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Date: Wed, 17 Nov 2010 16:26:59 +0100 From: Arnd Bergmann <arnd@...db.de> To: Linus Torvalds <torvalds@...ux-foundation.org> Cc: linux-kernel@...r.kernel.org, Arnd Bergmann <arnd@...db.de> Subject: [PATCH 7/7] BKL: move CONFIG_BKL to staging Instead of moving the actual code to staging for stuff that depends on CONFIG_BKL, this moves just the configuration option it depends on. As a consequence, the remaining non-staging drivers that use the BKL (i830, appletalk, ipx, x25, adfs, hpfs and ufs) implicitly depend on staging until they get fixed. This sets 2.6.39 as the arbitrary date when we actually remove the option along with its last users. Signed-off-by: Arnd Bergmann <arnd@...db.de> --- drivers/staging/Kconfig | 11 +++++++++++ lib/Kconfig.debug | 9 --------- 2 files changed, 11 insertions(+), 9 deletions(-) diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig index 5eafdf4..5adf537 100644 --- a/drivers/staging/Kconfig +++ b/drivers/staging/Kconfig @@ -41,6 +41,17 @@ config STAGING_EXCLUDE_BUILD if !STAGING_EXCLUDE_BUILD +config BKL + bool "Include drivers that depend on the Big Kernel Lock" if (SMP || PREEMPT) + default !(SMP || PREEMPT) + help + This is the traditional lock that is used in old code instead + of proper locking. All drivers that use the BKL should depend + on this symbol. + A small number of drivers still require this. All drivers that + use the BKL should be changed to a better serialisation method + or they will be removed in 2.6.39. + source "drivers/staging/et131x/Kconfig" source "drivers/staging/slicoss/Kconfig" diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 65aaefd..968d183 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -469,15 +469,6 @@ config DEBUG_MUTEXES This feature allows mutex semantics violations to be detected and reported. -config BKL - bool "Big Kernel Lock" if (SMP || PREEMPT) - default !(SMP || PREEMPT) - help - This is the traditional lock that is used in old code instead - of proper locking. The big kernel lock will go away in 2.6.39, - so all modules that still depend on it need to be changed or - they will be removed as well. - config DEBUG_LOCK_ALLOC bool "Lock debugging: detect incorrect freeing of live locks" depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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