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x86/paravirt: Remove no longer used paravirt functions

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With removal of lguest some of the paravirt functions are no longer
needed:

	->read_cr4()
	->store_idt()
	->set_pmd_at()
	->set_pud_at()
	->pte_update()

Remove them.

Signed-off-by: Juergen Gross <jgross@suse.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: akataria@vmware.com
Cc: boris.ostrovsky@oracle.com
Cc: chrisw@sous-sol.org
Cc: jeremy@goop.org
Cc: rusty@rustcorp.com.au
Cc: virtualization@lists.linux-foundation.org
Cc: xen-devel@lists.xenproject.org
Link: http://lkml.kernel.org/r/20170904102527.25409-1-jgross@suse.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Juergen Gross
2017-09-04 12:25:27 +02:00
committed by Ingo Molnar
parent c7ad5ad297
commit 87930019c7
10 changed files with 12 additions and 92 deletions
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7
arch/x86/mm/pgtable.c
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@@ -426,10 +426,8 @@ int ptep_set_access_flags(struct vm_area_struct *vma,
{
int changed = !pte_same(*ptep, entry);
if (changed && dirty) {
if (changed && dirty)
*ptep = entry;
pte_update(vma->vm_mm, address, ptep);
}
return changed;
}
@@ -486,9 +484,6 @@ int ptep_test_and_clear_young(struct vm_area_struct *vma,
ret = test_and_clear_bit(_PAGE_BIT_ACCESSED,
(unsigned long *) &ptep->pte);
if (ret)
pte_update(vma->vm_mm, addr, ptep);
return ret;
}