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-rw-r--r--arch/hexagon/Kconfig1
-rw-r--r--arch/hexagon/configs/comet_defconfig4
-rw-r--r--arch/hexagon/include/asm/cmpxchg.h2
-rw-r--r--arch/hexagon/include/asm/pgalloc.h9
-rw-r--r--arch/hexagon/include/asm/pgtable.h5
-rw-r--r--arch/hexagon/include/asm/setup.h20
-rw-r--r--arch/hexagon/include/asm/syscall.h21
-rw-r--r--arch/hexagon/include/uapi/asm/setup.h14
-rw-r--r--arch/hexagon/kernel/Makefile2
-rw-r--r--arch/hexagon/kernel/ptrace.c2
-rw-r--r--arch/hexagon/kernel/time.c3
-rw-r--r--arch/hexagon/kernel/traps.c6
-rw-r--r--arch/hexagon/mm/init.c32
13 files changed, 58 insertions, 63 deletions
diff --git a/arch/hexagon/Kconfig b/arch/hexagon/Kconfig
index 3eb51fbe804e..d987ba368ed6 100644
--- a/arch/hexagon/Kconfig
+++ b/arch/hexagon/Kconfig
@@ -20,7 +20,6 @@ config HEXAGON
# select ARCH_HAS_CPU_IDLE_WAIT
# select GPIOLIB
# select HAVE_CLK
- # select GENERIC_PENDING_IRQ if SMP
select GENERIC_ATOMIC64
select HAVE_PERF_EVENTS
# GENERIC_ALLOCATOR is used by dma_alloc_coherent()
diff --git a/arch/hexagon/configs/comet_defconfig b/arch/hexagon/configs/comet_defconfig
index 6cb764947596..c6108f000288 100644
--- a/arch/hexagon/configs/comet_defconfig
+++ b/arch/hexagon/configs/comet_defconfig
@@ -72,10 +72,6 @@ CONFIG_INET=y
CONFIG_CRYPTO_MD5=y
# CONFIG_CRYPTO_ANSI_CPRNG is not set
# CONFIG_CRYPTO_HW is not set
-CONFIG_CRC_CCITT=y
-CONFIG_CRC16=y
-CONFIG_CRC_T10DIF=y
-CONFIG_LIBCRC32C=y
CONFIG_FRAME_WARN=0
CONFIG_MAGIC_SYSRQ=y
CONFIG_DEBUG_FS=y
diff --git a/arch/hexagon/include/asm/cmpxchg.h b/arch/hexagon/include/asm/cmpxchg.h
index bf6cf5579cf4..9c58fb81f7fd 100644
--- a/arch/hexagon/include/asm/cmpxchg.h
+++ b/arch/hexagon/include/asm/cmpxchg.h
@@ -56,7 +56,7 @@ __arch_xchg(unsigned long x, volatile void *ptr, int size)
__typeof__(ptr) __ptr = (ptr); \
__typeof__(*(ptr)) __old = (old); \
__typeof__(*(ptr)) __new = (new); \
- __typeof__(*(ptr)) __oldval = 0; \
+ __typeof__(*(ptr)) __oldval = (__typeof__(*(ptr))) 0; \
\
asm volatile( \
"1: %0 = memw_locked(%1);\n" \
diff --git a/arch/hexagon/include/asm/pgalloc.h b/arch/hexagon/include/asm/pgalloc.h
index 55988625e6fb..937a11ef4c33 100644
--- a/arch/hexagon/include/asm/pgalloc.h
+++ b/arch/hexagon/include/asm/pgalloc.h
@@ -22,7 +22,7 @@ static inline pgd_t *pgd_alloc(struct mm_struct *mm)
{
pgd_t *pgd;
- pgd = (pgd_t *)__get_free_page(GFP_KERNEL | __GFP_ZERO);
+ pgd = __pgd_alloc(mm, 0);
/*
* There may be better ways to do this, but to ensure
@@ -87,10 +87,7 @@ static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd,
max_kernel_seg = pmdindex;
}
-#define __pte_free_tlb(tlb, pte, addr) \
-do { \
- pagetable_pte_dtor((page_ptdesc(pte))); \
- tlb_remove_page_ptdesc((tlb), (page_ptdesc(pte))); \
-} while (0)
+#define __pte_free_tlb(tlb, pte, addr) \
+ tlb_remove_ptdesc((tlb), page_ptdesc(pte))
#endif
