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-rw-r--r--arch/sparc/Kconfig1
-rw-r--r--arch/sparc/crypto/Kconfig10
-rw-r--r--arch/sparc/crypto/Makefile4
-rw-r--r--arch/sparc/crypto/crc32c_glue.c184
-rw-r--r--arch/sparc/include/asm/pgtable_64.h2
-rw-r--r--arch/sparc/include/asm/tlb_64.h1
-rw-r--r--arch/sparc/include/uapi/asm/socket.h2
-rw-r--r--arch/sparc/kernel/irq_32.c12
-rw-r--r--arch/sparc/kernel/irq_64.c11
-rw-r--r--arch/sparc/kernel/pci.c2
-rw-r--r--arch/sparc/kernel/pci_common.c2
-rw-r--r--arch/sparc/kernel/prom_32.c4
-rw-r--r--arch/sparc/kernel/vio.c6
-rw-r--r--arch/sparc/lib/Makefile2
-rw-r--r--arch/sparc/lib/crc32_glue.c93
-rw-r--r--arch/sparc/lib/crc32c_asm.S (renamed from arch/sparc/crypto/crc32c_asm.S)2
-rw-r--r--arch/sparc/mm/init_64.c2
-rw-r--r--arch/sparc/mm/srmmu.c16
-rw-r--r--arch/sparc/mm/tlb.c5
19 files changed, 126 insertions, 235 deletions
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index dcfdb7f1dae9..0f88123925a4 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -110,6 +110,7 @@ config SPARC64
select HAVE_SETUP_PER_CPU_AREA
select NEED_PER_CPU_EMBED_FIRST_CHUNK
select NEED_PER_CPU_PAGE_FIRST_CHUNK
+ select ARCH_HAS_CRC32
config ARCH_PROC_KCORE_TEXT
def_bool y
diff --git a/arch/sparc/crypto/Kconfig b/arch/sparc/crypto/Kconfig
index cfe5102b1c68..e858597de89d 100644
--- a/arch/sparc/crypto/Kconfig
+++ b/arch/sparc/crypto/Kconfig
@@ -16,16 +16,6 @@ config CRYPTO_DES_SPARC64
Architecture: sparc64
-config CRYPTO_CRC32C_SPARC64
- tristate "CRC32c"
- depends on SPARC64
- select CRYPTO_HASH
- select CRC32
- help
- CRC32c CRC algorithm with the iSCSI polynomial (RFC 3385 and RFC 3720)
-
- Architecture: sparc64
-
config CRYPTO_MD5_SPARC64
tristate "Digests: MD5"
depends on SPARC64
diff --git a/arch/sparc/crypto/Makefile b/arch/sparc/crypto/Makefile
index d257186c27d1..a2d7fca40cb4 100644
--- a/arch/sparc/crypto/Makefile
+++ b/arch/sparc/crypto/Makefile
@@ -12,8 +12,6 @@ obj-$(CONFIG_CRYPTO_AES_SPARC64) += aes-sparc64.o
obj-$(CONFIG_CRYPTO_DES_SPARC64) += des-sparc64.o
obj-$(CONFIG_CRYPTO_CAMELLIA_SPARC64) += camellia-sparc64.o
-obj-$(CONFIG_CRYPTO_CRC32C_SPARC64) += crc32c-sparc64.o
-
sha1-sparc64-y := sha1_asm.o sha1_glue.o
sha256-sparc64-y := sha256_asm.o sha256_glue.o
sha512-sparc64-y := sha512_asm.o sha512_glue.o
@@ -22,5 +20,3 @@ md5-sparc64-y := md5_asm.o md5_glue.o
aes-sparc64-y := aes_asm.o aes_glue.o
des-sparc64-y := des_asm.o des_glue.o
camellia-sparc64-y := camellia_asm.o camellia_glue.o
-
-crc32c-sparc64-y := crc32c_asm.o crc32c_glue.o
diff --git a/arch/sparc/crypto/crc32c_glue.c b/arch/sparc/crypto/crc32c_glue.c
deleted file mode 100644
index 913b9a09e885..000000000000
--- a/arch/sparc/crypto/crc32c_glue.c
+++ /dev/null
@@ -1,184 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/* Glue code for CRC32C optimized for sparc64 crypto opcodes.
