| Message ID | 20240524200338.1232391-4-andrew.cooper3@citrix.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | xen/bitops: Untangle ffs()/fls() infrastructure | expand |
On Fri, 24 May 2024, Andrew Cooper wrote: > This is in order to maintain bisectability through the subsequent changes, as > the order of definitions is altered. > > Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com> Acked-by: Stefano Stabellini <sstabellini@kernel.org>
diff --git a/xen/arch/arm/include/asm/bitops.h b/xen/arch/arm/include/asm/bitops.h index ab030b6cb032..199252201291 100644 --- a/xen/arch/arm/include/asm/bitops.h +++ b/xen/arch/arm/include/asm/bitops.h @@ -167,10 +167,7 @@ static inline int fls(unsigned int x) * Returns the bit-number of the first set bit (first bit being 0). * The input must *not* be zero. */ -static inline unsigned int find_first_set_bit(unsigned long word) -{ - return ffsl(word) - 1; -} +#define find_first_set_bit(w) (ffsl(w) - 1) /** * hweightN - returns the hamming weight of a N-bit word
This is in order to maintain bisectability through the subsequent changes, as the order of definitions is altered. Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com> --- CC: Jan Beulich <JBeulich@suse.com> CC: Roger Pau Monné <roger.pau@citrix.com> CC: Wei Liu <wl@xen.org> CC: Stefano Stabellini <sstabellini@kernel.org> CC: Julien Grall <julien@xen.org> CC: Volodymyr Babchuk <Volodymyr_Babchuk@epam.com> CC: Bertrand Marquis <bertrand.marquis@arm.com> CC: Michal Orzel <michal.orzel@amd.com> CC: Oleksii Kurochko <oleksii.kurochko@gmail.com> CC: Shawn Anastasio <sanastasio@raptorengineering.com> CC: consulting@bugseng.com <consulting@bugseng.com> CC: Simone Ballarin <simone.ballarin@bugseng.com> CC: Federico Serafini <federico.serafini@bugseng.com> CC: Nicola Vetrini <nicola.vetrini@bugseng.com> v2: * New --- xen/arch/arm/include/asm/bitops.h | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-)