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| author | Keir Fraser <keir.fraser@citrix.com> | 2010-05-18 15:13:45 +0100 |
|---|---|---|
| committer | Keir Fraser <keir.fraser@citrix.com> | 2010-05-18 15:13:45 +0100 |
| commit | 00c51c29c14611cdb4164fc64e89b6e7ad6c1df2 (patch) | |
| tree | 4c4462e5d66a0bc71b12f669a3a3c9a17c682b1d /xen/arch/x86/tboot.c | |
| parent | c12bbde846af61d1b8441da6c627181ccbc7a157 (diff) | |
| download | xen-00c51c29c14611cdb4164fc64e89b6e7ad6c1df2.tar.gz xen-00c51c29c14611cdb4164fc64e89b6e7ad6c1df2.tar.bz2 xen-00c51c29c14611cdb4164fc64e89b6e7ad6c1df2.zip | |
x86: Dynamically allocate percpu data area when a CPU comes online.
At the same time, the data area starts life zeroed.
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
Diffstat (limited to 'xen/arch/x86/tboot.c')
| -rw-r--r-- | xen/arch/x86/tboot.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/xen/arch/x86/tboot.c b/xen/arch/x86/tboot.c index 9cbed0b09f..63aba56820 100644 --- a/xen/arch/x86/tboot.c +++ b/xen/arch/x86/tboot.c @@ -357,7 +357,7 @@ void tboot_shutdown(uint32_t shutdown_type) /* * Xen regions for tboot to MAC */ - g_tboot_shared->num_mac_regions = 4; + g_tboot_shared->num_mac_regions = 3; /* S3 resume code (and other real mode trampoline code) */ g_tboot_shared->mac_regions[0].start = bootsym_phys(trampoline_start); g_tboot_shared->mac_regions[0].size = bootsym_phys(trampoline_end) - @@ -366,13 +366,9 @@ void tboot_shutdown(uint32_t shutdown_type) g_tboot_shared->mac_regions[1].start = (uint64_t)__pa(&_stext); g_tboot_shared->mac_regions[1].size = __pa(&__init_begin) - __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 = - (((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); + g_tboot_shared->mac_regions[2].start = (uint64_t)__pa(&__bss_start); + g_tboot_shared->mac_regions[2].size = __pa(&_end) - __pa(&__bss_start); /* * MAC domains and other Xen memory |