Messages in this thread Patch in this message | | | From | Alexander Duyck <> | Subject | [PATCH v3 8/8] x86/lguest: Use __pa_symbol instead of __pa on C visible symbols | Date | Mon, 05 Nov 2012 11:06:20 -0800 |
| |
The function lguest_write_cr3 is using __pa to convert swapper_pg_dir and initial_page_table from virtual addresses to physical. The correct function to use for these values is __pa_symbol since they are C visible symbols.
Cc: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> ---
arch/x86/lguest/boot.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c index df4176c..1cbd89c 100644 --- a/arch/x86/lguest/boot.c +++ b/arch/x86/lguest/boot.c @@ -552,7 +552,8 @@ static void lguest_write_cr3(unsigned long cr3) current_cr3 = cr3; /* These two page tables are simple, linear, and used during boot */ - if (cr3 != __pa(swapper_pg_dir) && cr3 != __pa(initial_page_table)) + if (cr3 != __pa_symbol(swapper_pg_dir) && + cr3 != __pa_symbol(initial_page_table)) cr3_changed = true; }
| |