diff --git a/arch/hexagon/include/asm/pgtable.h b/arch/hexagon/include/asm/pgtable.h
index 8c5b7a1c3d90..fbf24d1d1ca6 100644
--- a/arch/hexagon/include/asm/pgtable.h
+++ b/arch/hexagon/include/asm/pgtable.h
@@ -238,9 +238,6 @@ static inline int pte_present(pte_t pte)
return pte_val(pte) & _PAGE_PRESENT;
}
-/* mk_pte - make a PTE out of a page pointer and protection bits */
-#define mk_pte(page, pgprot) pfn_pte(page_to_pfn(page), (pgprot))
-
/* pte_page - returns a page (frame pointer/descriptor?) based on a PTE */
#define pte_page(x) pfn_to_page(pte_pfn(x))
@@ -390,7 +387,7 @@ static inline unsigned long pmd_page_vaddr(pmd_t pmd)
(((type & 0x1f) << 1) | \
((offset & 0x3ffff8) << 10) | ((offset & 0x7) << 7)) })
-static inline int pte_swp_exclusive(pte_t pte)
+static inline bool pte_swp_exclusive(pte_t pte)
{
return pte_val(pte) & _PAGE_SWP_EXCLUSIVE;
}
diff --git a/arch/hexagon/include/asm/setup.h b/arch/hexagon/include/asm/setup.h
new file mode 100644
index 000000000000..9f2749cd4052
--- /dev/null
+++ b/arch/hexagon/include/asm/setup.h
@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ */
+
+#ifndef _ASM_HEXAGON_SETUP_H
+#define _ASM_HEXAGON_SETUP_H
+
+#include <linux/init.h>
+#include <uapi/asm/setup.h>
+
+extern char external_cmdline_buffer;
+
+void __init setup_arch_memory(void);
+
+#endif
diff --git a/arch/hexagon/include/asm/syscall.h b/arch/hexagon/include/asm/syscall.h
index f6e454f18038..70637261817a 100644
--- a/arch/hexagon/include/asm/syscall.h
+++ b/arch/hexagon/include/asm/syscall.h
@@ -26,6 +26,13 @@ static inline long syscall_get_nr(struct task_struct *task,
return regs->r06;
}
+static inline void syscall_set_nr(struct task_struct *task,
+ struct pt_regs *regs,
+ int nr)
+{
+ regs->r06 = nr;
+}
+
static inline void syscall_get_arguments(struct task_struct *task,
struct pt_regs *regs,
unsigned long *args)
@@ -33,6 +40,13 @@ static inline void syscall_get_arguments(struct task_struct *task,
memcpy(args, &(&regs->r00)[0], 6 * sizeof(args[0]));
}
+static inline void syscall_set_arguments(struct task_struct *task,
+ struct pt_regs *regs,
+ unsigned long *args)
+{
+ memcpy(&(&regs->r00)[0], args, 6 * sizeof(args[0]));
+}
+
static inline long syscall_get_error(struct task_struct *task,
struct pt_regs *regs)
{
@@ -45,6 +59,13 @@ static inline long syscall_get_return_value(struct task_struct *task,
return regs->r00;
}
+static inline void syscall_set_return_value(struct task_struct *task,
+ struct pt_regs *regs,
+ int error, long val)
+{
+ regs->r00 = (long) error ?: val;
+}
+
static inline int syscall_get_arch(struct task_struct *task)
{
return AUDIT_ARCH_HEXAGON;
diff --git a/arch/hexagon/include/uapi/asm/setup.h b/arch/hexagon/include/uapi/asm/setup.h
index 8ce9428b1583..598f74f671f6 100644
--- a/arch/hexagon/include/uapi/asm/setup.h
+++ b/arch/hexagon/include/uapi/asm/setup.h
@@ -17,19 +17,9 @@
* 02110-1301, USA.
