kernel: remove support for kernel 4.9

No target uses kernel 4.9 anymore.

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>

1 files changed, 0 insertions, 271 deletions

diff --git a/target/linux/generic/pending-4.9/330-MIPS-kexec-Accept-command-line-parameters-from-users.patch b/target/linux/generic/pending-4.9/330-MIPS-kexec-Accept-command-line-parameters-from-users.patch
deleted file mode 100644
index 8d50208d5b..0000000000
--- a/target/linux/generic/pending-4.9/330-MIPS-kexec-Accept-command-line-parameters-from-users.patch
+++ /dev/null
@@ -1,271 +0,0 @@
-From: Yousong Zhou <yszhou4tech@gmail.com>
-Subject: MIPS: kexec: Accept command line parameters from userspace.
-
-Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
----
- arch/mips/kernel/machine_kexec.c   |  153 +++++++++++++++++++++++++++++++-----
- arch/mips/kernel/machine_kexec.h   |   20 +++++
- arch/mips/kernel/relocate_kernel.S |   21 +++--
- 3 files changed, 167 insertions(+), 27 deletions(-)
- create mode 100644 arch/mips/kernel/machine_kexec.h
-
---- a/arch/mips/kernel/machine_kexec.c
-+++ b/arch/mips/kernel/machine_kexec.c
-@@ -10,14 +10,11 @@
- #include <linux/mm.h>
- #include <linux/delay.h>
- 
-+#include <asm/bootinfo.h>
- #include <asm/cacheflush.h>
- #include <asm/page.h>
--
--extern const unsigned char relocate_new_kernel[];
--extern const size_t relocate_new_kernel_size;
--
--extern unsigned long kexec_start_address;
--extern unsigned long kexec_indirection_page;
-+#include <asm/uaccess.h>
-+#include "machine_kexec.h"
- 
- int (*_machine_kexec_prepare)(struct kimage *) = NULL;
- void (*_machine_kexec_shutdown)(void) = NULL;
-@@ -28,9 +25,117 @@ atomic_t kexec_ready_to_reboot = ATOMIC_
- void (*_crash_smp_send_stop)(void) = NULL;
- #endif
- 
-+static void machine_kexec_print_args(void)
-+{
-+	unsigned long argc = (int)kexec_args[0];
-+	int i;
-+
-+	pr_info("kexec_args[0] (argc): %lu\n", argc);
-+	pr_info("kexec_args[1] (argv): %p\n", (void *)kexec_args[1]);
-+	pr_info("kexec_args[2] (env ): %p\n", (void *)kexec_args[2]);
-+	pr_info("kexec_args[3] (desc): %p\n", (void *)kexec_args[3]);
-+
-+	for (i = 0; i < argc; i++) {
-+		pr_info("kexec_argv[%d] = %p, %s\n",
-+				i, kexec_argv[i], kexec_argv[i]);
-+	}
-+}
-+
-+static void machine_kexec_init_argv(struct kimage *image)
-+{
-+	void __user *buf = NULL;
-+	size_t bufsz;
-+	size_t size;
-+	int i;
-+
-+	bufsz = 0;
-+	for (i = 0; i < image->nr_segments; i++) {
-+		struct kexec_segment *seg;
-+
-+		seg = &image->segment[i];
-+		if (seg->bufsz < 6)
-+			continue;
-+
-+		if (strncmp((char *) seg->buf, "kexec ", 6))
-+			continue;
-+
-+		buf = seg->buf;
-+		bufsz = seg->bufsz;
-+		break;
-+	}
-+
-+	if (!buf)
-+		return;
-+
-+	size = KEXEC_COMMAND_LINE_SIZE;
-+	size = min(size, bufsz);
-+	if (size < bufsz)
-+		pr_warn("kexec command line truncated to %zd bytes\n", size);
-+
-+	/* Copy to kernel space */
-+	if (copy_from_user(kexec_argv_buf, buf, size))
-+		pr_warn("kexec command line copy to kernel space failed\n");
-+
-+	kexec_argv_buf[size - 1] = 0;
-+}
-+
-+static void machine_kexec_parse_argv(struct kimage *image)
-+{
-+	char *reboot_code_buffer;
-+	int reloc_delta;
-+	char *ptr;
-+	int argc;
-+	int i;
-+
-+	ptr = kexec_argv_buf;
-+	argc = 0;
-+
-+	/*
-+	 * convert command line string to array of parameters
-+	 * (as bootloader does).