- *
- * This is based largely upon arch/x86/crypto/crc32c-intel.c
- *
- * Copyright (C) 2008 Intel Corporation
- * Authors: Austin Zhang <austin_zhang@linux.intel.com>
- * Kent Liu <kent.liu@intel.com>
- */
-
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/string.h>
-#include <linux/kernel.h>
-#include <linux/crc32.h>
-
-#include <crypto/internal/hash.h>
-
-#include <asm/pstate.h>
-#include <asm/elf.h>
-#include <linux/unaligned.h>
-
-#include "opcodes.h"
-
-/*
- * Setting the seed allows arbitrary accumulators and flexible XOR policy
- * If your algorithm starts with ~0, then XOR with ~0 before you set
- * the seed.
- */
-static int crc32c_sparc64_setkey(struct crypto_shash *hash, const u8 *key,
- unsigned int keylen)
-{
- u32 *mctx = crypto_shash_ctx(hash);
-
- if (keylen != sizeof(u32))
- return -EINVAL;
- *mctx = get_unaligned_le32(key);
- return 0;
-}
-
-static int crc32c_sparc64_init(struct shash_desc *desc)
-{
- u32 *mctx = crypto_shash_ctx(desc->tfm);
- u32 *crcp = shash_desc_ctx(desc);
-
- *crcp = *mctx;
-
- return 0;
-}
-
-extern void crc32c_sparc64(u32 *crcp, const u64 *data, unsigned int len);
-
-static u32 crc32c_compute(u32 crc, const u8 *data, unsigned int len)
-{
- unsigned int n = -(uintptr_t)data & 7;
-
- if (n) {
- /* Data isn't 8-byte aligned. Align it. */
- n = min(n, len);
- crc = __crc32c_le(crc, data, n);
- data += n;
- len -= n;
- }
- n = len & ~7U;
- if (n) {
- crc32c_sparc64(&crc, (const u64 *)data, n);
- data += n;
- len -= n;
- }
- if (len)
- crc = __crc32c_le(crc, data, len);
- return crc;
-}
-
-static int crc32c_sparc64_update(struct shash_desc *desc, const u8 *data,
- unsigned int len)
-{
- u32 *crcp = shash_desc_ctx(desc);
-
- *crcp = crc32c_compute(*crcp, data, len);
- return 0;
-}
-
-static int __crc32c_sparc64_finup(const u32 *crcp, const u8 *data,
- unsigned int len, u8 *out)
-{
- put_unaligned_le32(~crc32c_compute(*crcp, data, len), out);
- return 0;
-}
-
-static int crc32c_sparc64_finup(struct shash_desc *desc, const u8 *data,
- unsigned int len, u8 *out)
-{
- return __crc32c_sparc64_finup(shash_desc_ctx(desc), data, len, out);
-}
-
-static int crc32c_sparc64_final(struct shash_desc *desc, u8 *out)
-{
- u32 *crcp = shash_desc_ctx(desc);
-
- put_unaligned_le32(~*crcp, out);
- return 0;
-}
-
-static int crc32c_sparc64_digest(struct shash_desc *desc, const u8 *data,
- unsigned int len, u8 *out)
-{
- return __crc32c_sparc64_finup(crypto_shash_ctx(desc->tfm), data, len,
- out);
-}
-
-static int crc32c_sparc64_cra_init(struct crypto_tfm *tfm)
-{
- u32 *key = crypto_tfm_ctx(tfm);
-
- *key = ~0;
-
- return 0;
-}
-
-#define CHKSUM_BLOCK_SIZE 1
-#define CHKSUM_DIGEST_SIZE 4
-
-static struct shash_alg alg = {
- .setkey = crc32c_sparc64_setkey,
- .init = crc32c_sparc64_init,
- .update = crc32c_sparc64_update,
- .final = crc32c_sparc64_final,
- .finup = crc32c_sparc64_finup,
- .digest = crc32c_sparc64_digest,
- .descsize = sizeof(u32),
- .digestsize = CHKSUM_DIGEST_SIZE,
- .base = {
- .cra_name = "crc32c",
- .cra_driver_name = "crc32c-sparc64",
- .cra_priority = SPARC_CR_OPCODE_PRIORITY,
- .cra_flags = CRYPTO_ALG_OPTIONAL_KEY,
- .cra_blocksize = CHKSUM_BLOCK_SIZE,
- .cra_ctxsize = sizeof(u32),
- .cra_module = THIS_MODULE,
- .cra_init = crc32c_sparc64_cra_init,
- }
-};
-
-static bool __init sparc64_has_crc32c_opcode(void)
-{
- unsigned long cfr;
-
- if (!(sparc64_elf_hwcap & HWCAP_SPARC_CRYPTO))
- return false;
-
- __asm__ __volatile__("rd %%asr26, %0" : "=r" (cfr));
- if (!(cfr & CFR_CRC32C))
- return false;
-
- return true;
