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-rw-r--r--arch/sparc/Kconfig10
-rw-r--r--arch/sparc/crypto/md5_glue.c1
-rw-r--r--arch/sparc/crypto/sha1_glue.c1
-rw-r--r--arch/sparc/crypto/sha256_glue.c1
-rw-r--r--arch/sparc/crypto/sha512_glue.c1
-rw-r--r--arch/sparc/include/asm/checksum.h1
-rw-r--r--arch/sparc/include/asm/checksum_32.h15
-rw-r--r--arch/sparc/include/asm/checksum_64.h2
-rw-r--r--arch/sparc/include/asm/floppy_32.h50
-rw-r--r--arch/sparc/include/asm/floppy_64.h59
-rw-r--r--arch/sparc/include/asm/highmem.h25
-rw-r--r--arch/sparc/include/asm/hugetlb.h10
-rw-r--r--arch/sparc/kernel/process_64.c4
-rw-r--r--arch/sparc/kernel/syscalls/syscall.tbl1
-rw-r--r--arch/sparc/mm/highmem.c25
-rw-r--r--arch/sparc/mm/init_64.c45
-rw-r--r--arch/sparc/mm/io-unit.c1
-rw-r--r--arch/sparc/mm/iommu.c1
-rw-r--r--arch/sparc/mm/srmmu.c27
19 files changed, 98 insertions, 182 deletions
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index da515fdad83d..0e4f3891b904 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -65,7 +65,6 @@ config SPARC64
select HAVE_KRETPROBES
select HAVE_KPROBES
select MMU_GATHER_RCU_TABLE_FREE if SMP
- select HAVE_MEMBLOCK_NODE_MAP
select HAVE_ARCH_TRANSPARENT_HUGEPAGE
select HAVE_DYNAMIC_FTRACE
select HAVE_FTRACE_MCOUNT_RECORD
@@ -287,15 +286,6 @@ config NODES_SHIFT
Specify the maximum number of NUMA Nodes available on the target
system. Increases memory reserved to accommodate various tables.
-# Some NUMA nodes have memory ranges that span
-# other nodes. Even though a pfn is valid and
-# between a node's start and end pfns, it may not
-# reside on that node. See memmap_init_zone()
-# for details.
-config NODES_SPAN_OTHER_NODES
- def_bool y
- depends on NEED_MULTIPLE_NODES
-
config ARCH_SPARSEMEM_ENABLE
def_bool y if SPARC64
select SPARSEMEM_VMEMMAP_ENABLE
diff --git a/arch/sparc/crypto/md5_glue.c b/arch/sparc/crypto/md5_glue.c
index 14f6c15be6ae..111283fe837e 100644
--- a/arch/sparc/crypto/md5_glue.c
+++ b/arch/sparc/crypto/md5_glue.c
@@ -18,7 +18,6 @@
#include <linux/init.h>
#include <linux/module.h>
#include <linux/mm.h>
-#include <linux/cryptohash.h>
#include <linux/types.h>
#include <crypto/md5.h>
diff --git a/arch/sparc/crypto/sha1_glue.c b/arch/sparc/crypto/sha1_glue.c
index 7c1666304441..dc017782be52 100644
--- a/arch/sparc/crypto/sha1_glue.c
+++ b/arch/sparc/crypto/sha1_glue.c
@@ -15,7 +15,6 @@
#include <linux/init.h>
#include <linux/module.h>
#include <linux/mm.h>
-#include <linux/cryptohash.h>
#include <linux/types.h>
#include <crypto/sha.h>
diff --git a/arch/sparc/crypto/sha256_glue.c b/arch/sparc/crypto/sha256_glue.c
