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ACPI: Taint kernel on ACPI table override (format corrected)

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When an ACPI table is overridden (for now this can happen only for DSDT)
display a big warning and taint the kernel with flag A.

Signed-off-by: Eric Piel <[email protected]>
Signed-off-by: Len Brown <[email protected]>
This commit is contained in:
Éric Piel 2008-02-05 00:04:50 +01:00 • committed by Len Brown
commit 6ed31e92e9
3 changed files with 11 additions and 2 deletions
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7
drivers/acpi/osl.c
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@ -392,6 +392,13 @@ acpi_os_table_override(struct acpi_table_header * existing_table,
*new_table = initrd_table;
}
#endif
if (*new_table != NULL) {
printk(KERN_WARNING PREFIX "Override [%4.4s-%8.8s], "
"this is unsafe: tainting kernel\n",
existing_table->signature,
existing_table->oem_table_id);
add_taint(TAINT_OVERRIDDEN_ACPI_TABLE);
}
return AE_OK;
}