linux-kernel - Re: [PATCH] Documentation: core-api: entry: Replace deprecated KVM entry/exit functions

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Message-ID: <aICxZxJ4P9YjJJS2@J2N7QTR9R3>
Date: Wed, 23 Jul 2025 10:54:47 +0100
From: Mark Rutland <mark.rutland@....com>
To: Andrew Donnellan <ajd@...ux.ibm.com>
Cc: Jonathan Corbet <corbet@....net>, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
	Nicolas Saenz Julienne <nsaenz@...zon.com>
Subject: Re: [PATCH] Documentation: core-api: entry: Replace deprecated KVM
 entry/exit functions

On Wed, Jul 23, 2025 at 05:51:34PM +1000, Andrew Donnellan wrote:
> The x86-specific functions kvm_guest_{enter,exit}_irqoff() were removed
> and replaced by the generic guest_state_{enter,exit}_irqoff() in commit
> ef9989afda73 ("kvm: add guest_state_{enter,exit}_irqoff()") and commit
> b2d2af7e5df3 ("kvm/x86: rework guest entry logic").
> 
> Update the references in the entry/exit handling documentation.

Sorry for missing this when I updated the code; thanks for cleaning this
up!

> Cc: Thomas Gleixner <tglx@...utronix.de>
> Cc: Nicolas Saenz Julienne <nsaenz@...zon.com>
> Cc: Mark Rutland <mark.rutland@....com>
> Signed-off-by: Andrew Donnellan <ajd@...ux.ibm.com>

Acked-by: Mark Rutland <mark.rutland@....com>

Mark.

> ---
>  Documentation/core-api/entry.rst | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/core-api/entry.rst b/Documentation/core-api/entry.rst
> index a15f9b1767a2..286a5ecf7cae 100644
> --- a/Documentation/core-api/entry.rst
> +++ b/Documentation/core-api/entry.rst
> @@ -115,8 +115,8 @@ Entering or exiting guest mode is very similar to syscalls. From the host
>  kernel point of view the CPU goes off into user space when entering the
>  guest and returns to the kernel on exit.
>  
> -kvm_guest_enter_irqoff() is a KVM-specific variant of exit_to_user_mode()
> -and kvm_guest_exit_irqoff() is the KVM variant of enter_from_user_mode().
> +guest_state_enter_irqoff() is a KVM-specific variant of exit_to_user_mode()
> +and guest_state_exit_irqoff() is the KVM variant of enter_from_user_mode().
>  The state operations have the same ordering.
>  
>  Task work handling is done separately for guest at the boundary of the
> -- 
> 2.50.1
>