index f403ce9ba6e4..286bc8ecf15b 100644
--- a/arch/sparc/crypto/sha256_glue.c
+++ b/arch/sparc/crypto/sha256_glue.c
@@ -15,7 +15,6 @@
#include <linux/init.h>
#include <linux/module.h>
#include <linux/mm.h>
-#include <linux/cryptohash.h>
#include <linux/types.h>
#include <crypto/sha.h>
diff --git a/arch/sparc/crypto/sha512_glue.c b/arch/sparc/crypto/sha512_glue.c
index a3b532e43c07..3b2ca732ff7a 100644
--- a/arch/sparc/crypto/sha512_glue.c
+++ b/arch/sparc/crypto/sha512_glue.c
@@ -14,7 +14,6 @@
#include <linux/init.h>
#include <linux/module.h>
#include <linux/mm.h>
-#include <linux/cryptohash.h>
#include <linux/types.h>
#include <crypto/sha.h>
diff --git a/arch/sparc/include/asm/checksum.h b/arch/sparc/include/asm/checksum.h
index c3be56e2e768..a6256cb6fc5c 100644
--- a/arch/sparc/include/asm/checksum.h
+++ b/arch/sparc/include/asm/checksum.h
@@ -1,6 +1,7 @@
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef ___ASM_SPARC_CHECKSUM_H
#define ___ASM_SPARC_CHECKSUM_H
+#define _HAVE_ARCH_COPY_AND_CSUM_FROM_USER
#if defined(__sparc__) && defined(__arch64__)
#include <asm/checksum_64.h>
#else
diff --git a/arch/sparc/include/asm/checksum_32.h b/arch/sparc/include/asm/checksum_32.h
index 5fc98d80b03b..479a0b812af5 100644
--- a/arch/sparc/include/asm/checksum_32.h
+++ b/arch/sparc/include/asm/checksum_32.h
@@ -60,7 +60,7 @@ csum_partial_copy_nocheck(const void *src, void *dst, int len, __wsum sum)
}
static inline __wsum
-csum_partial_copy_from_user(const void __user *src, void *dst, int len,
+csum_and_copy_from_user(const void __user *src, void *dst, int len,
__wsum sum, int *err)
{
register unsigned long ret asm("o0") = (unsigned long)src;
@@ -68,6 +68,12 @@ csum_partial_copy_from_user(const void __user *src, void *dst, int len,
register int l asm("g1") = len;
register __wsum s asm("g7") = sum;
+ if (unlikely(!access_ok(src, len))) {
+ if (len)
+ *err = -EFAULT;
+ return sum;
+ }
+
__asm__ __volatile__ (
".section __ex_table,#alloc\n\t"
".align 4\n\t"
@@ -83,8 +89,10 @@ csum_partial_copy_from_user(const void __user *src, void *dst, int len,
return (__force __wsum)ret;
}
+#define HAVE_CSUM_COPY_USER
+
static inline __wsum
-csum_partial_copy_to_user(const void *src, void __user *dst, int len,
+csum_and_copy_to_user(const void *src, void __user *dst, int len,
__wsum sum, int *err)
{
if (!access_ok(dst, len)) {
@@ -113,9 +121,6 @@ csum_partial_copy_to_user(const void *src, void __user *dst, int len,
}
}
-#define HAVE_CSUM_COPY_USER
-#define csum_and_copy_to_user csum_partial_copy_to_user
-
/* ihl is always 5 or greater, almost always is 5, and iph is word aligned
* the majority of the time.
