Eric Lee / linux-smarc-t335x-v3.2

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Commit 92946bc72f2e74c3281b7fc12be9704d455fb3ed

Authored by Ben Hutchings
Committed by David Woodhouse
1 parent b2be05273a
Exists in master and in 4 other branches v3.2_AM335xPSP_04.06.00.11, v3.2_NEWT335xPSP_04.06.00.11, v3.2_SBC_SMARTMEN, v3.2_SMARCT335xPSP_04.06.00.11

panic: Add taint flag TAINT_FIRMWARE_WORKAROUND ('I') 

This taint flag will initially be used when warning about invalid ACPI
DMAR tables.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

Showing 3 changed files with 6 additions and 0 deletions Side-by-side Diff

Documentation/oops-tracing.txt
Diff comments   View file @ 92946bc
... ... @@ -260,6 +260,9 @@
260 260  
261 261 11: 'C' if a staging driver has been loaded.
262 262  
  263 + 12: 'I' if the kernel is working around a severe bug in the platform
  264 + firmware (BIOS or similar).
  265 +
263 266 The primary reason for the 'Tainted: ' string is to tell kernel
264 267 debuggers if this is a clean kernel or if anything unusual has
265 268 occurred. Tainting is permanent: even if an offending module is
include/linux/kernel.h
Diff comments   View file @ 92946bc
... ... @@ -344,6 +344,7 @@
344 344 #define TAINT_OVERRIDDEN_ACPI_TABLE 8
345 345 #define TAINT_WARN 9
346 346 #define TAINT_CRAP 10
  347 +#define TAINT_FIRMWARE_WORKAROUND 11
347 348  
348 349 extern void dump_stack(void) __cold;
349 350  
... ... @@ -178,6 +178,7 @@
178 178 { TAINT_OVERRIDDEN_ACPI_TABLE, 'A', ' ' },
179 179 { TAINT_WARN, 'W', ' ' },
180 180 { TAINT_CRAP, 'C', ' ' },
  181 + { TAINT_FIRMWARE_WORKAROUND, 'I', ' ' },
181 182 };
182 183  
183 184 /**
... ... @@ -194,6 +195,7 @@
194 195 * 'A' - ACPI table overridden.
195 196 * 'W' - Taint on warning.
196 197 * 'C' - modules from drivers/staging are loaded.
  198 + * 'I' - Working around severe firmware bug.
197 199 *
198 200 * The string is overwritten by the next call to print_tainted().
199 201 */