x86: remove the second argument of k[un]map_atomic()

Acked-by: Avi Kivity <avi@redhat.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Cong Wang <amwang@redhat.com>

diff --git a/arch/x86/crypto/aesni-intel_glue.c b/arch/x86/crypto/aesni-intel_glue.c
index 545d0ce..152232d 100644 (file)
--- a/arch/x86/crypto/aesni-intel_glue.c
+++ b/arch/x86/crypto/aesni-intel_glue.c
@@ -1107,12 +1107,12 @@ static int __driver_rfc4106_encrypt(struct aead_request *req)
                one_entry_in_sg = 1;
                scatterwalk_start(&src_sg_walk, req->src);
                scatterwalk_start(&assoc_sg_walk, req->assoc);
-               src = scatterwalk_map(&src_sg_walk, 0);
-               assoc = scatterwalk_map(&assoc_sg_walk, 0);
+               src = scatterwalk_map(&src_sg_walk);
+               assoc = scatterwalk_map(&assoc_sg_walk);
                dst = src;
                if (unlikely(req->src != req->dst)) {
                        scatterwalk_start(&dst_sg_walk, req->dst);
-                       dst = scatterwalk_map(&dst_sg_walk, 0);
+                       dst = scatterwalk_map(&dst_sg_walk);
                }
 
        } else {
@@ -1136,11 +1136,11 @@ static int __driver_rfc4106_encrypt(struct aead_request *req)
         * back to the packet. */
        if (one_entry_in_sg) {
                if (unlikely(req->src != req->dst)) {
-                       scatterwalk_unmap(dst, 0);
+                       scatterwalk_unmap(dst);
                        scatterwalk_done(&dst_sg_walk, 0, 0);
                }
-               scatterwalk_unmap(src, 0);
-               scatterwalk_unmap(assoc, 0);
+               scatterwalk_unmap(src);
+               scatterwalk_unmap(assoc);
                scatterwalk_done(&src_sg_walk, 0, 0);
                scatterwalk_done(&assoc_sg_walk, 0, 0);
        } else {
@@ -1189,12 +1189,12 @@ static int __driver_rfc4106_decrypt(struct aead_request *req)
                one_entry_in_sg = 1;
                scatterwalk_start(&src_sg_walk, req->src);
                scatterwalk_start(&assoc_sg_walk, req->assoc);
-               src = scatterwalk_map(&src_sg_walk, 0);
-               assoc = scatterwalk_map(&assoc_sg_walk, 0);
+               src = scatterwalk_map(&src_sg_walk);
+               assoc = scatterwalk_map(&assoc_sg_walk);
                dst = src;
                if (unlikely(req->src != req->dst)) {
                        scatterwalk_start(&dst_sg_walk, req->dst);
-                       dst = scatterwalk_map(&dst_sg_walk, 0);
+                       dst = scatterwalk_map(&dst_sg_walk);
                }
 
        } else {
@@ -1219,11 +1219,11 @@ static int __driver_rfc4106_decrypt(struct aead_request *req)
 
        if (one_entry_in_sg) {
                if (unlikely(req->src != req->dst)) {
-                       scatterwalk_unmap(dst, 0);
+                       scatterwalk_unmap(dst);
                        scatterwalk_done(&dst_sg_walk, 0, 0);
                }
-               scatterwalk_unmap(src, 0);
-               scatterwalk_unmap(assoc, 0);
+               scatterwalk_unmap(src);
+               scatterwalk_unmap(assoc);
                scatterwalk_done(&src_sg_walk, 0, 0);
                scatterwalk_done(&assoc_sg_walk, 0, 0);
        } else {

diff --git a/arch/x86/kernel/crash_dump_32.c b/arch/x86/kernel/crash_dump_32.c
index 642f75a..11891ca 100644 (file)
--- a/arch/x86/kernel/crash_dump_32.c
+++ b/arch/x86/kernel/crash_dump_32.c
@@ -62,16 +62,16 @@ ssize_t copy_oldmem_page(unsigned long pfn, char *buf,
 
        if (!userbuf) {
                memcpy(buf, (vaddr + offset), csize);
-               kunmap_atomic(vaddr, KM_PTE0);
+               kunmap_atomic(vaddr);
        } else {
                if (!kdump_buf_page) {
                        printk(KERN_WARNING "Kdump: Kdump buffer page not"
                                " allocated\n");
-                       kunmap_atomic(vaddr, KM_PTE0);
+                       kunmap_atomic(vaddr);
                        return -EFAULT;
                }
                copy_page(kdump_buf_page, vaddr);
-               kunmap_atomic(vaddr, KM_PTE0);
+               kunmap_atomic(vaddr);
                if (copy_to_user(buf, (kdump_buf_page + offset), csize))
                        return -EFAULT;
        }

diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index cfdc6e0..31bfc69 100644 (file)
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -1283,9 +1283,9 @@ void kvm_lapic_sync_from_vapic(struct kvm_vcpu *vcpu)
        if (!irqchip_in_kernel(vcpu->kvm) || !vcpu->arch.apic->vapic_addr)
                return;
 
