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Re: [PATCH 4/4] x86/kexec: address Misra rule 11.1 violation in machine_kexec_load()
- To: Jan Beulich <jbeulich@xxxxxxxx>
- From: Nicola Vetrini <nicola.vetrini@xxxxxxxxxxx>
- Date: Sat, 12 Sep 2026 18:06:02 +0200
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- Cc: xen-devel@xxxxxxxxxxxxxxxxxxxx, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- Delivery-date: Sat, 12 Sep 2026 16:06:05 +0000
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On 2026-09-03 13:44, Jan Beulich wrote:
Misra rule 11.1 demands no conversion to different types at all. We
deviate conversions to long, unsigned long, and void *, though -
leverage
that deviation here.
No functional change intended.
Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
Reviewed-by: Nicola Vetrini <nicola.vetrini@xxxxxxxxxxx>
--- a/xen/arch/x86/machine_kexec.c
+++ b/xen/arch/x86/machine_kexec.c
@@ -121,7 +121,8 @@ int machine_kexec_load(struct kexec_imag
}
code_page = __map_domain_page(image->control_code_page);
- memcpy(code_page, kexec_reloc, kexec_reloc_end - (char
*)kexec_reloc);
+ memcpy(code_page, kexec_reloc,
+ kexec_reloc_end - (const char *)(unsigned
long)kexec_reloc);
unmap_domain_page(code_page);
/*
--
Nicola Vetrini, B.Sc.
Software Engineer
BUGSENG (https://bugseng.com)
LinkedIn: https://www.linkedin.com/in/nicola-vetrini-a42471253
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