Re: [PATCH] arm: mach-imx: Fix speculative instruction prefetch issue

Hi Ye, this patch is quite old and it looks like it was forgotten - I apply it and runs CI, but it breaks most arm board. So I have to drop it. Best regards, Stefano Babic On 21.02.21 03:27, Ye Li wrote: Default ARM32 MMU setting in u-boot sets XN bit to entire 4GB space no matter which DCAC

[PATCH] arm: mach-imx: Fix speculative instruction prefetch issue

Default ARM32 MMU setting in u-boot sets XN bit to entire 4GB space no matter which DCACHE option is used, and set domain permission to manager. This causes MMU ignores the access check and XN bit, so speculative instruction can fetch from entire space. This patch sets the DDR, ROM, OCRAM without