On Tue, 18 Oct 2022 at 13:57, Catalin Marinas <catalin.marinas@xxxxxxx> wrote: > > On Mon, Oct 17, 2022 at 07:16:41PM +0200, Ard Biesheuvel wrote: > > To allow efi_enter_kernel() to be shared with the EFI zboot decompressor > > build, drop another reference to dcache_clean_poc() and replace it with > > a single DC CVAC instruction. To ensure that it covers the remainder of > > efi_enter_kernel() as intended, reorganize the code a bit so it fits in > > a 32-byte cacheline, and align it to 32 bytes. (Even though the > > architecture defines 16 as the minimum D-cache line size, even the > > chosen value of 32 is highly unlikely to ever be encountered on real > > hardware, and this works with any line size >= 32) > > This should do. > > > -0: > > + adr x4, 1f > > + dc civac, x4 > > s/civac/cvac/ ? > Ah yes, I changed that last minute because of ARM64_WORKAROUND_CLEAN_CACHE - I'll add a note. > Otherwise, > > Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx> Thanks
