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Sascha Bischoff 2a01a93ed2 KVM: arm64: gic: Set vgic_model before initing private IRQs 
[ Upstream commit 9435c1e143 ]

Different GIC types require the private IRQs to be initialised
differently. GICv5 is the culprit as it supports both a different
number of private IRQs, and all of these are PPIs (there are no
SGIs). Moreover, as GICv5 uses the top bits of the interrupt ID to
encode the type, the intid also needs to computed differently.

Up until now, the GIC model has been set after initialising the
private IRQs for a VCPU. Move this earlier to ensure that the GIC
model is available when configuring the private IRQs. While we're at
it, also move the setting of the in_kernel flag and implementation
revision to keep them grouped together as before.

Signed-off-by: Sascha Bischoff <sascha.bischoff@arm.com>
Reviewed-by: Jonathan Cameron <jonathan.cameron@huawei.com>
Link: https://patch.msgid.link/20260128175919.3828384-7-sascha.bischoff@arm.com
Signed-off-by: Marc Zyngier <maz@kernel.org>
Stable-dep-of: ac6769c8f9 ("KVM: arm64: Eagerly init vgic dist/redist on vgic creation")
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2026-03-19 16:08:49 +01:00
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README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.