[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] [xen master] x86/link: Introduce and use __bss_end
commit 7b7bf15949fb13785e6e581a28393aa672179c24 Author: Andrew Cooper <andrew.cooper3@xxxxxxxxxx> AuthorDate: Tue Apr 7 18:26:18 2015 +0100 Commit: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> CommitDate: Fri Apr 10 11:36:13 2015 -0400 x86/link: Introduce and use __bss_end No functional change. Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx> CC: Keir Fraser <keir@xxxxxxx> CC: Jan Beulich <JBeulich@xxxxxxxx> Reviewed-by: Tim Deegan <tim@xxxxxxx> --- xen/arch/x86/boot/head.S | 2 +- xen/arch/x86/setup.c | 4 ++-- xen/arch/x86/tboot.c | 4 ++-- xen/arch/x86/xen.lds.S | 1 + 4 files changed, 6 insertions(+), 5 deletions(-) diff --git a/xen/arch/x86/boot/head.S b/xen/arch/x86/boot/head.S index c99f739..2d0e56c 100644 --- a/xen/arch/x86/boot/head.S +++ b/xen/arch/x86/boot/head.S @@ -124,7 +124,7 @@ __start: /* Initialize BSS (no nasty surprises!) */ mov $sym_phys(__bss_start),%edi - mov $sym_phys(_end),%ecx + mov $sym_phys(__bss_end),%ecx sub %edi,%ecx xor %eax,%eax rep stosb diff --git a/xen/arch/x86/setup.c b/xen/arch/x86/setup.c index 89e4827..2b9787a 100644 --- a/xen/arch/x86/setup.c +++ b/xen/arch/x86/setup.c @@ -185,7 +185,7 @@ static void free_xen_data(char *s, char *e) memguard_guard_range(__va(__pa(s)), e-s); } -extern char __init_begin[], __init_end[], __bss_start[]; +extern char __init_begin[], __init_end[], __bss_start[], __bss_end[]; static void __init init_idle_domain(void) { @@ -1497,7 +1497,7 @@ int __hwdom_init xen_in_range(unsigned long mfn) xen_regions[region_text].e = __pa(&__init_begin); /* bss */ xen_regions[region_bss].s = __pa(&__bss_start); - xen_regions[region_bss].e = __pa(&_end); + xen_regions[region_bss].e = __pa(&__bss_end); } start = (paddr_t)mfn << PAGE_SHIFT; diff --git a/xen/arch/x86/tboot.c b/xen/arch/x86/tboot.c index 7b95ad3..01b9530 100644 --- a/xen/arch/x86/tboot.c +++ b/xen/arch/x86/tboot.c @@ -48,7 +48,7 @@ static uint64_t __initdata sinit_base, __initdata sinit_size; #define TXTCR_HEAP_BASE 0x0300 #define TXTCR_HEAP_SIZE 0x0308 -extern char __init_begin[], __bss_start[]; +extern char __init_begin[], __bss_start[], __bss_end[]; #define SHA1_SIZE 20 typedef uint8_t sha1_hash_t[SHA1_SIZE]; @@ -374,7 +374,7 @@ void tboot_shutdown(uint32_t shutdown_type) __pa(&_stext); /* bss */ g_tboot_shared->mac_regions[2].start = (uint64_t)__pa(&__bss_start); - g_tboot_shared->mac_regions[2].size = __pa(&_end) - __pa(&__bss_start); + g_tboot_shared->mac_regions[2].size = __pa(&__bss_end) - __pa(&__bss_start); /* * MAC domains and other Xen memory diff --git a/xen/arch/x86/xen.lds.S b/xen/arch/x86/xen.lds.S index c854181..4699a04 100644 --- a/xen/arch/x86/xen.lds.S +++ b/xen/arch/x86/xen.lds.S @@ -175,6 +175,7 @@ SECTIONS *(.bss.percpu.read_mostly) . = ALIGN(SMP_CACHE_BYTES); __per_cpu_data_end = .; + __bss_end = .; } :text _end = . ; -- generated by git-patchbot for /home/xen/git/xen.git#master _______________________________________________ Xen-changelog mailing list Xen-changelog@xxxxxxxxxxxxx http://lists.xensource.com/xen-changelog
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