-+	 */
-+	while (ptr && *ptr && (KEXEC_MAX_ARGC > argc)) {
-+		if (*ptr == ' ') {
-+			*ptr++ = '\0';
-+			continue;
-+		}
-+
-+		kexec_argv[argc++] = ptr;
-+		ptr = strchr(ptr, ' ');
-+	}
-+
-+	if (!argc)
-+		return;
-+
-+	kexec_args[0] = argc;
-+	kexec_args[1] = (unsigned long)kexec_argv;
-+	kexec_args[2] = 0;
-+	kexec_args[3] = 0;
-+
-+	reboot_code_buffer = page_address(image->control_code_page);
-+	reloc_delta = reboot_code_buffer - (char *)kexec_relocate_new_kernel;
-+
-+	kexec_args[1] += reloc_delta;
-+	for (i = 0; i < argc; i++)
-+		kexec_argv[i] += reloc_delta;
-+}
-+
- int
- machine_kexec_prepare(struct kimage *kimage)
- {
-+	/*
-+	 * Whenever arguments passed from kexec-tools, Init the arguments as
-+	 * the original ones to try avoiding booting failure.
-+	 */
-+
-+	kexec_args[0] = fw_arg0;
-+	kexec_args[1] = fw_arg1;
-+	kexec_args[2] = fw_arg2;
-+	kexec_args[3] = fw_arg3;
-+
-+	machine_kexec_init_argv(kimage);
-+	machine_kexec_parse_argv(kimage);
-+
- 	if (_machine_kexec_prepare)
- 		return _machine_kexec_prepare(kimage);
- 	return 0;
-@@ -67,10 +172,12 @@ machine_kexec(struct kimage *image)
- 	unsigned long *ptr;
- 
- 	reboot_code_buffer =
--	  (unsigned long)page_address(image->control_code_page);
-+		(unsigned long)page_address(image->control_code_page);
-+	pr_info("reboot_code_buffer = %p\n", (void *)reboot_code_buffer);
- 
- 	kexec_start_address =
- 		(unsigned long) phys_to_virt(image->start);
-+	pr_info("kexec_start_address = %p\n", (void *)kexec_start_address);
- 
- 	if (image->type == KEXEC_TYPE_DEFAULT) {
- 		kexec_indirection_page =
-@@ -78,9 +185,19 @@ machine_kexec(struct kimage *image)
- 	} else {
- 		kexec_indirection_page = (unsigned long)&image->head;
- 	}
-+	pr_info("kexec_indirection_page = %p\n", (void *)kexec_indirection_page);
- 
--	memcpy((void*)reboot_code_buffer, relocate_new_kernel,
--	       relocate_new_kernel_size);
-+	pr_info("Where is memcpy: %p\n", memcpy);
-+	pr_info("kexec_relocate_new_kernel = %p, kexec_relocate_new_kernel_end = %p\n",
-+		(void *)kexec_relocate_new_kernel, &kexec_relocate_new_kernel_end);
-+	pr_info("Copy %lu bytes from %p to %p\n", KEXEC_RELOCATE_NEW_KERNEL_SIZE,
-+		(void *)kexec_relocate_new_kernel, (void *)reboot_code_buffer);
-+	memcpy((void*)reboot_code_buffer, kexec_relocate_new_kernel,
-+	       KEXEC_RELOCATE_NEW_KERNEL_SIZE);
-+
-+	pr_info("Before _print_args().\n");
-+	machine_kexec_print_args();
-+	pr_info("Before eval loop.\n");
- 
- 	/*
- 	 * The generic kexec code builds a page list with physical
-@@ -102,15 +219,16 @@ machine_kexec(struct kimage *image)
- 	/*
- 	 * we do not want to be bothered.
