linux-kernel - Re: [RFC PATCH 6/7] x86/kexec: Debugging support: Dump registers on exception

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Message-ID: <5e2a658b9030ba57b75620958b29f018c80d0a65.camel@infradead.org>
Date: Tue, 05 Nov 2024 19:07:00 -0800
From: David Woodhouse <dwmw2@...radead.org>
To: "H. Peter Anvin" <hpa@...or.com>, "peterz@...radead.org"
 <peterz@...radead.org>, "kexec@...ts.infradead.org"
 <kexec@...ts.infradead.org>,  "jpoimboe@...nel.org" <jpoimboe@...nel.org>
Cc: "horms@...nel.org" <horms@...nel.org>, "x86@...nel.org"
 <x86@...nel.org>,  "bp@...en8.de" <bp@...en8.de>, "mingo@...hat.com"
 <mingo@...hat.com>, "tglx@...utronix.de" <tglx@...utronix.de>,
 "kai.huang@...el.com" <kai.huang@...el.com>, 
 "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
 "kirill.shutemov@...ux.intel.com" <kirill.shutemov@...ux.intel.com>,
 "nik.borisov@...e.com" <nik.borisov@...e.com>, 
 "dave.hansen@...ux.intel.com" <dave.hansen@...ux.intel.com>
Subject: Re: [RFC PATCH 6/7] x86/kexec: Debugging support: Dump registers on
 exception

On Tue, 2024-11-05 at 18:47 -0800, H. Peter Anvin wrote:
> 
> Yes, the linker script needs to happen. 
> 
> This is a case of doing it right vs doing it quickly.

That may just tip it over the edge of how much work it's worth doing to
clean up the debug hack that I implemented for my own use, and make it
useful to others in the future. But I'll see what I can do.

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