Re: [PATCH printk v3 02/14] printk: Adjust mapping for 32bit seq macros

From: John Ogness
Date: Fri Dec 15 2023 - 05:10:54 EST


On 2023-12-15, Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> wrote:
> On 2023-12-14 22:47:49 [+0106], John Ogness wrote:
>> Note: This change only applies to 32bit architectures. On 64bit
>> architectures the macros are NOPs.
>
> You lost my authorship.

OK. Thanks for speaking up. (And thanks for doing the heavy lifting
researching the needed change.)

> But serious matter: Is this bug already present in the current printk
> tree or is this code just not used and enabled later? Patch #1 from
> this series moves the sequence around so is this problem introduced in
> the previous patch and fixed here?

No, it is not a bug at this point. As the commit message writes:

"Until now this mapping has been correct for all call sites."

But if the mapping is not changed here, it will become a bug after
applying patch 3 of this series.

John