From 5dd00021b3ae0b6ef0dd645c862b63e79b056ccc Mon Sep 17 00:00:00 2001 From: Keir Fraser Date: Sat, 25 Apr 2009 08:19:14 +0100 Subject: [PATCH] x86 vtd: Do not exclude freed percpu areas from dom0 vtd tables. Signed-off-by: Qing He Signed-off-by: Keir Fraser --- xen/arch/x86/setup.c | 6 +++--- xen/arch/x86/tboot.c | 7 ++++--- 2 files changed, 7 insertions(+), 6 deletions(-) diff --git a/xen/arch/x86/setup.c b/xen/arch/x86/setup.c index 600de2a9f6..d87d0827aa 100644 --- a/xen/arch/x86/setup.c +++ b/xen/arch/x86/setup.c @@ -1124,8 +1124,7 @@ int xen_in_range(paddr_t start, paddr_t end) /* initialize first time */ if ( !xen_regions[0].s ) { - extern char __init_begin[], __per_cpu_start[], __per_cpu_end[], - __bss_start[]; + extern char __init_begin[], __bss_start[]; extern unsigned long allocator_bitmap_end; /* S3 resume code (and other real mode trampoline code) */ @@ -1136,7 +1135,8 @@ int xen_in_range(paddr_t start, paddr_t end) xen_regions[1].e = __pa(&__init_begin); /* per-cpu data */ xen_regions[2].s = __pa(&__per_cpu_start); - xen_regions[2].e = __pa(&__per_cpu_end); + xen_regions[2].e = xen_regions[2].s + + (((paddr_t)last_cpu(cpu_possible_map) + 1) << PERCPU_SHIFT); /* bss + boot allocator bitmap */ xen_regions[3].s = __pa(&__bss_start); xen_regions[3].e = allocator_bitmap_end; diff --git a/xen/arch/x86/tboot.c b/xen/arch/x86/tboot.c index e259cd5da1..54075c21c5 100644 --- a/xen/arch/x86/tboot.c +++ b/xen/arch/x86/tboot.c @@ -46,7 +46,7 @@ static uint64_t sinit_base, sinit_size; #define TXTCR_HEAP_BASE 0x0300 #define TXTCR_HEAP_SIZE 0x0308 -extern char __init_begin[], __per_cpu_start[], __per_cpu_end[], __bss_start[]; +extern char __init_begin[], __per_cpu_start[], __bss_start[]; extern unsigned long allocator_bitmap_end; #define SHA1_SIZE 20 @@ -310,8 +310,9 @@ void tboot_shutdown(uint32_t shutdown_type) __pa(&_stext); /* per-cpu data */ g_tboot_shared->mac_regions[2].start = (uint64_t)__pa(&__per_cpu_start); - g_tboot_shared->mac_regions[2].size = __pa(&__per_cpu_end) - - __pa(&__per_cpu_start); + g_tboot_shared->mac_regions[2].size = + g_tboot_shared->mac_regions[2].start + + (((uint64_t)last_cpu(cpu_possible_map) + 1) << PERCPU_SHIFT); /* bss */ g_tboot_shared->mac_regions[3].start = (uint64_t)__pa(&__bss_start); g_tboot_shared->mac_regions[3].size = __pa(&_end) - __pa(&__bss_start); -- 2.30.2