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Subject[PATCH v9 18/18] arm64: kexec: remove head from relocation argument
Date
Now, that relocation is done using virtual addresses, reloc_arg->head
is not needed anymore.

Signed-off-by: Pavel Tatashin <pasha.tatashin@soleen.com>
---
arch/arm64/include/asm/kexec.h | 2 --
arch/arm64/kernel/asm-offsets.c | 1 -
arch/arm64/kernel/machine_kexec.c | 1 -
3 files changed, 4 deletions(-)

diff --git a/arch/arm64/include/asm/kexec.h b/arch/arm64/include/asm/kexec.h
index 8f4332ac607a..571a2ba886b9 100644
--- a/arch/arm64/include/asm/kexec.h
+++ b/arch/arm64/include/asm/kexec.h
@@ -100,7 +100,6 @@ extern const unsigned long kexec_el2_vectors_offset;

/*
* kern_reloc_arg is passed to kernel relocation function as an argument.
- * head kimage->head, allows to traverse through relocation segments.
* entry_addr kimage->start, where to jump from relocation function (new
* kernel, or purgatory entry address).
* kern_arg0 first argument to kernel is its dtb address. The other
@@ -116,7 +115,6 @@ extern const unsigned long kexec_el2_vectors_offset;
* copy_len Number of bytes that need to be copied
*/
struct kern_reloc_arg {
- phys_addr_t head;
phys_addr_t entry_addr;
phys_addr_t kern_arg0;
phys_addr_t kern_arg1;
diff --git a/arch/arm64/kernel/asm-offsets.c b/arch/arm64/kernel/asm-offsets.c
index 58ad5b7816ab..8673a5854807 100644
--- a/arch/arm64/kernel/asm-offsets.c
+++ b/arch/arm64/kernel/asm-offsets.c
@@ -130,7 +130,6 @@ int main(void)
DEFINE(SDEI_EVENT_PRIORITY, offsetof(struct sdei_registered_event, priority));
#endif
#ifdef CONFIG_KEXEC_CORE
- DEFINE(KEXEC_KRELOC_HEAD, offsetof(struct kern_reloc_arg, head));
DEFINE(KEXEC_KRELOC_ENTRY_ADDR, offsetof(struct kern_reloc_arg, entry_addr));
DEFINE(KEXEC_KRELOC_KERN_ARG0, offsetof(struct kern_reloc_arg, kern_arg0));
DEFINE(KEXEC_KRELOC_KERN_ARG1, offsetof(struct kern_reloc_arg, kern_arg1));
diff --git a/arch/arm64/kernel/machine_kexec.c b/arch/arm64/kernel/machine_kexec.c
index db96d2fab8b2..2d3290d7b122 100644
--- a/arch/arm64/kernel/machine_kexec.c
+++ b/arch/arm64/kernel/machine_kexec.c
@@ -162,7 +162,6 @@ int machine_kexec_post_load(struct kimage *kimage)
memcpy(reloc_code, kexec_relocate_code_start, kexec_relocate_code_size);
kimage->arch.kern_reloc = __pa(reloc_code) + kexec_kern_reloc_offset;
kimage->arch.kern_reloc_arg = __pa(kern_reloc_arg);
- kern_reloc_arg->head = kimage->head;
kern_reloc_arg->entry_addr = kimage->start;
kern_reloc_arg->kern_arg0 = kimage->arch.dtb_mem;
/* Setup vector table only when EL2 is available, but no VHE */
--
2.17.1
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