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authorIngo Molnar <mingo@elte.hu>2009-04-14 11:03:12 +0200
committerIngo Molnar <mingo@elte.hu>2009-04-14 11:11:52 +0200
commit27b19565fe4ca5b0e9d2ae98ce4b81ca728bf445 (patch)
tree0efe59361534d3ec8442b322059ec932b612801a /drivers/gpu/drm
parentb21597d0268983f8f9e8b563494f75490403e948 (diff)
lockdep: warn about lockdep disabling after kernel taint, fix
Impact: build fix for Sparc and s390 Stephen Rothwell reported that the Sparc build broke: In file included from kernel/panic.c:12: include/linux/debug_locks.h: In function '__debug_locks_off': include/linux/debug_locks.h:15: error: implicit declaration of function 'xchg' due to: 9eeba61: lockdep: warn about lockdep disabling after kernel taint There is some inconsistency between architectures about where exactly xchg() is defined. The traditional place is in system.h but the more logical point for it is in atomic.h - where most architectures (especially new ones) have it defined. These architecture also still offer it via system.h. Some, such as Sparc or s390 only have it in asm/system.h and not available via asm/atomic.h at all. Use the widest set of headers in debug_locks.h and also include asm/system.h. Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Linus Torvalds <torvalds@linux-foundation.org> LKML-Reference: <20090414144317.026498df.sfr@canb.auug.org.au> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/gpu/drm')
0 files changed, 0 insertions, 0 deletions

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