-}
-
-static int __init crc32c_sparc64_mod_init(void)
-{
- if (sparc64_has_crc32c_opcode()) {
- pr_info("Using sparc64 crc32c opcode optimized CRC32C implementation\n");
- return crypto_register_shash(&alg);
- }
- pr_info("sparc64 crc32c opcode not available.\n");
- return -ENODEV;
-}
-
-static void __exit crc32c_sparc64_mod_fini(void)
-{
- crypto_unregister_shash(&alg);
-}
-
-module_init(crc32c_sparc64_mod_init);
-module_exit(crc32c_sparc64_mod_fini);
-
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("CRC32c (Castagnoli), sparc64 crc32c opcode accelerated");
-
-MODULE_ALIAS_CRYPTO("crc32c");
-
-#include "crop_devid.c"
diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h
index 2b7f358762c1..dc28f2c4eee3 100644
--- a/arch/sparc/include/asm/pgtable_64.h
+++ b/arch/sparc/include/asm/pgtable_64.h
@@ -936,7 +936,6 @@ static inline void __set_pte_at(struct mm_struct *mm, unsigned long addr,
static inline void set_ptes(struct mm_struct *mm, unsigned long addr,
pte_t *ptep, pte_t pte, unsigned int nr)
{
- arch_enter_lazy_mmu_mode();
for (;;) {
__set_pte_at(mm, addr, ptep, pte, 0);
if (--nr == 0)
@@ -945,7 +944,6 @@ static inline void set_ptes(struct mm_struct *mm, unsigned long addr,
pte_val(pte) += PAGE_SIZE;
addr += PAGE_SIZE;
}
- arch_leave_lazy_mmu_mode();
}
#define set_ptes set_ptes
diff --git a/arch/sparc/include/asm/tlb_64.h b/arch/sparc/include/asm/tlb_64.h
index 3037187482db..1a6e694418e3 100644
--- a/arch/sparc/include/asm/tlb_64.h
+++ b/arch/sparc/include/asm/tlb_64.h
@@ -33,6 +33,7 @@ void flush_tlb_pending(void);
#define tlb_needs_table_invalidate() (false)
#endif
+#define __HAVE_ARCH_TLB_REMOVE_TABLE
#include <asm-generic/tlb.h>
#endif /* _SPARC64_TLB_H */
diff --git a/arch/sparc/include/uapi/asm/socket.h b/arch/sparc/include/uapi/asm/socket.h
index 113cd9f353e3..5b464a568664 100644
--- a/arch/sparc/include/uapi/asm/socket.h
+++ b/arch/sparc/include/uapi/asm/socket.h
@@ -141,6 +141,8 @@
#define SCM_TS_OPT_ID 0x005a
+#define SO_RCVPRIORITY 0x005b
+
#if !defined(__KERNEL__)
diff --git a/arch/sparc/kernel/irq_32.c b/arch/sparc/kernel/irq_32.c
index 8605dd710f3c..5210991429d5 100644
--- a/arch/sparc/kernel/irq_32.c
+++ b/arch/sparc/kernel/irq_32.c
@@ -199,18 +199,18 @@ int arch_show_interrupts(struct seq_file *p, int prec)
int j;
#ifdef CONFIG_SMP
- seq_printf(p, "RES: ");
+ seq_printf(p, "RES:");
for_each_online_cpu(j)
- seq_printf(p, "%10u ", cpu_data(j).irq_resched_count);
+ seq_put_decimal_ull_width(p, " ", cpu_data(j).irq_resched_count, 10);
seq_printf(p, " IPI rescheduling interrupts\n");
- seq_printf(p, "CAL: ");
+ seq_printf(p, "CAL:");
for_each_online_cpu(j)
- seq_printf(p, "%10u ", cpu_data(j).irq_call_count);
+ seq_put_decimal_ull_width(p, " ", cpu_data(j).irq_call_count, 10);
seq_printf(p, " IPI function call interrupts\n");
#endif
- seq_printf(p, "NMI: ");
+ seq_printf(p, "NMI:");
for_each_online_cpu(j)
- seq_printf(p, "%10u ", cpu_data(j).counter);
+ seq_put_decimal_ull_width(p, " ", cpu_data(j).counter, 10);
seq_printf(p, " Non-maskable interrupts\n");
return 0;
}
diff --git a/arch/sparc/kernel/irq_64.c b/arch/sparc/kernel/irq_64.c
index 01ee800efde3..ded463c82abd 100644
--- a/arch/sparc/kernel/irq_64.c
+++ b/arch/sparc/kernel/irq_64.c
@@ -22,6 +22,7 @@
#include <linux/seq_file.h>
#include <linux/ftrace.h>
#include <linux/irq.h>
+#include <linux/string_choices.h>
#include <asm/ptrace.h>
#include <asm/processor.h>
@@ -145,9 +146,7 @@ static int hv_irq_version;
*/
static bool sun4v_cookie_only_virqs(void)
{