*/
-#ifndef _ASM_SETUP_H
-#define _ASM_SETUP_H
-
-#ifdef __KERNEL__
-#include <linux/init.h>
-#else
-#define __init
-#endif
+#ifndef _UAPI_ASM_HEXAGON_SETUP_H
+#define _UAPI_ASM_HEXAGON_SETUP_H
#include <asm-generic/setup.h>
-extern char external_cmdline_buffer;
-
-void __init setup_arch_memory(void);
-
#endif
diff --git a/arch/hexagon/kernel/Makefile b/arch/hexagon/kernel/Makefile
index 3fdf937eb572..8e0fb4a62315 100644
--- a/arch/hexagon/kernel/Makefile
+++ b/arch/hexagon/kernel/Makefile
@@ -1,5 +1,5 @@
# SPDX-License-Identifier: GPL-2.0
-extra-y := vmlinux.lds
+always-$(KBUILD_BUILTIN) := vmlinux.lds
obj-y += head.o
obj-$(CONFIG_SMP) += smp.o
diff --git a/arch/hexagon/kernel/ptrace.c b/arch/hexagon/kernel/ptrace.c
index 905b06790ab7..2093eee143e1 100644
--- a/arch/hexagon/kernel/ptrace.c
+++ b/arch/hexagon/kernel/ptrace.c
@@ -137,7 +137,7 @@ enum hexagon_regset {
static const struct user_regset hexagon_regsets[] = {
[REGSET_GENERAL] = {
- .core_note_type = NT_PRSTATUS,
+ USER_REGSET_NOTE_TYPE(PRSTATUS),
.n = ELF_NGREG,
.size = sizeof(unsigned long),
.align = sizeof(unsigned long),
diff --git a/arch/hexagon/kernel/time.c b/arch/hexagon/kernel/time.c
index f0f207e2a694..6f851e1cd4ee 100644
--- a/arch/hexagon/kernel/time.c
+++ b/arch/hexagon/kernel/time.c
@@ -170,8 +170,7 @@ static void __init time_init_deferred(void)
ce_dev->cpumask = cpu_all_mask;
- if (!resource)
- resource = rtos_timer_device.resource;
+ resource = rtos_timer_device.resource;
/* ioremap here means this has to run later, after paging init */
rtos_timer = ioremap(resource->start, resource_size(resource));
diff --git a/arch/hexagon/kernel/traps.c b/arch/hexagon/kernel/traps.c
index 75e062722d28..e732aa01c2ff 100644
--- a/arch/hexagon/kernel/traps.c
+++ b/arch/hexagon/kernel/traps.c
@@ -135,7 +135,7 @@ static void do_show_stack(struct task_struct *task, unsigned long *fp,
}
/* Attempt to continue past exception. */
- if (0 == newfp) {
+ if (!newfp) {
struct pt_regs *regs = (struct pt_regs *) (((void *)fp)
+ 8);
@@ -195,8 +195,10 @@ int die(const char *str, struct pt_regs *regs, long err)
printk(KERN_EMERG "Oops: %s[#%d]:\n", str, ++die.counter);
if (notify_die(DIE_OOPS, str, regs, err, pt_cause(regs), SIGSEGV) ==
- NOTIFY_STOP)
+ NOTIFY_STOP) {
+ spin_unlock_irq(&die.lock);
return 1;
+ }
print_modules();
show_regs(regs);
diff --git a/arch/hexagon/mm/init.c b/arch/hexagon/mm/init.c
index 3458f39ca2ac..34eb9d424b96 100644
--- a/arch/hexagon/mm/init.c
+++ b/arch/hexagon/mm/init.c
@@ -43,32 +43,6 @@ DEFINE_SPINLOCK(kmap_gen_lock);
/* checkpatch says don't init this to 0. */
unsigned long long kmap_generation;
-/*
- * mem_init - initializes memory
- *
- * Frees up bootmem
- * Fixes up more stuff for HIGHMEM
- * Calculates and displays memory available/used
- */
-void __init mem_init(void)
-{
- /* No idea where this is actually declared. Seems to evade LXR. */
- memblock_free_all();
-
- /*
- * To-Do: someone somewhere should wipe out the bootmem map
- * after we're done?
- */
-
- /*
- * This can be moved to some more virtual-memory-specific
- * initialization hook at some point. Set the init_mm
- * descriptors "context" value to point to the initial
- * kernel segment table's physical address.
- */
- init_mm.context.ptbase = __pa(init_mm.pgd);
-}
-
void sync_icache_dcache(pte_t pte)
{
unsigned long addr;
@@ -104,10 +78,10 @@ static void __init paging_init(void)
free_area_init(max_zone_pfn); /* sets up the zonelists and mem_map */
/*
- * Start of high memory area. Will probably need something more
- * fancy if we... get more fancy.
+ * Set the init_mm descriptors "context" value to point to the
+ * initial kernel segment table's physical address.
*/
- high_memory = (void *)((bootmem_lastpg + 1) << PAGE_SHIFT);
+ init_mm.context.ptbase = __pa(init_mm.pgd);
}
#ifndef DMA_RESERVE
generated by cgit v1.2.3 (git 2.39.0) at 2025-08-08 04:15:21 +0300