*/
diff --git a/arch/sparc/include/asm/checksum_64.h b/arch/sparc/include/asm/checksum_64.h
index e52450930e4e..0fa4433f5662 100644
--- a/arch/sparc/include/asm/checksum_64.h
+++ b/arch/sparc/include/asm/checksum_64.h
@@ -46,7 +46,7 @@ long __csum_partial_copy_from_user(const void __user *src,
__wsum sum);
static inline __wsum
-csum_partial_copy_from_user(const void __user *src,
+csum_and_copy_from_user(const void __user *src,
void *dst, int len,
__wsum sum, int *err)
{
diff --git a/arch/sparc/include/asm/floppy_32.h b/arch/sparc/include/asm/floppy_32.h
index b519acf4383d..946dbcbf3a83 100644
--- a/arch/sparc/include/asm/floppy_32.h
+++ b/arch/sparc/include/asm/floppy_32.h
@@ -59,8 +59,8 @@ struct sun_floppy_ops {
static struct sun_floppy_ops sun_fdops;
-#define fd_inb(port) sun_fdops.fd_inb(port)
-#define fd_outb(value,port) sun_fdops.fd_outb(value,port)
+#define fd_inb(base, reg) sun_fdops.fd_inb(reg)
+#define fd_outb(value, base, reg) sun_fdops.fd_outb(value, reg)
#define fd_enable_dma() sun_fd_enable_dma()
#define fd_disable_dma() sun_fd_disable_dma()
#define fd_request_dma() (0) /* nothing... */
@@ -114,15 +114,15 @@ static unsigned char sun_read_dir(void)
static unsigned char sun_82072_fd_inb(int port)
{
udelay(5);
- switch(port & 7) {
+ switch (port) {
default:
printk("floppy: Asked to read unknown port %d\n", port);
panic("floppy: Port bolixed.");
- case 4: /* FD_STATUS */
+ case FD_STATUS:
return sun_fdc->status_82072 & ~STATUS_DMA;
- case 5: /* FD_DATA */
+ case FD_DATA:
return sun_fdc->data_82072;
- case 7: /* FD_DIR */
+ case FD_DIR:
return sun_read_dir();
}
panic("sun_82072_fd_inb: How did I get here?");
@@ -131,20 +131,20 @@ static unsigned char sun_82072_fd_inb(int port)
static void sun_82072_fd_outb(unsigned char value, int port)
{
udelay(5);
- switch(port & 7) {
+ switch (port) {
default:
printk("floppy: Asked to write to unknown port %d\n", port);
panic("floppy: Port bolixed.");
- case 2: /* FD_DOR */
+ case FD_DOR:
sun_set_dor(value, 0);
break;
- case 5: /* FD_DATA */
+ case FD_DATA:
sun_fdc->data_82072 = value;
break;
- case 7: /* FD_DCR */
+ case FD_DCR:
sun_fdc->dcr_82072 = value;
break;
- case 4: /* FD_STATUS */
+ case FD_DSR:
sun_fdc->status_82072 = value;
break;
}
@@ -154,23 +154,23 @@ static void sun_82072_fd_outb(unsigned char value, int port)
static unsigned char sun_82077_fd_inb(int port)
{
udelay(5);
- switch(port & 7) {
+ switch (port) {
default:
printk("floppy: Asked to read unknown port %d\n", port);
panic("floppy: Port bolixed.");
- case 0: /* FD_STATUS_0 */
+ case FD_SRA:
return sun_fdc->status1_82077;
- case 1: /* FD_STATUS_1 */
+ case FD_SRB:
return sun_fdc->status2_82077;
- case 2: /* FD_DOR */
+ case FD_DOR:
return sun_fdc->dor_82077;
- case 3: /* FD_TDR */
+ case FD_TDR:
return sun_fdc->tapectl_82077;
- case 4: /* FD_STATUS */
+ case FD_STATUS:
return sun_fdc->status_82077 & ~STATUS_DMA;
- case 5: /* FD_DATA */
+ case FD_DATA:
return sun_fdc->data_82077;
