Merging upstream version 6.7.7.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

11 files changed, 40 insertions, 26 deletions

diff --git a/arch/mips/kernel/Makefile b/arch/mips/kernel/Makefile
index 853a43ee4..ecf3278a3 100644
--- a/arch/mips/kernel/Makefile
+++ b/arch/mips/kernel/Makefile
@@ -90,7 +90,7 @@ obj-$(CONFIG_GPIO_TXX9)		+= gpio_txx9.o
 
 obj-$(CONFIG_RELOCATABLE)	+= relocate.o
 
-obj-$(CONFIG_KEXEC)		+= machine_kexec.o relocate_kernel.o crash.o
+obj-$(CONFIG_KEXEC_CORE)	+= machine_kexec.o relocate_kernel.o crash.o
 obj-$(CONFIG_CRASH_DUMP)	+= crash_dump.o
 obj-$(CONFIG_EARLY_PRINTK)	+= early_printk.o
 obj-$(CONFIG_EARLY_PRINTK_8250)	+= early_printk_8250.o
diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c
index d9df543f7..59288c13b 100644
--- a/arch/mips/kernel/ptrace.c
+++ b/arch/mips/kernel/ptrace.c
@@ -31,6 +31,7 @@
 #include <linux/seccomp.h>
 #include <linux/ftrace.h>
 
+#include <asm/branch.h>
 #include <asm/byteorder.h>
 #include <asm/cpu.h>
 #include <asm/cpu-info.h>
@@ -48,6 +49,12 @@
 #define CREATE_TRACE_POINTS
 #include <trace/events/syscalls.h>
 
+unsigned long exception_ip(struct pt_regs *regs)
+{
+	return exception_epc(regs);
+}
+EXPORT_SYMBOL(exception_ip);
+
 /*
  * Called by kernel/ptrace.c when detaching..
  *
diff --git a/arch/mips/kernel/relocate_kernel.S b/arch/mips/kernel/relocate_kernel.S
index f5b2ef979..8f0a7263a 100644
--- a/arch/mips/kernel/relocate_kernel.S
+++ b/arch/mips/kernel/relocate_kernel.S
@@ -66,7 +66,6 @@ copy_word:
 	LONG_ADDIU	s6, s6, -1
 	beq		s6, zero, process_entry
 	b		copy_word
-	b		process_entry
 
 done:
 #ifdef CONFIG_SMP
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index f88a2f83c..0461ab49e 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -15,7 +15,6 @@
 #include <linux/delay.h>
 #include <linux/ioport.h>
 #include <linux/export.h>
-#include <linux/screen_info.h>
 #include <linux/memblock.h>
 #include <linux/initrd.h>
 #include <linux/root_dev.h>
@@ -54,10 +53,6 @@ struct cpuinfo_mips cpu_data[NR_CPUS] __read_mostly;
 
 EXPORT_SYMBOL(cpu_data);
 
-#ifdef CONFIG_VT
-struct screen_info screen_info;
-#endif
-
 /*
  * Setup information
  *
@@ -460,7 +455,8 @@ static void __init mips_parse_crashkernel(void)
 
 	total_mem = memblock_phys_mem_size();
 	ret = parse_crashkernel(boot_command_line, total_mem,
-				&crash_size, &crash_base);
+				&crash_size, &crash_base,
+				NULL, NULL);
 	if (ret != 0 || crash_size <= 0)
 		return;
 
@@ -792,12 +788,6 @@ void __init setup_arch(char **cmdline_p)
 	if (IS_ENABLED(CONFIG_CPU_R4X00_BUGS64))
 		check_bugs64_early();
 
