Messages in this thread Patch in this message | | | From | Ian Campbell <> | Date | Thu, 28 Feb 2008 08:26:13 +0000 | Subject | [PATCH 1/2] x86: Add nodmi command line option to turn off DMI parsing. |
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Signed-off-by: Ian Campbell <ijc@hellion.org.uk> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Jeremy Fitzhardinge <jeremy@goop.org> Cc: Mark McLoughlin <markmc@redhat.com> --- drivers/firmware/dmi_scan.c | 12 ++++++++++++ 1 files changed, 12 insertions(+), 0 deletions(-)
diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c index 4072449..62b6200 100644 --- a/drivers/firmware/dmi_scan.c +++ b/drivers/firmware/dmi_scan.c @@ -117,6 +117,12 @@ static int __init dmi_checksum(const u8 *buf) static char *dmi_ident[DMI_STRING_MAX]; static LIST_HEAD(dmi_devices); int dmi_available; +static int __init setup_disable_dmi(char *str) +{ + dmi_available = -1; + return 0; +} +early_param("nodmi", setup_disable_dmi); /* * Save a DMI string @@ -359,6 +365,12 @@ void __init dmi_scan_machine(void) char __iomem *p, *q; int rc; + if (dmi_available < 0) { + printk(KERN_INFO "DMI disabled.\n"); + dmi_available = 0; + return; + } + if (efi_enabled) { if (efi.smbios == EFI_INVALID_TABLE_ADDR) goto out; -- 1.5.4.2
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