Hi Ye Li, On 5/22/26 10:06 AM, Ye Li wrote:
From: Lyrix liu <[email protected]>The variable `pend_tab_total_sz` is calculated using the macro `LPI_PENDBASE_SZ`, which depends on the global variable `lpi_id_bits`. However, `lpi_id_bits` is initialized later in the function based on the GICD_TYPER register. This results in `pend_tab_total_sz` being calculated with an uninitialized `lpi_id_bits` value (0), This leads to the LPI pending tables being mapped with an incorrect size. Fixes: 60b9b47d295b ("Revert "arch: arm: use dt and UCLASS_SYSCON to get gic lpi details"")
I came to the same conclusion and this matches what was implemented in commit 6f6876a0c030 ("arm64: gic-v3-its: Clear the Pending table before enabling LPIs") before the commit you point at. From a "mechanical" point of view, which is the only thing I can do as I know nothing about GIC :), this makes sense so:
Acked-by: Quentin Schulz <[email protected]> Cheers, Quentin
