Commit 5f53d286 authored by Aneesh Kumar K.V's avatar Aneesh Kumar K.V Committed by Michael Ellerman
Browse files

powerpc/mm/hash: Rename KERNEL_REGION_ID to LINEAR_MAP_REGION_ID 



The region actually point to linear map. Rename the #define to
clarify thati.

Signed-off-by: default avatarAneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
parent a092a03f

arch/powerpc/include/asm/book3s/64/hash.h

+2 −2
Original line number Diff line number Diff line
@@ -89,7 +89,7 @@ 
 * Region IDs

 */

#define USER_REGION_ID		0

#define KERNEL_REGION_ID	1

#define LINEAR_MAP_REGION_ID	1

#define VMALLOC_REGION_ID	NON_LINEAR_REGION_ID(H_VMALLOC_START)

#define IO_REGION_ID		NON_LINEAR_REGION_ID(H_KERN_IO_START)

#define VMEMMAP_REGION_ID	NON_LINEAR_REGION_ID(H_VMEMMAP_START)
@@ -120,7 +120,7 @@ static inline int get_region_id(unsigned long ea) 
		return USER_REGION_ID;



	if (ea < H_KERN_VIRT_START)

		return KERNEL_REGION_ID;

		return LINEAR_MAP_REGION_ID;



	VM_BUG_ON(id != 0xc);

	BUILD_BUG_ON(NON_LINEAR_REGION_ID(H_VMALLOC_START) != 2);

arch/powerpc/include/asm/book3s/64/mmu-hash.h

+1 −1
Original line number Diff line number Diff line
@@ -817,7 +817,7 @@ static inline unsigned long get_kernel_context(unsigned long ea) 
	 * Depending on Kernel config, kernel region can have one context

	 * or more.

	 */

	if (region_id == KERNEL_REGION_ID) {

	if (region_id == LINEAR_MAP_REGION_ID) {

		/*

		 * We already verified ea to be not beyond the addr limit.

		 */

arch/powerpc/mm/copro_fault.c

+2 −2
Original line number Diff line number Diff line
@@ -129,8 +129,8 @@ int copro_calculate_slb(struct mm_struct *mm, u64 ea, struct copro_slb *slb) 
		vsid = get_kernel_vsid(ea, mmu_kernel_ssize);

		vsidkey = SLB_VSID_KERNEL;

		break;

	case KERNEL_REGION_ID:

		pr_devel("%s: 0x%llx -- KERNEL_REGION_ID\n", __func__, ea);

	case LINEAR_MAP_REGION_ID:

		pr_devel("%s: 0x%llx -- LINEAR_MAP_REGION_ID\n", __func__, ea);

		psize = mmu_linear_psize;

		ssize = mmu_kernel_ssize;

		vsid = get_kernel_vsid(ea, mmu_kernel_ssize);

arch/powerpc/mm/slb.c

+2 −2
Original line number Diff line number Diff line
@@ -691,7 +691,7 @@ static long slb_allocate_kernel(unsigned long ea, unsigned long id) 
	unsigned long flags;

	int ssize;



	if (id == KERNEL_REGION_ID) {

	if (id == LINEAR_MAP_REGION_ID) {



		/* We only support upto MAX_PHYSMEM_BITS */

		if ((ea & EA_MASK) > (1UL << MAX_PHYSMEM_BITS))
@@ -790,7 +790,7 @@ long do_slb_fault(struct pt_regs *regs, unsigned long ea) 
	 * first class kernel code. But for performance it's probably nicer

	 * if they go via fast_exception_return too.

	 */

	if (id >= KERNEL_REGION_ID) {

	if (id >= LINEAR_MAP_REGION_ID) {

		long err;

#ifdef CONFIG_DEBUG_VM

		/* Catch recursive kernel SLB faults. */

arch/powerpc/platforms/cell/spu_base.c

+1 −1
Original line number Diff line number Diff line
@@ -224,7 +224,7 @@ static void __spu_kernel_slb(void *addr, struct copro_slb *slb) 
	unsigned long ea = (unsigned long)addr;

	u64 llp;



	if (get_region_id(ea) == KERNEL_REGION_ID)

	if (get_region_id(ea) == LINEAR_MAP_REGION_ID)

		llp = mmu_psize_defs[mmu_linear_psize].sllp;

	else

		llp = mmu_psize_defs[mmu_virtual_psize].sllp;