- case 7: /* FD_DIR */
+ case FD_DIR:
return sun_read_dir();
}
panic("sun_82077_fd_inb: How did I get here?");
@@ -179,23 +179,23 @@ static unsigned char sun_82077_fd_inb(int port)
static void sun_82077_fd_outb(unsigned char value, int port)
{
udelay(5);
- switch(port & 7) {
+ switch (port) {
default:
printk("floppy: Asked to write to unknown port %d\n", port);
panic("floppy: Port bolixed.");
- case 2: /* FD_DOR */
+ case FD_DOR:
sun_set_dor(value, 1);
break;
- case 5: /* FD_DATA */
+ case FD_DATA:
sun_fdc->data_82077 = value;
break;
- case 7: /* FD_DCR */
+ case FD_DCR:
sun_fdc->dcr_82077 = value;
break;
- case 4: /* FD_STATUS */
+ case FD_DSR:
sun_fdc->status_82077 = value;
break;
- case 3: /* FD_TDR */
+ case FD_TDR:
sun_fdc->tapectl_82077 = value;
break;
}
diff --git a/arch/sparc/include/asm/floppy_64.h b/arch/sparc/include/asm/floppy_64.h
index 3729fc35ba83..070c8c1f5c8f 100644
--- a/arch/sparc/include/asm/floppy_64.h
+++ b/arch/sparc/include/asm/floppy_64.h
@@ -47,8 +47,9 @@ unsigned long fdc_status;
static struct platform_device *floppy_op = NULL;
struct sun_floppy_ops {
- unsigned char (*fd_inb) (unsigned long port);
- void (*fd_outb) (unsigned char value, unsigned long port);
+ unsigned char (*fd_inb) (unsigned long port, unsigned int reg);
+ void (*fd_outb) (unsigned char value, unsigned long base,
+ unsigned int reg);
void (*fd_enable_dma) (void);
void (*fd_disable_dma) (void);
void (*fd_set_dma_mode) (int);
@@ -62,8 +63,8 @@ struct sun_floppy_ops {
static struct sun_floppy_ops sun_fdops;
-#define fd_inb(port) sun_fdops.fd_inb(port)
-#define fd_outb(value,port) sun_fdops.fd_outb(value,port)
+#define fd_inb(base, reg) sun_fdops.fd_inb(base, reg)
+#define fd_outb(value, base, reg) sun_fdops.fd_outb(value, base, reg)
#define fd_enable_dma() sun_fdops.fd_enable_dma()
#define fd_disable_dma() sun_fdops.fd_disable_dma()
#define fd_request_dma() (0) /* nothing... */
@@ -97,42 +98,43 @@ static int sun_floppy_types[2] = { 0, 0 };
/* No 64k boundary crossing problems on the Sparc. */
#define CROSS_64KB(a,s) (0)
-static unsigned char sun_82077_fd_inb(unsigned long port)
+static unsigned char sun_82077_fd_inb(unsigned long base, unsigned int reg)
{
udelay(5);
- switch(port & 7) {
+ switch (reg) {
default:
- printk("floppy: Asked to read unknown port %lx\n", port);
+ printk("floppy: Asked to read unknown port %x\n", reg);
panic("floppy: Port bolixed.");
- case 4: /* FD_STATUS */
+ case FD_STATUS:
return sbus_readb(&sun_fdc->status_82077) & ~STATUS_DMA;
- case 5: /* FD_DATA */
+ case FD_DATA:
return sbus_readb(&sun_fdc->data_82077);
- case 7: /* FD_DIR */
+ case FD_DIR:
/* XXX: Is DCL on 0x80 in sun4m? */
return sbus_readb(&sun_fdc->dir_82077);
}
panic("sun_82072_fd_inb: How did I get here?");
}
-static void sun_82077_fd_outb(unsigned char value, unsigned long port)
+static void sun_82077_fd_outb(unsigned char value, unsigned long base,
+ unsigned int reg)
{
udelay(5);
- switch(port & 7) {
+ switch (reg) {
default:
