Commit d12337 (rwsem: Remove redundant asmregparm annotation) broke rwsem on UML. As we cannot compile UML with -mregparm=3 and keeping asmregparm only for UML is inadequate the easiest solution is using RWSEM_GENERIC_SPINLOCK.
Thanks to Thomas Gleixner for the idea. Reported-by: Toralf Förster <[email protected]> Tested-by: Toralf Förster <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: <[email protected]> # .39.x Signed-off-by: Richard Weinberger <[email protected]> --- arch/um/Kconfig.x86 | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/um/Kconfig.x86 b/arch/um/Kconfig.x86 index a9da516..795ea8e 100644 --- a/arch/um/Kconfig.x86 +++ b/arch/um/Kconfig.x86 @@ -29,10 +29,10 @@ config X86_64 def_bool 64BIT config RWSEM_XCHGADD_ALGORITHM - def_bool X86_XADD + def_bool X86_XADD && 64BIT config RWSEM_GENERIC_SPINLOCK - def_bool !X86_XADD + def_bool !RWSEM_XCHGADD_ALGORITHM config 3_LEVEL_PGTABLES bool "Three-level pagetables (EXPERIMENTAL)" if !64BIT -- 1.7.4.2 _______________________________________________ stable mailing list [email protected] http://linux.kernel.org/mailman/listinfo/stable