-#if defined(CONFIG_VT)
-#if defined(CONFIG_VGA_CONSOLE)
-	conswitchp = &vga_con;
-#endif
-#endif
-
 	arch_mem_init(cmdline_p);
 	dmi_setup();
 
diff --git a/arch/mips/kernel/smp-bmips.c b/arch/mips/kernel/smp-bmips.c
index c074ecce3..b3dbf9ecb 100644
--- a/arch/mips/kernel/smp-bmips.c
+++ b/arch/mips/kernel/smp-bmips.c
@@ -434,7 +434,7 @@ const struct plat_smp_ops bmips43xx_smp_ops = {
 	.cpu_disable		= bmips_cpu_disable,
 	.cpu_die		= bmips_cpu_die,
 #endif
-#ifdef CONFIG_KEXEC
+#ifdef CONFIG_KEXEC_CORE
 	.kexec_nonboot_cpu	= kexec_nonboot_cpu_jump,
 #endif
 };
@@ -451,7 +451,7 @@ const struct plat_smp_ops bmips5000_smp_ops = {
 	.cpu_disable		= bmips_cpu_disable,
 	.cpu_die		= bmips_cpu_die,
 #endif
-#ifdef CONFIG_KEXEC
+#ifdef CONFIG_KEXEC_CORE
 	.kexec_nonboot_cpu	= kexec_nonboot_cpu_jump,
 #endif
 };
diff --git a/arch/mips/kernel/smp-cps.c b/arch/mips/kernel/smp-cps.c
index dd55d59b8..f6c37d407 100644
--- a/arch/mips/kernel/smp-cps.c
+++ b/arch/mips/kernel/smp-cps.c
@@ -392,7 +392,7 @@ static void cps_smp_finish(void)
 	local_irq_enable();
 }
 
-#if defined(CONFIG_HOTPLUG_CPU) || defined(CONFIG_KEXEC)
+#if defined(CONFIG_HOTPLUG_CPU) || defined(CONFIG_KEXEC_CORE)
 
 enum cpu_death {
 	CPU_DEATH_HALT,
@@ -429,7 +429,7 @@ static void cps_shutdown_this_cpu(enum cpu_death death)
 	}
 }
 
-#ifdef CONFIG_KEXEC
+#ifdef CONFIG_KEXEC_CORE
 
 static void cps_kexec_nonboot_cpu(void)
 {
@@ -439,9 +439,9 @@ static void cps_kexec_nonboot_cpu(void)
 		cps_shutdown_this_cpu(CPU_DEATH_POWER);
 }
 
-#endif /* CONFIG_KEXEC */
+#endif /* CONFIG_KEXEC_CORE */
 
-#endif /* CONFIG_HOTPLUG_CPU || CONFIG_KEXEC */
+#endif /* CONFIG_HOTPLUG_CPU || CONFIG_KEXEC_CORE */
 
 #ifdef CONFIG_HOTPLUG_CPU
 
@@ -610,7 +610,7 @@ static const struct plat_smp_ops cps_smp_ops = {
 	.cpu_die		= cps_cpu_die,
 	.cleanup_dead_cpu	= cps_cleanup_dead_cpu,
 #endif
-#ifdef CONFIG_KEXEC
+#ifdef CONFIG_KEXEC_CORE
 	.kexec_nonboot_cpu	= cps_kexec_nonboot_cpu,
 #endif
 };
diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c
index 81f6c4f8f..82e2e051b 100644
--- a/arch/mips/kernel/smp.c
+++ b/arch/mips/kernel/smp.c
@@ -355,7 +355,7 @@ asmlinkage void start_secondary(void)
 
