapping_otherdomain, va,
- new_val.pte, flags, domid);
- else
- return _hypercall5(int, update_va_mapping_otherdomain, va,
- new_val.pte, new_val.pte >> 32,
- flags, domid);
-}
-
-static inline int
HYPERVISOR_vm_assist(unsigned int cmd, unsigned int type)
{
return _hypercall2(int, vm_assist, cmd, type);
@@ -465,12 +406,6 @@ HYPERVISOR_suspend(unsigned long start_info_mfn)
return _hypercall3(int, sched_op, SCHEDOP_shutdown, &r, start_info_mfn);
}
-static inline int
-HYPERVISOR_nmi_op(unsigned long op, unsigned long arg)
-{
- return _hypercall2(int, nmi_op, op, arg);
-}
-
static inline unsigned long __must_check
HYPERVISOR_hvm_op(int op, void *arg)
{
@@ -529,39 +464,6 @@ MULTI_update_va_mapping(struct multicall_entry *mcl, unsigned long va,
}
static inline void
-MULTI_grant_table_op(struct multicall_entry *mcl, unsigned int cmd,
- void *uop, unsigned int count)
-{
- mcl->op = __HYPERVISOR_grant_table_op;
- mcl->args[0] = cmd;
- mcl->args[1] = (unsigned long)uop;
- mcl->args[2] = count;
-
- trace_xen_mc_entry(mcl, 3);
-}
-
-static inline void
-MULTI_update_va_mapping_otherdomain(struct multicall_entry *mcl, unsigned long va,
- pte_t new_val, unsigned long flags,
- domid_t domid)
-{
- mcl->op = __HYPERVISOR_update_va_mapping_otherdomain;
- mcl->args[0] = va;
- if (sizeof(new_val) == sizeof(long)) {
- mcl->args[1] = new_val.pte;
- mcl->args[2] = flags;
- mcl->args[3] = domid;
- } else {
- mcl->args[1] = new_val.pte;
- mcl->args[2] = new_val.pte >> 32;
- mcl->args[3] = flags;
- mcl->args[4] = domid;
- }
-
- trace_xen_mc_entry(mcl, sizeof(new_val) == sizeof(long) ? 4 : 5);
-}
-
-static inline void
MULTI_update_descriptor(struct multicall_entry *mcl, u64 maddr,
struct desc_struct desc)
{
@@ -582,16 +484,6 @@ MULTI_update_descriptor(struct multicall_entry *mcl, u64 maddr,
}
static inline void
-MULTI_memory_op(struct multicall_entry *mcl, unsigned int cmd, void *arg)
-{
- mcl->op = __HYPERVISOR_memory_op;
- mcl->args[0] = cmd;
- mcl->args[1] = (unsigned long)arg;
-
- trace_xen_mc_entry(mcl, 2);
-}
-
-static inline void
MULTI_mmu_update(struct multicall_entry *mcl, struct mmu_update *req,
int count, int *success_count, domid_t domid)
{
@@ -618,16 +510,6 @@ MULTI_mmuext_op(struct multicall_entry *mcl, struct mmuext_op *op, int count,
}
static inline void
-MULTI_set_gdt(struct multicall_entry *mcl, unsigned long *frames, int entries)
-{
- mcl->op = __HYPERVISOR_set_gdt;
- mcl->args[0] = (unsigned long)frames;
- mcl->args[1] = entries;
-
- trace_xen_mc_entry(mcl, 2);
-}
-
-static inline void
MULTI_stack_switch(struct multicall_entry *mcl,
unsigned long ss, unsigned long esp)
{
--
2.13.7
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