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authorPaul Gortmaker <paul.gortmaker@windriver.com>2013-06-18 17:54:48 -0400
committerPaul Gortmaker <paul.gortmaker@windriver.com>2013-07-14 19:36:55 -0400
commit7ddc839977cf4aa2c643a2f0405aa79daa72dc07 (patch)
tree8404c3400d39571cc13154b990b5382bc469e889 /arch/m32r/kernel/smpboot.c
parentfrv: delete __cpuinit usage from all frv files (diff)
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hexagon: delete __cpuinit usage from all hexagon files
The __cpuinit type of throwaway sections might have made sense some time ago when RAM was more constrained, but now the savings do not offset the cost and complications. For example, the fix in commit 5e427ec2d0 ("x86: Fix bit corruption at CPU resume time") is a good example of the nasty type of bugs that can be created with improper use of the various __init prefixes. After a discussion on LKML[1] it was decided that cpuinit should go the way of devinit and be phased out. Once all the users are gone, we can then finally remove the macros themselves from linux/init.h. Note that some harmless section mismatch warnings may result, since notify_cpu_starting() and cpu_up() are arch independent (kernel/cpu.c) are flagged as __cpuinit -- so if we remove the __cpuinit from arch specific callers, we will also get section mismatch warnings. As an intermediate step, we intend to turn the linux/init.h cpuinit content into no-ops as early as possible, since that will get rid of these warnings. In any case, they are temporary and harmless. This removes all the arch/hexagon uses of the __cpuinit macros from all C files. Currently hexagon does not have any __CPUINIT used in assembly files. [1] https://lkml.org/lkml/2013/5/20/589 Cc: Richard Kuo <rkuo@codeaurora.org> Acked-by: Richard Kuo <rkuo@codeaurora.org> Cc: linux-hexagon@vger.kernel.org Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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