[PATCH v2 2/2] x86: kexec_file: print appropriate variable

From: Åukasz Stelmach
Date: Thu Apr 30 2020 - 12:32:24 EST


The value of kbuf->memsz may be different than kbuf->bufsz after calling
kexec_add_buffer(). Hence both values should be logged.

Fixes: ec2b9bfaac44e ("kexec_file: Change kexec_add_buffer to take kexec_buf as argument.")
Fixes: 27f48d3e633be ("kexec-bzImage64: support for loading bzImage using 64bit entry")
Fixes: dd5f726076cc7 ("kexec: support for kexec on panic using new system call")
Cc: Vivek Goyal <vgoyal@xxxxxxxxxx>
Cc: Thiago Jung Bauermann <bauerman@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Åukasz Stelmach <l.stelmach@xxxxxxxxxxx>
---
arch/x86/kernel/crash.c | 2 +-
arch/x86/kernel/kexec-bzimage64.c | 4 ++--
2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/x86/kernel/crash.c b/arch/x86/kernel/crash.c
index fd87b59452a3..d408e5b536fa 100644
--- a/arch/x86/kernel/crash.c
+++ b/arch/x86/kernel/crash.c
@@ -420,7 +420,7 @@ int crash_load_segments(struct kimage *image)
}
image->arch.elf_load_addr = kbuf.mem;
pr_debug("Loaded ELF headers at 0x%lx bufsz=0x%lx memsz=0x%lx\n",
- image->arch.elf_load_addr, kbuf.bufsz, kbuf.bufsz);
+ image->arch.elf_load_addr, kbuf.bufsz, kbuf.memsz);

return ret;
}
diff --git a/arch/x86/kernel/kexec-bzimage64.c b/arch/x86/kernel/kexec-bzimage64.c
index db6578d45157..420393c58a73 100644
--- a/arch/x86/kernel/kexec-bzimage64.c
+++ b/arch/x86/kernel/kexec-bzimage64.c
@@ -434,7 +434,7 @@ static void *bzImage64_load(struct kimage *image, char *kernel,
goto out_free_params;
bootparam_load_addr = kbuf.mem;
pr_debug("Loaded boot_param, command line and misc at 0x%lx bufsz=0x%lx memsz=0x%lx\n",
- bootparam_load_addr, kbuf.bufsz, kbuf.bufsz);
+ bootparam_load_addr, kbuf.bufsz, kbuf.memsz);

/* Load kernel */
kbuf.buffer = kernel + kern16_size;
@@ -464,7 +464,7 @@ static void *bzImage64_load(struct kimage *image, char *kernel,
initrd_load_addr = kbuf.mem;

pr_debug("Loaded initrd at 0x%lx bufsz=0x%lx memsz=0x%lx\n",
- initrd_load_addr, initrd_len, initrd_len);
+ initrd_load_addr, kbuf.bufsz, kbuf.memsz);

setup_initrd(params, initrd_load_addr, initrd_len);
}
--
2.25.0