[PATCH] ARM64: setupc: drop erroneous cache flush of virt addr 0

[Sascha Hauer]

On Fri, 12 Sep 2025 08:51:04 +0200, Ahmad Fatoum wrote:
> relocate_to_adr copies around executable code and thus needs to
> ensure coherence between I$ and D$. When the function was first added,
> it didn't maintain cache correctly, because while it did call
> arm_early_mmu_cache_flush(), back then that function did not invalidate
> I$ after the D$ clean.
> 
> This likely went unnoticed, because a comment in relocate_to_adr
> suggested that ic ivau is invalidating the I$, but in reality that
> instruction did an unconditional invalidation of the single
> cache line corresponding to virtual address 0 if it exists.
> 
> [...]

Applied, thanks!

[1/1] ARM64: setupc: drop erroneous cache flush of virt addr 0
      https://git.pengutronix.de/cgit/barebox/commit/?id=cca8ff2e8810 (link may not be stable)

Best regards,
-- 
Sascha Hauer <s.hauer at pengutronix.de>