From: Borislav Petkov <bp@alien8.de>
To: Marc Zyngier <maz@kernel.org>
Cc: Randy Dunlap <rdunlap@infradead.org>,
Thomas Gleixner <tglx@linutronix.de>,
broonie@kernel.org,
Linux Next Mailing List <linux-next@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
x86@kernel.org
Subject: Re: linux-next: Tree for Sep 30 (i386 non-SMP non-APIC w/ IRQ_DOMAIN: build errors)
Date: Mon, 3 Oct 2022 23:19:58 +0200 [thread overview]
Message-ID: <YztR/qfmoFKND1ot@zn.tnic> (raw)
In-Reply-To: <8635c4bw6i.wl-maz@kernel.org>
On Mon, Oct 03, 2022 at 07:26:29PM +0100, Marc Zyngier wrote:
> Can x86 practically deal with MSIs without the APIC? If not, we should
> instead find a way to forbid MSIs when APIC isn't selected. Or make
> APIC support mandatory.
Well, you need the local APIC in order to send MSIs, that's why
X86_LOCAL_APIC depends on PCI_MSI.
I'll have a look at that .config tomorrow.
Thx.
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
next prev parent reply other threads:[~2022-10-03 21:29 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-30 15:47 linux-next: Tree for Sep 30 broonie
2022-10-01 21:25 ` linux-next: Tree for Sep 30 (i386 non-SMP non-APIC w/ IRQ_DOMAIN: build errors) Randy Dunlap
2022-10-03 18:26 ` Marc Zyngier
2022-10-03 21:19 ` Borislav Petkov [this message]
2022-10-03 4:47 ` linux-next: Tree for Sep 30 Stephen Rothwell
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