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| author | Keir Fraser <keir.fraser@citrix.com> | 2010-07-29 10:31:21 +0100 |
|---|---|---|
| committer | Keir Fraser <keir.fraser@citrix.com> | 2010-07-29 10:31:21 +0100 |
| commit | 877ca1b20fecf14b364efe9ea0886f0be110a43f (patch) | |
| tree | 3283c322156af9a2184772018e3de65fbac83460 /xen/arch/x86/tboot.c | |
| parent | b99b79d46b8b7c8b3d26600445e86db9db23c744 (diff) | |
| download | xen-877ca1b20fecf14b364efe9ea0886f0be110a43f.tar.gz xen-877ca1b20fecf14b364efe9ea0886f0be110a43f.tar.bz2 xen-877ca1b20fecf14b364efe9ea0886f0be110a43f.zip | |
kexec: Clean up shutdown logic. Reinstate ACPI DMAR during kexec.
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 | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/xen/arch/x86/tboot.c b/xen/arch/x86/tboot.c index 91f97ce438..7a9421e7c6 100644 --- a/xen/arch/x86/tboot.c +++ b/xen/arch/x86/tboot.c @@ -478,7 +478,10 @@ int __init tboot_parse_dmar_table(acpi_table_handler dmar_handler) dmar_table = NULL; acpi_get_table(ACPI_SIG_DMAR, 0, &dmar_table); if ( dmar_table != NULL ) - ((struct acpi_table_dmar *)dmar_table)->header.signature[0] = '\0'; + { + dmar_table->signature[0] = 'X'; + dmar_table->checksum -= 'X'-'D'; + } return rc; } |