diff options
| author | Josh Triplett <[email protected]> | 2014-04-07 15:39:14 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2014-04-07 16:36:10 -0700 |
| commit | b06dd879f5db33c1d7f5ab516ea671627f99c0c9 (patch) | |
| tree | 85ee4edf96b8cdc094104afe8fd0ef204df452cc /include/linux/fpga/fpga-mgr.h | |
| parent | a4b5d580e07875f9be29f62a57c67fbbdbb40ba2 (diff) | |
x86: always define BUG() and HAVE_ARCH_BUG, even with !CONFIG_BUG
This ensures that BUG() always has a definition that causes a trap (via
an undefined instruction), and that the compiler still recognizes the
code following BUG() as unreachable, avoiding warnings that would
otherwise appear (such as on non-void functions that don't return a
value after BUG()).
In addition to saving a few bytes over the generic infinite-loop
implementation, this implementation traps rather than looping, which
potentially allows for better error-recovery behavior (such as by
rebooting).
Signed-off-by: Josh Triplett <[email protected]>
Reported-by: Arnd Bergmann <[email protected]>
Acked-by: Arnd Bergmann <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: "H. Peter Anvin" <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'include/linux/fpga/fpga-mgr.h')
0 files changed, 0 insertions, 0 deletions