- if (hv_irq_version >= 3)
- return true;
- return false;
+ return hv_irq_version >= 3;
}
static void __init irq_init_hv(void)
@@ -170,7 +169,7 @@ static void __init irq_init_hv(void)
pr_info("SUN4V: Using IRQ API major %d, cookie only virqs %s\n",
hv_irq_version,
- sun4v_cookie_only_virqs() ? "enabled" : "disabled");
+ str_enabled_disabled(sun4v_cookie_only_virqs()));
}
/* This function is for the timer interrupt.*/
@@ -304,9 +303,9 @@ int arch_show_interrupts(struct seq_file *p, int prec)
{
int j;
- seq_printf(p, "NMI: ");
+ seq_printf(p, "NMI:");
for_each_online_cpu(j)
- seq_printf(p, "%10u ", cpu_data(j).__nmi_count);
+ seq_put_decimal_ull_width(p, " ", cpu_data(j).__nmi_count, 10);
seq_printf(p, " Non-maskable interrupts\n");
return 0;
}
diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c
index 50a0927a84a6..ddac216a2aff 100644
--- a/arch/sparc/kernel/pci.c
+++ b/arch/sparc/kernel/pci.c
@@ -932,7 +932,7 @@ static void pci_bus_slot_names(struct device_node *node, struct pci_bus *bus)
{
const struct pci_slot_names {
u32 slot_mask;
- char names[0];
+ char names[];
} *prop;
const char *sp;
int len, i;
diff --git a/arch/sparc/kernel/pci_common.c b/arch/sparc/kernel/pci_common.c
index 5eeec9ad6845..2576f4f31309 100644
--- a/arch/sparc/kernel/pci_common.c
+++ b/arch/sparc/kernel/pci_common.c
@@ -361,7 +361,7 @@ void pci_determine_mem_io_space(struct pci_pbm_info *pbm)
int i, saw_mem, saw_io;
int num_pbm_ranges;
- /* Corresponding generic code in of_pci_get_host_bridge_resources() */
+ /* Corresponds to generic devm_of_pci_get_host_bridge_resources() */
saw_mem = saw_io = 0;
pbm_ranges = of_get_property(pbm->op->dev.of_node, "ranges", &i);
diff --git a/arch/sparc/kernel/prom_32.c b/arch/sparc/kernel/prom_32.c
index 3df960c137f7..a67dd67f10c8 100644
--- a/arch/sparc/kernel/prom_32.c
+++ b/arch/sparc/kernel/prom_32.c
@@ -28,9 +28,7 @@ void * __init prom_early_alloc(unsigned long size)
{
void *ret;
- ret = memblock_alloc(size, SMP_CACHE_BYTES);
- if (!ret)
- panic("%s: Failed to allocate %lu bytes\n", __func__, size);
+ ret = memblock_alloc_or_panic(size, SMP_CACHE_BYTES);
prom_early_allocated += size;
diff --git a/arch/sparc/kernel/vio.c b/arch/sparc/kernel/vio.c
index 07933d75ac81..1a1a9d6b8f2e 100644
--- a/arch/sparc/kernel/vio.c
+++ b/arch/sparc/kernel/vio.c
@@ -419,13 +419,13 @@ struct vio_remove_node_data {
u64 node;
};
-static int vio_md_node_match(struct device *dev, void *arg)
+static int vio_md_node_match(struct device *dev, const void *arg)
{
struct vio_dev *vdev = to_vio_dev(dev);
- struct vio_remove_node_data *node_data;
+ const struct vio_remove_node_data *node_data;
u64 node;
- node_data = (struct vio_remove_node_data *)arg;
+ node_data = (const struct vio_remove_node_data *)arg;
node = vio_vdev_node(node_data->hp, vdev);
diff --git a/arch/sparc/lib/Makefile b/arch/sparc/lib/Makefile
index ee5091dd67ed..5724d0f356eb 100644
--- a/arch/sparc/lib/Makefile
+++ b/arch/sparc/lib/Makefile
@@ -53,3 +53,5 @@ lib-$(CONFIG_SPARC64) += mcount.o ipcsum.o xor.o hweight.o ffs.o
obj-$(CONFIG_SPARC64) += iomap.o
obj-$(CONFIG_SPARC32) += atomic32.o
obj-$(CONFIG_SPARC64) += PeeCeeI.o
+obj-$(CONFIG_CRC32_ARCH) += crc32-sparc.o
+crc32-sparc-y := crc32_glue.o crc32c_asm.o
diff --git a/arch/sparc/lib/crc32_glue.c b/arch/sparc/lib/crc32_glue.c
new file mode 100644
index 000000000000..41076d2b1fd2
--- /dev/null
+++ b/arch/sparc/lib/crc32_glue.c
@@ -0,0 +1,93 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/* Glue code for CRC32C optimized for sparc64 crypto opcodes.
