linux-kernel - Re: [PATCH] Revert "irqchip/riscv-imsic: Embed the vector array in lpriv"

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Message-Id: 
 <176883248829.1426077.16023211489280922945.git-patchwork-notify@kernel.org>
Date: Mon, 19 Jan 2026 14:21:28 +0000
From: patchwork-bot+linux-riscv@...nel.org
To: Anup Patel <anup.patel@....qualcomm.com>
Cc: linux-riscv@...ts.infradead.org, tglx@...utronix.de, palmer@...belt.com,
 pjw@...nel.org, alex@...ti.fr, sunilvl@....qualcomm.com,
 atish.patra@...ux.dev, andrew.jones@....qualcomm.com,
 samuel.holland@...ive.com, anup@...infault.org,
 kvm-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Revert "irqchip/riscv-imsic: Embed the vector array in
 lpriv"

Hello:

This patch was applied to riscv/linux.git (fixes)
by Thomas Gleixner <tglx@...nel.org>:

On Tue, 23 Dec 2025 20:05:44 +0530 you wrote:
> The __alloc_percpu() fails when the number of IDs are greater than 959
> because size parameter of __alloc_percpu() must be less than 32768 (aka
> PCPU_MIN_UNIT_SIZE). This failure is observed with KVMTOOL when AIA is
> trap-n-emulated by in-kernel KVM because in this case KVM guest has 2047
> interrupt IDs.
> 
> To address this issue, don't embed vector array in struct imsic_local_priv
> until __alloc_percpu() support size parameter greater than 32768.
> 
> [...]

Here is the summary with links:
  - Revert "irqchip/riscv-imsic: Embed the vector array in lpriv"
    https://git.kernel.org/riscv/c/a33d16dc874a

You are awesome, thank you!
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