- printk("floppy: Asked to write to unknown port %lx\n", port);
+ printk("floppy: Asked to write to unknown port %x\n", reg);
panic("floppy: Port bolixed.");
- case 2: /* FD_DOR */
+ case FD_DOR:
/* Happily, the 82077 has a real DOR register. */
sbus_writeb(value, &sun_fdc->dor_82077);
break;
- case 5: /* FD_DATA */
+ case FD_DATA:
sbus_writeb(value, &sun_fdc->data_82077);
break;
- case 7: /* FD_DCR */
+ case FD_DCR:
sbus_writeb(value, &sun_fdc->dcr_82077);
break;
- case 4: /* FD_STATUS */
+ case FD_DSR:
sbus_writeb(value, &sun_fdc->status_82077);
break;
}
@@ -298,19 +300,21 @@ static struct sun_pci_dma_op sun_pci_dma_pending = { -1U, 0, 0, NULL};
irqreturn_t floppy_interrupt(int irq, void *dev_id);
-static unsigned char sun_pci_fd_inb(unsigned long port)
+static unsigned char sun_pci_fd_inb(unsigned long base, unsigned int reg)
{
udelay(5);
- return inb(port);
+ return inb(base + reg);
}
-static void sun_pci_fd_outb(unsigned char val, unsigned long port)
+static void sun_pci_fd_outb(unsigned char val, unsigned long base,
+ unsigned int reg)
{
udelay(5);
- outb(val, port);
+ outb(val, base + reg);
}
-static void sun_pci_fd_broken_outb(unsigned char val, unsigned long port)
+static void sun_pci_fd_broken_outb(unsigned char val, unsigned long base,
+ unsigned int reg)
{
udelay(5);
/*
@@ -320,16 +324,17 @@ static void sun_pci_fd_broken_outb(unsigned char val, unsigned long port)
* this does not hurt correct hardware like the AXmp.
* (Eddie, Sep 12 1998).
*/
- if (port == ((unsigned long)sun_fdc) + 2) {
+ if (reg == FD_DOR) {
if (((val & 0x03) == sun_pci_broken_drive) && (val & 0x20)) {
val |= 0x10;
}
}
- outb(val, port);
+ outb(val, base + reg);
}
#ifdef PCI_FDC_SWAP_DRIVES
-static void sun_pci_fd_lde_broken_outb(unsigned char val, unsigned long port)
+static void sun_pci_fd_lde_broken_outb(unsigned char val, unsigned long base,
+ unsigned int reg)
{
udelay(5);
/*
@@ -339,13 +344,13 @@ static void sun_pci_fd_lde_broken_outb(unsigned char val, unsigned long port)
* this does not hurt correct hardware like the AXmp.
* (Eddie, Sep 12 1998).
*/
- if (port == ((unsigned long)sun_fdc) + 2) {
+ if (reg == FD_DOR) {
if (((val & 0x03) == sun_pci_broken_drive) && (val & 0x10)) {
val &= ~(0x03);
val |= 0x21;
}
}
- outb(val, port);
+ outb(val, base + reg);
}
#endif /* PCI_FDC_SWAP_DRIVES */
diff --git a/arch/sparc/include/asm/highmem.h b/arch/sparc/include/asm/highmem.h
index 18d776925c45..ddb03c04f1f3 100644
--- a/arch/sparc/include/asm/highmem.h
+++ b/arch/sparc/include/asm/highmem.h
@@ -25,11 +25,12 @@
#include <asm/vaddrs.h>
#include <asm/kmap_types.h>
#include <asm/pgtable.h>
+#include <asm/pgtsrmmu.h>
/* declarations for highmem.c */
extern unsigned long highstart_pfn, highend_pfn;
-extern pgprot_t kmap_prot;
+#define kmap_prot __pgprot(SRMMU_ET_PTE | SRMMU_PRIV | SRMMU_CACHE)
extern pte_t *pkmap_page_table;
void kmap_init(void) __init;
@@ -50,28 +51,6 @@ void kmap_init(void) __init;
#define PKMAP_END (PKMAP_ADDR(LAST_PKMAP))