+ *
+ * This is based largely upon arch/x86/crypto/crc32c-intel.c
+ *
+ * Copyright (C) 2008 Intel Corporation
+ * Authors: Austin Zhang <austin_zhang@linux.intel.com>
+ * Kent Liu <kent.liu@intel.com>
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/crc32.h>
+#include <asm/pstate.h>
+#include <asm/elf.h>
+
+static DEFINE_STATIC_KEY_FALSE(have_crc32c_opcode);
+
+u32 crc32_le_arch(u32 crc, const u8 *data, size_t len)
+{
+ return crc32_le_base(crc, data, len);
+}
+EXPORT_SYMBOL(crc32_le_arch);
+
+void crc32c_sparc64(u32 *crcp, const u64 *data, size_t len);
+
+u32 crc32c_le_arch(u32 crc, const u8 *data, size_t len)
+{
+ size_t n = -(uintptr_t)data & 7;
+
+ if (!static_branch_likely(&have_crc32c_opcode))
+ return crc32c_le_base(crc, data, len);
+
+ if (n) {
+ /* Data isn't 8-byte aligned. Align it. */
+ n = min(n, len);
+ crc = crc32c_le_base(crc, data, n);
+ data += n;
+ len -= n;
+ }
+ n = len & ~7U;
+ if (n) {
+ crc32c_sparc64(&crc, (const u64 *)data, n);
+ data += n;
+ len -= n;
+ }
+ if (len)
+ crc = crc32c_le_base(crc, data, len);
+ return crc;
+}
+EXPORT_SYMBOL(crc32c_le_arch);
+
+u32 crc32_be_arch(u32 crc, const u8 *data, size_t len)
+{
+ return crc32_be_base(crc, data, len);
+}
+EXPORT_SYMBOL(crc32_be_arch);
+
+static int __init crc32_sparc_init(void)
+{
+ unsigned long cfr;
+
+ if (!(sparc64_elf_hwcap & HWCAP_SPARC_CRYPTO))
+ return 0;
+
+ __asm__ __volatile__("rd %%asr26, %0" : "=r" (cfr));
+ if (!(cfr & CFR_CRC32C))
+ return 0;
+
+ static_branch_enable(&have_crc32c_opcode);
+ pr_info("Using sparc64 crc32c opcode optimized CRC32C implementation\n");
+ return 0;
+}
+arch_initcall(crc32_sparc_init);
+
+static void __exit crc32_sparc_exit(void)
+{
+}
+module_exit(crc32_sparc_exit);
+
+u32 crc32_optimizations(void)
+{
+ if (static_key_enabled(&have_crc32c_opcode))
+ return CRC32C_OPTIMIZATION;
+ return 0;
+}
+EXPORT_SYMBOL(crc32_optimizations);
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("CRC32c (Castagnoli), sparc64 crc32c opcode accelerated");
diff --git a/arch/sparc/crypto/crc32c_asm.S b/arch/sparc/lib/crc32c_asm.S
index b8659a479242..ee454fa6aed6 100644
--- a/arch/sparc/crypto/crc32c_asm.S
+++ b/arch/sparc/lib/crc32c_asm.S
@@ -3,7 +3,7 @@
#include <asm/visasm.h>
#include <asm/asi.h>
-#include "opcodes.h"
+#include "../crypto/opcodes.h"
ENTRY(crc32c_sparc64)
/* %o0=crc32p, %o1=data_ptr, %o2=len */
diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
index 21f8cbbd0581..05882bca5b73 100644
--- a/arch/sparc/mm/init_64.c
+++ b/arch/sparc/mm/init_64.c
@@ -2915,7 +2915,7 @@ static void __pte_free(pgtable_t pte)
{
