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2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb

 kernel/arch/powerpc/include/asm/kexec.h
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@@ -94,18 +94,32 @@
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 	return crashing_cpu >= 0;
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 }
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+void relocate_new_kernel(unsigned long indirection_page, unsigned long reboot_code_buffer,
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+			 unsigned long start_address) __noreturn;
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+
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 #ifdef CONFIG_KEXEC_FILE
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 extern const struct kexec_file_ops kexec_elf64_ops;
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-#ifdef CONFIG_IMA_KEXEC
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 #define ARCH_HAS_KIMAGE_ARCH
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 struct kimage_arch {
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+	struct crash_mem *exclude_ranges;
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+
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+	unsigned long backup_start;
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+	void *backup_buf;
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+
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+	unsigned long elfcorehdr_addr;
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+	unsigned long elf_headers_sz;
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+	void *elf_headers;
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+
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+#ifdef CONFIG_IMA_KEXEC
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 	phys_addr_t ima_buffer_addr;
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 	size_t ima_buffer_size;
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-};
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 #endif
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+};
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+char *setup_kdump_cmdline(struct kimage *image, char *cmdline,
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+			  unsigned long cmdline_len);
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 int setup_purgatory(struct kimage *image, const void *slave_code,
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 		    const void *fdt, unsigned long kernel_load_addr,
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 		    unsigned long fdt_load_addr);
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@@ -113,6 +127,21 @@
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 		  unsigned long initrd_load_addr, unsigned long initrd_len,
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 		  const char *cmdline);
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 int delete_fdt_mem_rsv(void *fdt, unsigned long start, unsigned long size);
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+
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+#ifdef CONFIG_PPC64
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+struct kexec_buf;
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+
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+int load_crashdump_segments_ppc64(struct kimage *image,
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+				  struct kexec_buf *kbuf);
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+int setup_purgatory_ppc64(struct kimage *image, const void *slave_code,
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+			  const void *fdt, unsigned long kernel_load_addr,
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+			  unsigned long fdt_load_addr);
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+unsigned int kexec_fdt_totalsize_ppc64(struct kimage *image);
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+int setup_new_fdt_ppc64(const struct kimage *image, void *fdt,
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+			unsigned long initrd_load_addr,
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+			unsigned long initrd_len, const char *cmdline);
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+#endif /* CONFIG_PPC64 */
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+
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 #endif /* CONFIG_KEXEC_FILE */
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 #else /* !CONFIG_KEXEC_CORE */
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@@ -147,6 +176,18 @@
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 }
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 #endif /* CONFIG_KEXEC_CORE */
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+
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+#ifdef CONFIG_PPC_BOOK3S_64
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+#include <asm/book3s/64/kexec.h>
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+#endif
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+
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+#ifndef reset_sprs
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+#define reset_sprs reset_sprs
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+static inline void reset_sprs(void)
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+{
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+}
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+#endif
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+
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 #endif /* ! __ASSEMBLY__ */
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 #endif /* __KERNEL__ */
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 #endif /* _ASM_POWERPC_KEXEC_H */