On Tue, 28 Jan 2025 00:17:49 +0000, Oliver Upton oliver.upton@linux.dev wrote:
Perhaps unsurprisingly there are some platforms where the GTDT isn't quite right and the Platforms Timer array overflows the length of the overall table.
Colour me shocked! Broken ACPI tables? [insert REM song here].
While the recently-added sanity checking isn't wrong, it makes it impossible to boot the kernel on offending platforms. Try to hobble along and limit the Platform Timer count to the bounds of the table.
Cc: Marc Zyngier maz@kernel.org Cc: Lorenzo Pieralisi lpieralisi@kernel.org Cc: Zheng Zengkai zhengzengkai@huawei.com Cc: stable@vger.kernel.org Fixes: 263e22d6bd1f ("ACPI: GTDT: Tighten the check for the array of platform timer structures") Signed-off-by: Oliver Upton oliver.upton@linux.dev
Acked-by: Marc Zyngier maz@kernel.org
M.