* Jeremy Fitzhardinge <jeremy@xxxxxxxx> wrote: > Andi Kleen wrote: >> Jeremy Fitzhardinge <jeremy@xxxxxxxx> writes: >> >>> However, unlike early_ioremap(), __acpi_map_table just maintains a >>> single mapping which gets replaced each call, and has no corresponding >>> unmap function. Implement this by just removing the previous mapping >>> each time its called. Unfortunately, this will leave a stray mapping >>> at the end. >>> >> >> Stray mappings are dangerous. They can lead to illegal cache aliases >> later. Better avoid them. >> >> I guess ACPI could call a cleanup function after it's done with >> all early mappings. >> > > Right. But Yinghai (I think) went through and made all the acpi > mappings get properly mapped and unmapped, so my patch is moot. yes, right. Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
