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-rw-r--r--arch/riscv/Makefile3
-rw-r--r--arch/riscv/include/asm/uaccess.h2
-rw-r--r--arch/riscv/include/uapi/asm/setup.h8
-rw-r--r--arch/riscv/kernel/time.c3
-rw-r--r--arch/riscv/kernel/traps.c2
-rw-r--r--arch/riscv/mm/cacheflush.c4
-rw-r--r--arch/riscv/mm/fault.c2
7 files changed, 20 insertions, 4 deletions
diff --git a/arch/riscv/Makefile b/arch/riscv/Makefile
index e6d09ad41..a374e2553 100644
--- a/arch/riscv/Makefile
+++ b/arch/riscv/Makefile
@@ -72,6 +72,9 @@ ifeq ($(CONFIG_MODULE_SECTIONS),y)
KBUILD_LDFLAGS_MODULE += -T $(srctree)/arch/riscv/kernel/module.lds
endif
+# Avoid generating .eh_frame sections.
+KBUILD_CFLAGS += -fno-asynchronous-unwind-tables -fno-unwind-tables
+
KBUILD_CFLAGS_MODULE += $(call cc-option,-mno-relax)
KBUILD_AFLAGS_MODULE += $(call as-option,-Wa$(comma)-mno-relax)
diff --git a/arch/riscv/include/asm/uaccess.h b/arch/riscv/include/asm/uaccess.h
index f0ea31561..30dd2bf86 100644
--- a/arch/riscv/include/asm/uaccess.h
+++ b/arch/riscv/include/asm/uaccess.h
@@ -260,7 +260,7 @@ do { \
might_fault(); \
access_ok(VERIFY_READ, __p, sizeof(*__p)) ? \
__get_user((x), __p) : \
- ((x) = 0, -EFAULT); \
+ ((x) = (__force __typeof__(x))0, -EFAULT); \
})
#define __put_user_asm(insn, x, ptr, err) \
diff --git a/arch/riscv/include/uapi/asm/setup.h b/arch/riscv/include/uapi/asm/setup.h
new file mode 100644
index 000000000..66b13a522
--- /dev/null
+++ b/arch/riscv/include/uapi/asm/setup.h
@@ -0,0 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
+
+#ifndef _UAPI_ASM_RISCV_SETUP_H
+#define _UAPI_ASM_RISCV_SETUP_H
+
+#define COMMAND_LINE_SIZE 1024
+
+#endif /* _UAPI_ASM_RISCV_SETUP_H */
diff --git a/arch/riscv/kernel/time.c b/arch/riscv/kernel/time.c
index 15f4ab40e..50bb7e0d4 100644
--- a/arch/riscv/kernel/time.c
+++ b/arch/riscv/kernel/time.c
@@ -13,6 +13,7 @@
*/
#include <linux/of_clk.h>
+#include <linux/clockchips.h>
#include <linux/clocksource.h>
#include <linux/delay.h>
#include <asm/sbi.h>
@@ -33,4 +34,6 @@ void __init time_init(void)
of_clk_init(NULL);
timer_probe();
+
+ tick_setup_hrtimer_broadcast();
}
diff --git a/arch/riscv/kernel/traps.c b/arch/riscv/kernel/traps.c
index 7c6575050..9b736e616 100644
--- a/arch/riscv/kernel/traps.c
+++ b/arch/riscv/kernel/traps.c
@@ -64,7 +64,7 @@ void die(struct pt_regs *regs, const char *str)
if (panic_on_oops)
panic("Fatal exception");
if (ret != NOTIFY_STOP)
- do_exit(SIGSEGV);
+ make_task_dead(SIGSEGV);
}
void do_trap(struct pt_regs *regs, int signo, int code,
diff --git a/arch/riscv/mm/cacheflush.c b/arch/riscv/mm/cacheflush.c
index 498c0a081..62f8be2fd 100644
--- a/arch/riscv/mm/cacheflush.c
+++ b/arch/riscv/mm/cacheflush.c
@@ -18,6 +18,8 @@ void flush_icache_pte(pte_t pte)
{
struct page *page = pte_page(pte);
- if (!test_and_set_bit(PG_dcache_clean, &page->flags))
+ if (!test_bit(PG_dcache_clean, &page->flags)) {
flush_icache_all();
+ set_bit(PG_dcache_clean, &page->flags);
+ }
}
diff --git a/arch/riscv/mm/fault.c b/arch/riscv/mm/fault.c
index 523dbfbac..7b5f110f8 100644
--- a/arch/riscv/mm/fault.c
+++ b/arch/riscv/mm/fault.c
@@ -200,7 +200,7 @@ no_context:
(addr < PAGE_SIZE) ? "NULL pointer dereference" :
"paging request", addr);
die(regs, "Oops");
- do_exit(SIGKILL);
+ make_task_dead(SIGKILL);
/*
* We ran out of memory, call the OOM killer, and return the userspace