-void *kmap_high(struct page *page);
-void kunmap_high(struct page *page);
-
-static inline void *kmap(struct page *page)
-{
- BUG_ON(in_interrupt());
- if (!PageHighMem(page))
- return page_address(page);
- return kmap_high(page);
-}
-
-static inline void kunmap(struct page *page)
-{
- BUG_ON(in_interrupt());
- if (!PageHighMem(page))
- return;
- kunmap_high(page);
-}
-
-void *kmap_atomic(struct page *page);
-void __kunmap_atomic(void *kvaddr);
-
#define flush_cache_kmaps() flush_cache_all()
#endif /* __KERNEL__ */
diff --git a/arch/sparc/include/asm/hugetlb.h b/arch/sparc/include/asm/hugetlb.h
index 3963f80d1cb3..53838a173f62 100644
--- a/arch/sparc/include/asm/hugetlb.h
+++ b/arch/sparc/include/asm/hugetlb.h
@@ -20,12 +20,6 @@ void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr,
pte_t *ptep);
-static inline int is_hugepage_only_range(struct mm_struct *mm,
- unsigned long addr,
- unsigned long len) {
- return 0;
-}
-
#define __HAVE_ARCH_HUGE_PTEP_CLEAR_FLUSH
static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
unsigned long addr, pte_t *ptep)
@@ -53,10 +47,6 @@ static inline int huge_ptep_set_access_flags(struct vm_area_struct *vma,
return changed;
}
-static inline void arch_clear_hugepage_flags(struct page *page)
-{
-}
-
#define __HAVE_ARCH_HUGETLB_FREE_PGD_RANGE
void hugetlb_free_pgd_range(struct mmu_gather *tlb, unsigned long addr,
unsigned long end, unsigned long floor,
diff --git a/arch/sparc/kernel/process_64.c b/arch/sparc/kernel/process_64.c
index 4282116e28e7..423011e60982 100644
--- a/arch/sparc/kernel/process_64.c
+++ b/arch/sparc/kernel/process_64.c
@@ -313,7 +313,7 @@ static void sysrq_handle_globreg(int key)
trigger_all_cpu_backtrace();
}
-static struct sysrq_key_op sparc_globalreg_op = {
+static const struct sysrq_key_op sparc_globalreg_op = {
.handler = sysrq_handle_globreg,
.help_msg = "global-regs(y)",
.action_msg = "Show Global CPU Regs",
@@ -388,7 +388,7 @@ static void sysrq_handle_globpmu(int key)
pmu_snapshot_all_cpus();
}
-static struct sysrq_key_op sparc_globalpmu_op = {
+static const struct sysrq_key_op sparc_globalpmu_op = {
.handler = sysrq_handle_globpmu,
.help_msg = "global-pmu(x)",
.action_msg = "Show Global PMU Regs",
diff --git a/arch/sparc/kernel/syscalls/syscall.tbl b/arch/sparc/kernel/syscalls/syscall.tbl
index f13615ecdecc..8004a276cb74 100644
--- a/arch/sparc/kernel/syscalls/syscall.tbl
+++ b/arch/sparc/kernel/syscalls/syscall.tbl
@@ -483,3 +483,4 @@
# 435 reserved for clone3
437 common openat2 sys_openat2
438 common pidfd_getfd sys_pidfd_getfd
+439 common faccessat2 sys_faccessat2
diff --git a/arch/sparc/mm/highmem.c b/arch/sparc/mm/highmem.c
index d4a80adea7e5..6ff6e2a9f9b3 100644
--- a/arch/sparc/mm/highmem.c
+++ b/arch/sparc/mm/highmem.c
@@ -32,8 +32,6 @@
#include <asm/pgalloc.h>
#include <asm/vaddrs.h>
-pgprot_t kmap_prot;
-
static pte_t *kmap_pte;
void __init kmap_init(void)
@@ -50,19 +48,13 @@ void __init kmap_init(void)
