On Tue, Nov 28, 2017 at 10:43:59AM +0100, Juergen Gross wrote: > In case the rsdp address in struct boot_params is specified don't try > to find the table by searching, but take the address directly as set > by the boot loader. > > Signed-off-by: Juergen Gross <jgross@xxxxxxxx> > --- > drivers/acpi/osl.c | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c > index 3bb46cb24a99..3b25e2ad7d75 100644 > --- a/drivers/acpi/osl.c > +++ b/drivers/acpi/osl.c > @@ -45,6 +45,10 @@ > #include <linux/uaccess.h> > #include <linux/io-64-nonatomic-lo-hi.h> > > +#ifdef CONFIG_X86 > +#include <asm/setup.h> > +#endif > + > #include "internal.h" > > #define _COMPONENT ACPI_OS_SERVICES > @@ -195,6 +199,10 @@ acpi_physical_address __init acpi_os_get_root_pointer(void) > if (acpi_rsdp) > return acpi_rsdp; > #endif > +#ifdef CONFIG_X86 > + if (boot_params.hdr.acpi_rsdp_addr) > + return boot_params.hdr.acpi_rsdp_addr; > +#endif I'm struggling to figure out how was PVH getting the RSDP previously, because that should be removed now that it's in the zero-page. Roger. -- 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