-       vapic = kmap_atomic(vcpu->arch.apic->vapic_page, KM_USER0);
+       vapic = kmap_atomic(vcpu->arch.apic->vapic_page);
        data = *(u32 *)(vapic + offset_in_page(vcpu->arch.apic->vapic_addr));
-       kunmap_atomic(vapic, KM_USER0);
+       kunmap_atomic(vapic);
 
        apic_set_tpr(vcpu->arch.apic, data & 0xff);
 }
@@ -1310,9 +1310,9 @@ void kvm_lapic_sync_to_vapic(struct kvm_vcpu *vcpu)
                max_isr = 0;
        data = (tpr & 0xff) | ((max_isr & 0xf0) << 8) | (max_irr << 24);
 
-       vapic = kmap_atomic(vcpu->arch.apic->vapic_page, KM_USER0);
+       vapic = kmap_atomic(vcpu->arch.apic->vapic_page);
        *(u32 *)(vapic + offset_in_page(vcpu->arch.apic->vapic_addr)) = data;
-       kunmap_atomic(vapic, KM_USER0);
+       kunmap_atomic(vapic);
 }
 
 void kvm_lapic_set_vapic_addr(struct kvm_vcpu *vcpu, gpa_t vapic_addr)

diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h
index 1561028..df5a703 100644 (file)
--- a/arch/x86/kvm/paging_tmpl.h
+++ b/arch/x86/kvm/paging_tmpl.h
@@ -92,9 +92,9 @@ static int FNAME(cmpxchg_gpte)(struct kvm_vcpu *vcpu, struct kvm_mmu *mmu,
        if (unlikely(npages != 1))
                return -EFAULT;
 
-       table = kmap_atomic(page, KM_USER0);
+       table = kmap_atomic(page);
        ret = CMPXCHG(&table[index], orig_pte, new_pte);
-       kunmap_atomic(table, KM_USER0);
+       kunmap_atomic(table);
 
        kvm_release_page_dirty(page);
 

diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 9cbfc06..bb4fd26 100644 (file)
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -1162,12 +1162,12 @@ static int kvm_guest_time_update(struct kvm_vcpu *v)
         */
        vcpu->hv_clock.version += 2;
 
-       shared_kaddr = kmap_atomic(vcpu->time_page, KM_USER0);
+       shared_kaddr = kmap_atomic(vcpu->time_page);
 
        memcpy(shared_kaddr + vcpu->time_offset, &vcpu->hv_clock,
               sizeof(vcpu->hv_clock));
 
-       kunmap_atomic(shared_kaddr, KM_USER0);
+       kunmap_atomic(shared_kaddr);
 
        mark_page_dirty(v->kvm, vcpu->time >> PAGE_SHIFT);
        return 0;
@@ -3848,7 +3848,7 @@ static int emulator_cmpxchg_emulated(struct x86_emulate_ctxt *ctxt,
                goto emul_write;
        }
 
-       kaddr = kmap_atomic(page, KM_USER0);
+       kaddr = kmap_atomic(page);
        kaddr += offset_in_page(gpa);
        switch (bytes) {
        case 1:
@@ -3866,7 +3866,7 @@ static int emulator_cmpxchg_emulated(struct x86_emulate_ctxt *ctxt,
        default:
                BUG();
        }
-       kunmap_atomic(kaddr, KM_USER0);
+       kunmap_atomic(kaddr);
        kvm_release_page_dirty(page);
 
        if (!exchanged)

diff --git a/arch/x86/lib/usercopy_32.c b/arch/x86/lib/usercopy_32.c
index e218d5d..d9b094c 100644 (file)
--- a/arch/x86/lib/usercopy_32.c
+++ b/arch/x86/lib/usercopy_32.c
@@ -760,9 +760,9 @@ survive:
                                break;
                        }
 
-                       maddr = kmap_atomic(pg, KM_USER0);
+                       maddr = kmap_atomic(pg);
                        memcpy(maddr + offset, from, len);
-                       kunmap_atomic(maddr, KM_USER0);
+                       kunmap_atomic(maddr);
                        set_page_dirty_lock(pg);
                        put_page(pg);
                        up_read(&current->mm->mmap_sem);