/* cache the first kmap pte */
kmap_pte = pte_offset_kernel(dir, address);
- kmap_prot = __pgprot(SRMMU_ET_PTE | SRMMU_PRIV | SRMMU_CACHE);
}
-void *kmap_atomic(struct page *page)
+void *kmap_atomic_high_prot(struct page *page, pgprot_t prot)
{
unsigned long vaddr;
long idx, type;
- preempt_disable();
- pagefault_disable();
- if (!PageHighMem(page))
- return page_address(page);
-
type = kmap_atomic_idx_push();
idx = type + KM_TYPE_NR*smp_processor_id();
vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx);
@@ -77,7 +69,7 @@ void *kmap_atomic(struct page *page)
#ifdef CONFIG_DEBUG_HIGHMEM
BUG_ON(!pte_none(*(kmap_pte-idx)));
#endif
- set_pte(kmap_pte-idx, mk_pte(page, kmap_prot));
+ set_pte(kmap_pte-idx, mk_pte(page, prot));
/* XXX Fix - Anton */
#if 0
__flush_tlb_one(vaddr);
@@ -87,18 +79,15 @@ void *kmap_atomic(struct page *page)
return (void*) vaddr;
}
-EXPORT_SYMBOL(kmap_atomic);
+EXPORT_SYMBOL(kmap_atomic_high_prot);
-void __kunmap_atomic(void *kvaddr)
+void kunmap_atomic_high(void *kvaddr)
{
unsigned long vaddr = (unsigned long) kvaddr & PAGE_MASK;
int type;
- if (vaddr < FIXADDR_START) { // FIXME
- pagefault_enable();
- preempt_enable();
+ if (vaddr < FIXADDR_START)
return;
- }
type = kmap_atomic_idx();
@@ -131,7 +120,5 @@ void __kunmap_atomic(void *kvaddr)
#endif
kmap_atomic_idx_pop();
- pagefault_enable();
- preempt_enable();
}
-EXPORT_SYMBOL(__kunmap_atomic);
+EXPORT_SYMBOL(kunmap_atomic_high);
diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
index b488d4587793..2ef6826a6ca6 100644
--- a/arch/sparc/mm/init_64.c
+++ b/arch/sparc/mm/init_64.c
@@ -325,23 +325,12 @@ static void __update_mmu_tsb_insert(struct mm_struct *mm, unsigned long tsb_inde
}
#ifdef CONFIG_HUGETLB_PAGE
-static void __init add_huge_page_size(unsigned long size)
-{
- unsigned int order;
-
- if (size_to_hstate(size))
- return;
-
- order = ilog2(size) - PAGE_SHIFT;
- hugetlb_add_hstate(order);
-}
-
static int __init hugetlbpage_init(void)
{
- add_huge_page_size(1UL << HPAGE_64K_SHIFT);
- add_huge_page_size(1UL << HPAGE_SHIFT);
- add_huge_page_size(1UL << HPAGE_256MB_SHIFT);
- add_huge_page_size(1UL << HPAGE_2GB_SHIFT);
+ hugetlb_add_hstate(HPAGE_64K_SHIFT - PAGE_SHIFT);
+ hugetlb_add_hstate(HPAGE_SHIFT - PAGE_SHIFT);
+ hugetlb_add_hstate(HPAGE_256MB_SHIFT - PAGE_SHIFT);
+ hugetlb_add_hstate(HPAGE_2GB_SHIFT - PAGE_SHIFT);
return 0;
}
@@ -360,16 +349,11 @@ static void __init pud_huge_patch(void)
__asm__ __volatile__("flush %0" : : "r" (addr));
}
-static int __init setup_hugepagesz(char *string)
+bool __init arch_hugetlb_valid_size(unsigned long size)
{
- unsigned long long hugepage_size;
- unsigned int hugepage_shift;
+ unsigned int hugepage_shift = ilog2(size);
unsigned short hv_pgsz_idx;
unsigned int hv_pgsz_mask;
- int rc = 0;
-
- hugepage_size = memparse(string, &string);
- hugepage_shift = ilog2(hugepage_size);
switch (hugepage_shift) {
case HPAGE_16GB_SHIFT:
@@ -397,20 +381,11 @@ static int __init setup_hugepagesz(char *string)
