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Oleksii Kurochko
ba0d1a7ced
find-next-bit.c is common for Arm64, PPC and RISCV64, so it is moved to xen/lib. PPC has been transitioned to generic functions from find-next-bit.c since it now shares the same implementation as the PPC-specific code. The MISRA exclude list has been updated to verify lib/find-next-bit.c instead of Arm's find_next_bit.c, as Arm's find_next_bit.c has been relocated to xen/lib/. Despite CONFIG_GENERIC_FIND_FIRST_BIT not currently being used in Xen and being removed from the Linux kernel [1], it could theoretically prove useful for Xen. This is because the Linux kernel transitioned Arm to the generic version of find_first_bit() and find_first_zero_bit() due to improvements [1] in both performance and .text size. It would be prudent to investigate whether [1] is applicable to Xen as well and, if so, implement the necessary changes in a separate patch. [1] https://lore.kernel.org/linux-arch/20211005054059.475634-5-yury.norov@gmail.com/ Suggested-by: Jan Beulich <jbeulich@suse.com> Signed-off-by: Oleksii Kurochko <oleksii.kurochko@gmail.com> Reviewed-by: Jan Beulich <jbeulich@suse.com> Acked-by: Shawn Anastasio <sanastasio@raptorengineering.com> Reviewed-by: Julien Grall <jgrall@amazon.com>
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