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| author | David S. Miller <davem@davemloft.net> | 2021-02-10 13:30:12 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-02-10 13:30:12 -0800 |
| commit | dc9d87581d464e7b7d38853d6904b70b6c920d99 (patch) | |
| tree | 15aa27fefb867814899c0a0c194adf327675ba10 /arch/arm/kernel/machine_kexec.c | |
| parent | de1db4a6ed6241e34cab0e5059d4b56f6bae39b9 (diff) | |
| parent | 291009f656e8eaebbdfd3a8d99f6b190a9ce9deb (diff) | |
| download | lwn-dc9d87581d464e7b7d38853d6904b70b6c920d99.tar.gz lwn-dc9d87581d464e7b7d38853d6904b70b6c920d99.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Diffstat (limited to 'arch/arm/kernel/machine_kexec.c')
| -rw-r--r-- | arch/arm/kernel/machine_kexec.c | 20 |
1 files changed, 8 insertions, 12 deletions
diff --git a/arch/arm/kernel/machine_kexec.c b/arch/arm/kernel/machine_kexec.c index 5d84ad333f05..2b09dad7935e 100644 --- a/arch/arm/kernel/machine_kexec.c +++ b/arch/arm/kernel/machine_kexec.c @@ -13,6 +13,7 @@ #include <linux/of_fdt.h> #include <asm/mmu_context.h> #include <asm/cacheflush.h> +#include <asm/kexec-internal.h> #include <asm/fncpy.h> #include <asm/mach-types.h> #include <asm/smp_plat.h> @@ -22,11 +23,6 @@ extern void relocate_new_kernel(void); extern const unsigned int relocate_new_kernel_size; -extern unsigned long kexec_start_address; -extern unsigned long kexec_indirection_page; -extern unsigned long kexec_mach_type; -extern unsigned long kexec_boot_atags; - static atomic_t waiting_for_crash_ipi; /* @@ -159,6 +155,7 @@ void (*kexec_reinit)(void); void machine_kexec(struct kimage *image) { unsigned long page_list, reboot_entry_phys; + struct kexec_relocate_data *data; void (*reboot_entry)(void); void *reboot_code_buffer; @@ -174,18 +171,17 @@ void machine_kexec(struct kimage *image) reboot_code_buffer = page_address(image->control_code_page); - /* Prepare parameters for reboot_code_buffer*/ - set_kernel_text_rw(); - kexec_start_address = image->start; - kexec_indirection_page = page_list; - kexec_mach_type = machine_arch_type; - kexec_boot_atags = image->arch.kernel_r2; - /* copy our kernel relocation code to the control code page */ reboot_entry = fncpy(reboot_code_buffer, &relocate_new_kernel, relocate_new_kernel_size); + data = reboot_code_buffer + relocate_new_kernel_size; + data->kexec_start_address = image->start; + data->kexec_indirection_page = page_list; + data->kexec_mach_type = machine_arch_type; + data->kexec_r2 = image->arch.kernel_r2; + /* get the identity mapping physical address for the reboot code */ reboot_entry_phys = virt_to_idmap(reboot_entry); |