> > From: yhlu.ker...@gmail.com [mailto:yhlu.ker...@gmail.com] On Behalf > Of > > Yinghai Lu > > On Thu, Dec 20, 2012 at 11:48 AM, Fenghua Yu <fenghua...@intel.com> > > wrote: > > > From: Fenghua Yu <fenghua...@intel.com> > > > > > > This updates ucode on BSP in 64-bit mode. Paging and virtual > address > > are > > > working now. > > > > > > Signed-off-by: Fenghua Yu <fenghua...@intel.com> > > > --- > > > arch/x86/kernel/head64.c | 6 ++++++ > > > 1 file changed, 6 insertions(+) > > > > > > diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c > > > index e1cb611..1ccbaf1 100644 > > > --- a/arch/x86/kernel/head64.c > > > +++ b/arch/x86/kernel/head64.c > > > @@ -26,6 +26,7 @@ > > > #include <asm/kdebug.h> > > > #include <asm/e820.h> > > > #include <asm/bios_ebda.h> > > > +#include <asm/microcode.h> > > > > > > /* > > > * Manage page tables very early on. > > > @@ -179,6 +180,11 @@ void __init x86_64_start_kernel(char * > > real_mode_data) > > > } > > > load_idt((const struct desc_ptr *)&idt_descr); > > > > > > + /* > > > + * Load microcode early on BSP. > > > + */ > > > + load_ucode_bsp(__va(real_mode_data)); > > > + > > > copy_bootdata(__va(real_mode_data)); > > > > can you make load_ucode_bsp take boot_param directly instead of > > real_mode_data. ? > > > > could be > > > > > > copy_bootdata(__va(real_mode_data)); > > + > > + /* Load microcode early on BSP. */ > > + load_ucode_bsp(&boot_params); > > + > > > > because copy_bootdata, already copy boot_params... > > > > Thanks > > > > Yinghai > > That's right. Will fix this.
I'll call load_ucode_bsp(void) though which will access the global boot_params variable. Thanks. -Fenghua -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