hv_pgsz_mask = 0;
}
- if ((hv_pgsz_mask & cpu_pgsz_mask) == 0U) {
- hugetlb_bad_size();
- pr_err("hugepagesz=%llu not supported by MMU.\n",
- hugepage_size);
- goto out;
- }
-
- add_huge_page_size(hugepage_size);
- rc = 1;
+ if ((hv_pgsz_mask & cpu_pgsz_mask) == 0U)
+ return false;
-out:
- return rc;
+ return true;
}
-__setup("hugepagesz=", setup_hugepagesz);
#endif /* CONFIG_HUGETLB_PAGE */
void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t *ptep)
@@ -2488,7 +2463,7 @@ void __init paging_init(void)
max_zone_pfns[ZONE_NORMAL] = end_pfn;
- free_area_init_nodes(max_zone_pfns);
+ free_area_init(max_zone_pfns);
}
printk("Booting Linux...\n");
diff --git a/arch/sparc/mm/io-unit.c b/arch/sparc/mm/io-unit.c
index 289276b99b01..08238d989cfd 100644
--- a/arch/sparc/mm/io-unit.c
+++ b/arch/sparc/mm/io-unit.c
@@ -10,7 +10,6 @@
#include <linux/slab.h>
#include <linux/spinlock.h>
#include <linux/mm.h>
-#include <linux/highmem.h> /* pte_offset_map => kmap_atomic */
#include <linux/bitops.h>
#include <linux/dma-mapping.h>
#include <linux/of.h>
diff --git a/arch/sparc/mm/iommu.c b/arch/sparc/mm/iommu.c
index b00dde13681b..f1e08e30b64e 100644
--- a/arch/sparc/mm/iommu.c
+++ b/arch/sparc/mm/iommu.c
@@ -12,7 +12,6 @@
#include <linux/init.h>
#include <linux/mm.h>
#include <linux/slab.h>
-#include <linux/highmem.h> /* pte_offset_map => kmap_atomic */
#include <linux/dma-mapping.h>
#include <linux/of.h>
#include <linux/of_device.h>
diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c
index 116d19a390f2..989da22ba8e9 100644
--- a/arch/sparc/mm/srmmu.c
+++ b/arch/sparc/mm/srmmu.c
@@ -313,9 +313,9 @@ static void __init srmmu_nocache_init(void)
while (vaddr < srmmu_nocache_end) {
pgd = pgd_offset_k(vaddr);
- p4d = p4d_offset(__nocache_fix(pgd), vaddr);
- pud = pud_offset(__nocache_fix(p4d), vaddr);
- pmd = pmd_offset(__nocache_fix(pgd), vaddr);
+ p4d = p4d_offset(pgd, vaddr);
+ pud = pud_offset(p4d, vaddr);
+ pmd = pmd_offset(__nocache_fix(pud), vaddr);
pte = pte_offset_kernel(__nocache_fix(pmd), vaddr);
pteval = ((paddr >> 4) | SRMMU_ET_PTE | SRMMU_PRIV);
@@ -984,24 +984,13 @@ void __init srmmu_paging_init(void)
kmap_init();
{
- unsigned long zones_size[MAX_NR_ZONES];
- unsigned long zholes_size[MAX_NR_ZONES];
- unsigned long npages;
- int znum;
+ unsigned long max_zone_pfn[MAX_NR_ZONES] = { 0 };
- for (znum = 0; znum < MAX_NR_ZONES; znum++)
- zones_size[znum] = zholes_size[znum] = 0;
+ max_zone_pfn[ZONE_DMA] = max_low_pfn;
+ max_zone_pfn[ZONE_NORMAL] = max_low_pfn;
+ max_zone_pfn[ZONE_HIGHMEM] = highend_pfn;
- npages = max_low_pfn - pfn_base;
-
- zones_size[ZONE_DMA] = npages;
- zholes_size[ZONE_DMA] = npages - pages_avail;
-
- npages = highend_pfn - max_low_pfn;
- zones_size[ZONE_HIGHMEM] = npages;
- zholes_size[ZONE_HIGHMEM] = npages - calc_highpages();
-
- free_area_init_node(0, zones_size, pfn_base, zholes_size);
+ free_area_init(max_zone_pfn);
}
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-04 22:09:45 +0000