Sunil V L <sunilvl@xxxxxxxxxxxxxxxx> writes: > Without this, if the tables are larger than 4K, > acpi_map() will fail. > > Signed-off-by: Sunil V L <sunilvl@xxxxxxxxxxxxxxxx> > Acked-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> > --- > drivers/acpi/osl.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c > index 3269a888fb7a..f725813d0cce 100644 > --- a/drivers/acpi/osl.c > +++ b/drivers/acpi/osl.c > @@ -276,7 +276,7 @@ acpi_map_lookup_virt(void __iomem *virt, acpi_size size) > return NULL; > } > > -#if defined(CONFIG_IA64) || defined(CONFIG_ARM64) > +#if defined(CONFIG_IA64) || defined(CONFIG_ARM64) || defined(CONFIG_RISCV) > /* ioremap will take care of cache attributes */ > #define should_use_kmap(pfn) 0 An observation, which can be addressed later; The acpi_os_ioremap() (called when the config above is enabled for RV), does not have an arch specific implementation for RISC-V. The generic one calls ioremap_cached(), which on RISC-V defaults to ioremap() -- caching disabled/_PAGE_IO. That is probably not what we want, but rather something similar that arm64 does. Björn
