Messages in this thread | | | From | John Ogness <> | Subject | Re: [PATCH] x86/microcode: move @microcode_mutex definition near usage | Date | Fri, 24 Mar 2023 17:39:35 +0106 |
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On 2023-03-24, Borislav Petkov <bp@alien8.de> wrote: >> I was doing some tests with CONFIG_PREEMPT_RT. I did not think that >> mattered, since the mutex is obviously defined but not used for >> !CONFIG_MICROCODE_LATE_LOADING. > > Oh sure, I see that. I'd still like to have in the commit message why > exactly it happens.
Note that an unused mutex is being defined, even when the compiler is not warning about it.
>> CONFIG_PREEMPT_RT cannot be enabled yet, so this patch is not urgent for >> mainline. But at some point it will need fixing. > > Sure, send it to me when it can be triggered with a .config with the > upstream tree, along with exact explanation how it happens and I'll > queue it.
OK, but the kernel test robots will probably beat me to it. ;-)
John Ogness
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