linux-kernel - Re: [PATCH 4.19 08/57] KVM: x86: Fix split-irqchip vs interrupt injection window request

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Date:   Tue, 1 Dec 2020 11:20:10 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Paolo Bonzini <pbonzini@...hat.com>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        David Woodhouse <dwmw@...zon.co.uk>,
        Nikos Tsironis <ntsironis@...ikto.com>
Subject: Re: [PATCH 4.19 08/57] KVM: x86: Fix split-irqchip vs interrupt
 injection window request

On Tue, Dec 01, 2020 at 11:03:36AM +0100, Paolo Bonzini wrote:
> On 01/12/20 10:57, Greg Kroah-Hartman wrote:
> > > Since you did not apply "KVM: x86: handle !lapic_in_kernel case in
> > > kvm_cpu_*_extint" to 4.19 or earlier, please leave this one out as well.
> > Isn't it patch 07 of this series?
> 
> Yes, it arrived a few minutes after I hit send for whatever reason. Though
> it still applies to 4.14 and earlier:
> 
> ` [PATCH 4.14 04/50] wireless: Use linux/stddef.h instead of stddef.h
> ` [PATCH 4.14 07/50] btrfs: adjust return values of btrfs_inode_by_name
> ` [PATCH 4.14 08/50] btrfs: inode: Verify inode mode to avoid NULL pointer
> dereference
> ` [PATCH 4.14 09/50] KVM: x86: Fix split-irqchip vs interrupt injection
> window request
> 
> ` [PATCH 4.9 05/42] btrfs: tree-checker: Enhance chunk checker to validate
> chunk profile
> ` [PATCH 4.9 06/42] btrfs: inode: Verify inode mode to avoid NULL pointer
> dereference
> ` [PATCH 4.9 07/42] KVM: x86: Fix split-irqchip vs interrupt injection
> window request
> 
> ` [PATCH 4.4 01/24] btrfs: tree-checker: Enhance chunk checker to validate
> chunk profile
> ` [PATCH 4.4 02/24] btrfs: inode: Verify inode mode to avoid NULL pointer
> dereference
> ` [PATCH 4.4 03/24] KVM: x86: Fix split-irqchip vs interrupt injection
> window request

Ok, I will go drop this patch from 4.14, 4.9, and 4.4.  Or, should the
needed pre-requisite patch be properly backported there instead?

And was it marked somewhere that this patch depended on that one and I
just missed it?

thanks,

greg k-h