generic: fix build failure in MIPS kexec code if SMP is enabled
Signed-off-by: Gabor Juhos <juhosg@openwrt.org> SVN-Revision: 35364
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4 changed files with 14 additions and 16 deletions
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@ -57,20 +57,18 @@ Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
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extern int (*_machine_kexec_prepare)(struct kimage *);
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extern int (*_machine_kexec_prepare)(struct kimage *);
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--- a/arch/mips/kernel/machine_kexec.c
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--- a/arch/mips/kernel/machine_kexec.c
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+++ b/arch/mips/kernel/machine_kexec.c
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+++ b/arch/mips/kernel/machine_kexec.c
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@@ -13,12 +13,6 @@
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@@ -14,10 +14,6 @@
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#include <asm/cacheflush.h>
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#include <asm/page.h>
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#include <asm/page.h>
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-extern const unsigned char relocate_new_kernel[];
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extern const unsigned char relocate_new_kernel[];
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-extern const size_t relocate_new_kernel_size;
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-extern const size_t relocate_new_kernel_size;
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-
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-
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-extern unsigned long kexec_start_address;
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-extern unsigned long kexec_start_address;
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-extern unsigned long kexec_indirection_page;
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-extern unsigned long kexec_indirection_page;
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-
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int (*_machine_kexec_prepare)(struct kimage *) = NULL;
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int (*_machine_kexec_prepare)(struct kimage *) = NULL;
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void (*_machine_kexec_shutdown)(void) = NULL;
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void (*_machine_kexec_shutdown)(void) = NULL;
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void (*_machine_crash_shutdown)(struct pt_regs *regs) = NULL;
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@@ -61,21 +57,34 @@ typedef void (*noretfun_t)(void) __attri
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@@ -61,21 +55,34 @@ typedef void (*noretfun_t)(void) __attri
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void
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void
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machine_kexec(struct kimage *image)
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machine_kexec(struct kimage *image)
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{
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{
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@ -107,7 +105,7 @@ Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
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/*
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/*
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* The generic kexec code builds a page list with physical
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* The generic kexec code builds a page list with physical
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@@ -96,8 +103,8 @@ machine_kexec(struct kimage *image)
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@@ -96,8 +105,8 @@ machine_kexec(struct kimage *image)
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*/
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*/
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local_irq_disable();
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local_irq_disable();
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@ -118,7 +116,7 @@ Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
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__flush_cache_all();
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__flush_cache_all();
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#ifdef CONFIG_SMP
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#ifdef CONFIG_SMP
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/* All secondary cpus now may jump to kexec_wait cycle */
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/* All secondary cpus now may jump to kexec_wait cycle */
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@@ -108,4 +115,3 @@ machine_kexec(struct kimage *image)
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@@ -108,4 +117,3 @@ machine_kexec(struct kimage *image)
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#endif
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#endif
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((noretfun_t) reboot_code_buffer)();
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((noretfun_t) reboot_code_buffer)();
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}
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}
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@ -19,7 +19,7 @@ Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
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#include <asm/cacheflush.h>
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#include <asm/cacheflush.h>
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#include <asm/page.h>
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#include <asm/page.h>
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@@ -21,9 +22,30 @@ void (*relocated_kexec_smp_wait) (void *
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@@ -23,9 +24,30 @@ void (*relocated_kexec_smp_wait) (void *
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atomic_t kexec_ready_to_reboot = ATOMIC_INIT(0);
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atomic_t kexec_ready_to_reboot = ATOMIC_INIT(0);
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#endif
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#endif
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@ -19,9 +19,9 @@ Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
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#include <asm/page.h>
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#include <asm/page.h>
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+#include <asm/uaccess.h>
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+#include <asm/uaccess.h>
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int (*_machine_kexec_prepare)(struct kimage *) = NULL;
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extern const unsigned char relocate_new_kernel[];
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void (*_machine_kexec_shutdown)(void) = NULL;
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@@ -35,6 +36,56 @@ static void machine_kexec_init_args(void
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@@ -37,6 +38,56 @@ static void machine_kexec_init_args(void
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pr_info("kexec_args[3] (desc): %p\n", (void *)kexec_args[3]);
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pr_info("kexec_args[3] (desc): %p\n", (void *)kexec_args[3]);
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}
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}
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@ -78,7 +78,7 @@ Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
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int
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int
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machine_kexec_prepare(struct kimage *kimage)
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machine_kexec_prepare(struct kimage *kimage)
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{
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{
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@@ -45,6 +96,7 @@ machine_kexec_prepare(struct kimage *kim
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@@ -47,6 +98,7 @@ machine_kexec_prepare(struct kimage *kim
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* This can be overrided by _machine_kexec_prepare().
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* This can be overrided by _machine_kexec_prepare().
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*/
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*/
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machine_kexec_init_args();
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machine_kexec_init_args();
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@ -1,6 +1,6 @@
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--- a/arch/mips/kernel/machine_kexec.c
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--- a/arch/mips/kernel/machine_kexec.c
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+++ b/arch/mips/kernel/machine_kexec.c
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+++ b/arch/mips/kernel/machine_kexec.c
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@@ -23,67 +23,104 @@ void (*relocated_kexec_smp_wait) (void *
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@@ -25,67 +25,104 @@ void (*relocated_kexec_smp_wait) (void *
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atomic_t kexec_ready_to_reboot = ATOMIC_INIT(0);
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atomic_t kexec_ready_to_reboot = ATOMIC_INIT(0);
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#endif
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#endif
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@ -151,7 +151,7 @@
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}
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}
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int
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int
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@@ -95,8 +132,14 @@ machine_kexec_prepare(struct kimage *kim
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@@ -97,8 +134,14 @@ machine_kexec_prepare(struct kimage *kim
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*
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*
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* This can be overrided by _machine_kexec_prepare().
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* This can be overrided by _machine_kexec_prepare().
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*/
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*/
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@ -168,7 +168,7 @@
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if (_machine_kexec_prepare)
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if (_machine_kexec_prepare)
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return _machine_kexec_prepare(kimage);
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return _machine_kexec_prepare(kimage);
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@@ -152,11 +195,13 @@ machine_kexec(struct kimage *image)
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@@ -154,11 +197,13 @@ machine_kexec(struct kimage *image)
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pr_info("kexec_indirection_page = %p\n",
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pr_info("kexec_indirection_page = %p\n",
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(void *)kexec_indirection_page);
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(void *)kexec_indirection_page);
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