 	cpu_probe();
 	per_cpu_trap_init(false);
-	rcu_cpu_starting(cpu);
+	rcutree_report_cpu_starting(cpu);
 	mips_clockevent_init();
 	mp_ops->init_secondary();
 	cpu_report();
diff --git a/arch/mips/kernel/syscalls/syscall_n32.tbl b/arch/mips/kernel/syscalls/syscall_n32.tbl
index 152034b8e..a842b41c8 100644
--- a/arch/mips/kernel/syscalls/syscall_n32.tbl
+++ b/arch/mips/kernel/syscalls/syscall_n32.tbl
@@ -214,7 +214,7 @@
 203	n32	io_submit			compat_sys_io_submit
 204	n32	io_cancel			sys_io_cancel
 205	n32	exit_group			sys_exit_group
-206	n32	lookup_dcookie			sys_lookup_dcookie
+206	n32	lookup_dcookie			sys_ni_syscall
 207	n32	epoll_create			sys_epoll_create
 208	n32	epoll_ctl			sys_epoll_ctl
 209	n32	epoll_wait			sys_epoll_wait
@@ -391,3 +391,7 @@
 450	n32	set_mempolicy_home_node		sys_set_mempolicy_home_node
 451	n32	cachestat			sys_cachestat
 452	n32	fchmodat2			sys_fchmodat2
+453	n32	map_shadow_stack		sys_map_shadow_stack
+454	n32	futex_wake			sys_futex_wake
+455	n32	futex_wait			sys_futex_wait
+456	n32	futex_requeue			sys_futex_requeue
diff --git a/arch/mips/kernel/syscalls/syscall_n64.tbl b/arch/mips/kernel/syscalls/syscall_n64.tbl
index cb5e757f6..116ff501b 100644
--- a/arch/mips/kernel/syscalls/syscall_n64.tbl
+++ b/arch/mips/kernel/syscalls/syscall_n64.tbl
@@ -214,7 +214,7 @@
 203	n64	io_submit			sys_io_submit
 204	n64	io_cancel			sys_io_cancel
 205	n64	exit_group			sys_exit_group
-206	n64	lookup_dcookie			sys_lookup_dcookie
+206	n64	lookup_dcookie			sys_ni_syscall
 207	n64	epoll_create			sys_epoll_create
 208	n64	epoll_ctl			sys_epoll_ctl
 209	n64	epoll_wait			sys_epoll_wait
@@ -367,3 +367,7 @@
 450	common	set_mempolicy_home_node		sys_set_mempolicy_home_node
 451	n64	cachestat			sys_cachestat
 452	n64	fchmodat2			sys_fchmodat2
+453	n64	map_shadow_stack		sys_map_shadow_stack
+454	n64	futex_wake			sys_futex_wake
+455	n64	futex_wait			sys_futex_wait
+456	n64	futex_requeue			sys_futex_requeue
diff --git a/arch/mips/kernel/syscalls/syscall_o32.tbl b/arch/mips/kernel/syscalls/syscall_o32.tbl
index 1a646813a..525cc54bc 100644
--- a/arch/mips/kernel/syscalls/syscall_o32.tbl
+++ b/arch/mips/kernel/syscalls/syscall_o32.tbl
@@ -258,7 +258,7 @@
 244	o32	io_submit			sys_io_submit			compat_sys_io_submit
 245	o32	io_cancel			sys_io_cancel
 246	o32	exit_group			sys_exit_group
-247	o32	lookup_dcookie			sys_lookup_dcookie		compat_sys_lookup_dcookie
+247	o32	lookup_dcookie			sys_ni_syscall
 248	o32	epoll_create			sys_epoll_create
 249	o32	epoll_ctl			sys_epoll_ctl
 250	o32	epoll_wait			sys_epoll_wait
@@ -440,3 +440,7 @@
 450	o32	set_mempolicy_home_node		sys_set_mempolicy_home_node
 451	o32	cachestat			sys_cachestat
 452	o32	fchmodat2			sys_fchmodat2
+453	o32	map_shadow_stack		sys_map_shadow_stack
+454	o32	futex_wake			sys_futex_wake
+455	o32	futex_wait			sys_futex_wait
+456	o32	futex_requeue			sys_futex_requeue
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index 246c6a6b0..5b778995d 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -2007,7 +2007,13 @@ unsigned long vi_handlers[64];
 
 void reserve_exception_space(phys_addr_t addr, unsigned long size)
 {
-	memblock_reserve(addr, size);
+	/*
+	 * reserve exception space on CPUs other than CPU0
+	 * is too late, since memblock is unavailable when APs
+	 * up
+	 */
+	if (smp_processor_id() == 0)
+		memblock_reserve(addr, size);
 }
 
 void __init *set_except_vector(int n, void *addr)