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xen: remove unused function xen_set_domain_pte()

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The function xen_set_domain_pte() is used nowhere in the kernel.
Remove it.

Signed-off-by: Juergen Gross <jgross@suse.com>
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
This commit is contained in:
Juergen Gross 2017-08-04 13:36:12 +02:00 committed by Boris Ostrovsky
parent 82616f9599
commit 882bbe56ae
3 changed files with 0 additions and 40 deletions
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2
arch/x86/include/asm/xen/page.h
View File

@ -314,8 +314,6 @@ static inline pte_t __pte_ma(pteval_t x)
#define p4d_val_ma(x) ((x).p4d)
#endif
void xen_set_domain_pte(pte_t *ptep, pte_t pteval, unsigned domid);
xmaddr_t arbitrary_virt_to_machine(void *address);
unsigned long arbitrary_virt_to_mfn(void *vaddr);
void make_lowmem_page_readonly(void *vaddr);

20
arch/x86/xen/mmu_pv.c
View File

@ -162,26 +162,6 @@ static bool xen_page_pinned(void *ptr)
return PagePinned(page);
}
void xen_set_domain_pte(pte_t *ptep, pte_t pteval, unsigned domid)
{
struct multicall_space mcs;
struct mmu_update *u;
trace_xen_mmu_set_domain_pte(ptep, pteval, domid);
mcs = xen_mc_entry(sizeof(*u));
u = mcs.args;
/* ptep might be kmapped when using 32-bit HIGHPTE */
u->ptr = virt_to_machine(ptep).maddr;
u->val = pte_val_ma(pteval);
MULTI_mmu_update(mcs.mc, mcs.args, 1, NULL, domid);
xen_mc_issue(PARAVIRT_LAZY_MMU);
}
EXPORT_SYMBOL_GPL(xen_set_domain_pte);
static void xen_extend_mmu_update(const struct mmu_update *update)
{
struct multicall_space mcs;

18
include/trace/events/xen.h
View File

@ -149,24 +149,6 @@ DECLARE_EVENT_CLASS(xen_mmu__set_pte,
DEFINE_XEN_MMU_SET_PTE(xen_mmu_set_pte);
DEFINE_XEN_MMU_SET_PTE(xen_mmu_set_pte_atomic);
TRACE_EVENT(xen_mmu_set_domain_pte,
TP_PROTO(pte_t *ptep, pte_t pteval, unsigned domid),
TP_ARGS(ptep, pteval, domid),
TP_STRUCT__entry(
__field(pte_t *, ptep)
__field(pteval_t, pteval)
__field(unsigned, domid)
),
TP_fast_assign(__entry->ptep = ptep;
__entry->pteval = pteval.pte;
__entry->domid = domid),
TP_printk("ptep %p pteval %0*llx (raw %0*llx) domid %u",
__entry->ptep,
(int)sizeof(pteval_t) * 2, (unsigned long long)pte_val(native_make_pte(__entry->pteval)),
(int)sizeof(pteval_t) * 2, (unsigned long long)__entry->pteval,
__entry->domid)
);
TRACE_EVENT(xen_mmu_set_pte_at,
TP_PROTO(struct mm_struct *mm, unsigned long addr,
pte_t *ptep, pte_t pteval),