struct ptdesc *ptdesc = virt_to_ptdesc(pte);
- pagetable_pte_dtor(ptdesc);
+ pagetable_dtor(ptdesc);
pagetable_free(ptdesc);
}
diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c
index 9df51a62333d..dd32711022f5 100644
--- a/arch/sparc/mm/srmmu.c
+++ b/arch/sparc/mm/srmmu.c
@@ -277,19 +277,13 @@ static void __init srmmu_nocache_init(void)
bitmap_bits = srmmu_nocache_size >> SRMMU_NOCACHE_BITMAP_SHIFT;
- srmmu_nocache_pool = memblock_alloc(srmmu_nocache_size,
+ srmmu_nocache_pool = memblock_alloc_or_panic(srmmu_nocache_size,
SRMMU_NOCACHE_ALIGN_MAX);
- if (!srmmu_nocache_pool)
- panic("%s: Failed to allocate %lu bytes align=0x%x\n",
- __func__, srmmu_nocache_size, SRMMU_NOCACHE_ALIGN_MAX);
memset(srmmu_nocache_pool, 0, srmmu_nocache_size);
srmmu_nocache_bitmap =
- memblock_alloc(BITS_TO_LONGS(bitmap_bits) * sizeof(long),
+ memblock_alloc_or_panic(BITS_TO_LONGS(bitmap_bits) * sizeof(long),
SMP_CACHE_BYTES);
- if (!srmmu_nocache_bitmap)
- panic("%s: Failed to allocate %zu bytes\n", __func__,
- BITS_TO_LONGS(bitmap_bits) * sizeof(long));
bit_map_init(&srmmu_nocache_map, srmmu_nocache_bitmap, bitmap_bits);
srmmu_swapper_pg_dir = __srmmu_get_nocache(SRMMU_PGD_TABLE_SIZE, SRMMU_PGD_TABLE_SIZE);
@@ -372,7 +366,7 @@ void pte_free(struct mm_struct *mm, pgtable_t ptep)
page = pfn_to_page(__nocache_pa((unsigned long)ptep) >> PAGE_SHIFT);
spin_lock(&mm->page_table_lock);
if (page_ref_dec_return(page) == 1)
- pagetable_pte_dtor(page_ptdesc(page));
+ pagetable_dtor(page_ptdesc(page));
spin_unlock(&mm->page_table_lock);
srmmu_free_nocache(ptep, SRMMU_PTE_TABLE_SIZE);
@@ -452,9 +446,7 @@ static void __init sparc_context_init(int numctx)
unsigned long size;
size = numctx * sizeof(struct ctx_list);
- ctx_list_pool = memblock_alloc(size, SMP_CACHE_BYTES);
- if (!ctx_list_pool)
- panic("%s: Failed to allocate %lu bytes\n", __func__, size);
+ ctx_list_pool = memblock_alloc_or_panic(size, SMP_CACHE_BYTES);
for (ctx = 0; ctx < numctx; ctx++) {
struct ctx_list *clist;
diff --git a/arch/sparc/mm/tlb.c b/arch/sparc/mm/tlb.c
index 8648a50afe88..a35ddcca5e76 100644
--- a/arch/sparc/mm/tlb.c
+++ b/arch/sparc/mm/tlb.c
@@ -52,8 +52,10 @@ out:
void arch_enter_lazy_mmu_mode(void)
{
- struct tlb_batch *tb = this_cpu_ptr(&tlb_batch);
+ struct tlb_batch *tb;
+ preempt_disable();
+ tb = this_cpu_ptr(&tlb_batch);
tb->active = 1;
}
@@ -64,6 +66,7 @@ void arch_leave_lazy_mmu_mode(void)
if (tb->tlb_nr)
flush_tlb_pending();
tb->active = 0;
+ preempt_enable();
}
static void tlb_batch_add_one(struct mm_struct *mm, unsigned long vaddr,
generated by cgit v1.2.3 (git 2.39.0) at 2025-04-30 19:31:05 +0300