From: "H. Peter Anvin" <hpa@zytor.com>
To: Khalid Ali <khaliidcaliy@gmail.com>,
brgerst@gmail.com, tglx@linutronix.de, mingo@redhat.com,
bp@alien8.de, dave.hansen@linux.intel.com, ubizjak@gmail.com
Cc: x86@kernel.org, linux-efi@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v1 0/3] x86/boot: Supply boot_param in rdi instead of rsi from startup_64()
Date: Mon, 23 Jun 2025 11:19:11 -0700 [thread overview]
Message-ID: <860684c8-a985-47bc-af30-3370f203e80d@zytor.com> (raw)
In-Reply-To: <20250623162935.681-1-khaliidcaliy@gmail.com>
On 2025-06-23 09:29, Khalid Ali wrote:
>> This was never intended to conform to the C ABI, why is it necessary
>> to change it?
>
> Technically speaking, you are right, however that doesn't mean we can put something where
> ever we like. We came from C code which is bootloader and we end up to C code, so we should
> comply the ABI here too.
>
This is also invoked by some external bootloaders that boot the ELF
image directly, even though this is strongly discouraged.
Therefore this patchset is NAKed with extreme prejudice.
-hpa
next prev parent reply other threads:[~2025-06-23 18:19 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-23 8:14 Khalid Ali
2025-06-23 12:33 ` Brian Gerst
2025-06-23 16:29 ` Khalid Ali
2025-06-23 18:19 ` H. Peter Anvin [this message]
2025-06-23 18:39 ` Khalid Ali
2025-06-23 19:24 ` Brian Gerst
2025-06-24 0:43 ` H. Peter Anvin
2025-06-24 0:49 ` H. Peter Anvin
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