- 	 */
-+	pr_info("Before irq_disable.\n");
- 	local_irq_disable();
- 
--	printk("Will call new kernel at %08lx\n", image->start);
--	printk("Bye ...\n");
-+	pr_info("Will call new kernel at %08lx\n", image->start);
-+	pr_info("Bye ...\n");
- 	__flush_cache_all();
- #ifdef CONFIG_SMP
- 	/* All secondary cpus now may jump to kexec_wait cycle */
- 	relocated_kexec_smp_wait = reboot_code_buffer +
--		(void *)(kexec_smp_wait - relocate_new_kernel);
-+		(void *)(kexec_smp_wait - kexec_relocate_new_kernel);
- 	smp_wmb();
- 	atomic_set(&kexec_ready_to_reboot, 1);
- #endif
---- /dev/null
-+++ b/arch/mips/kernel/machine_kexec.h
-@@ -0,0 +1,20 @@
-+#ifndef _MACHINE_KEXEC_H
-+#define _MACHINE_KEXEC_H
-+
-+#ifndef __ASSEMBLY__
-+extern const unsigned char kexec_relocate_new_kernel[];
-+extern unsigned long kexec_relocate_new_kernel_end;
-+extern unsigned long kexec_start_address;
-+extern unsigned long kexec_indirection_page;
-+
-+extern char kexec_argv_buf[];
-+extern char *kexec_argv[];
-+
-+#define KEXEC_RELOCATE_NEW_KERNEL_SIZE	((unsigned long)&kexec_relocate_new_kernel_end - (unsigned long)kexec_relocate_new_kernel)
-+#endif /* !__ASSEMBLY__ */
-+
-+#define KEXEC_COMMAND_LINE_SIZE		256
-+#define KEXEC_ARGV_SIZE			(KEXEC_COMMAND_LINE_SIZE / 16)
-+#define KEXEC_MAX_ARGC			(KEXEC_ARGV_SIZE / sizeof(long))
-+
-+#endif
---- a/arch/mips/kernel/relocate_kernel.S
-+++ b/arch/mips/kernel/relocate_kernel.S
-@@ -12,8 +12,9 @@
- #include <asm/mipsregs.h>
- #include <asm/stackframe.h>
- #include <asm/addrspace.h>
-+#include "machine_kexec.h"
- 
--LEAF(relocate_new_kernel)
-+LEAF(kexec_relocate_new_kernel)
- 	PTR_L a0,	arg0
- 	PTR_L a1,	arg1
- 	PTR_L a2,	arg2
-@@ -98,7 +99,7 @@ done:
- #endif
- 	/* jump to kexec_start_address */
- 	j		s1
--	END(relocate_new_kernel)
-+	END(kexec_relocate_new_kernel)
- 
- #ifdef CONFIG_SMP
- /*
-@@ -184,9 +185,15 @@ kexec_indirection_page:
- 	PTR		0
- 	.size		kexec_indirection_page, PTRSIZE
- 
--relocate_new_kernel_end:
-+kexec_argv_buf:
-+	EXPORT(kexec_argv_buf)
-+	.skip		KEXEC_COMMAND_LINE_SIZE
-+	.size		kexec_argv_buf, KEXEC_COMMAND_LINE_SIZE
-+
-+kexec_argv:
-+	EXPORT(kexec_argv)
-+	.skip		KEXEC_ARGV_SIZE
-+	.size		kexec_argv, KEXEC_ARGV_SIZE
- 
--relocate_new_kernel_size:
--	EXPORT(relocate_new_kernel_size)
--	PTR		relocate_new_kernel_end - relocate_new_kernel
--	.size		relocate_new_kernel_size, PTRSIZE
-+kexec_relocate_new_kernel_end:
-+	EXPORT(kexec_relocate_new_kernel_end)