kernel: Remove support for kernel 3.18

No target is using kernel 3.18 anymore, remove all the generic
support for kernel 3.18.

The removed packages are depending on kernel 3.18 only and are not used on
any recent kernel.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

1 files changed, 0 insertions, 298 deletions

diff --git a/target/linux/generic/pending-3.18/330-MIPS-kexec-Accept-command-line-parameters-from-users.patch b/target/linux/generic/pending-3.18/330-MIPS-kexec-Accept-command-line-parameters-from-users.patch
deleted file mode 100644
index 3a09572bde..0000000000
--- a/target/linux/generic/pending-3.18/330-MIPS-kexec-Accept-command-line-parameters-from-users.patch
+++ /dev/null
@@ -1,298 +0,0 @@
-From d8582dcf1ed66eee88a11e4760f42c0d6c8822be Mon Sep 17 00:00:00 2001
-From: Yousong Zhou <yszhou4tech@gmail.com>
-Date: Sat, 31 Jan 2015 22:26:03 +0800
-Subject: [PATCH 331/331] 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
-@@ -10,45 +10,145 @@
- #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;
- void (*_machine_crash_shutdown)(struct pt_regs *regs) = NULL;
-+
- #ifdef CONFIG_SMP
- void (*relocated_kexec_smp_wait) (void *);
- atomic_t kexec_ready_to_reboot = ATOMIC_INIT(0);
- #endif
- 
--int
--machine_kexec_prepare(struct kimage *kimage)
-+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 */
-+	copy_from_user(kexec_argv_buf, buf, size);
-+	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;
- }
- 
--void
--machine_kexec_cleanup(struct kimage *kimage)
-+void machine_kexec_cleanup(struct kimage *kimage)
- {
- }
- 
--void
--machine_shutdown(void)
-+void machine_shutdown(void)
- {
- 	if (_machine_kexec_shutdown)
- 		_machine_kexec_shutdown();
- }
- 
--void
--machine_crash_shutdown(struct pt_regs *regs)
-+void machine_crash_shutdown(struct pt_regs *regs)
- {
- 	if (_machine_crash_shutdown)
- 		_machine_crash_shutdown(regs);
-@@ -66,10 +166,12 @@ 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 =
-@@ -77,9 +179,19 @@ 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
-@@ -101,15 +213,16 @@ 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)