[PATCH 7/7] xen/bitops: Delete find_first_set_bit()

From: Andrew Cooper <andrew.cooper3@citrix.com>
To: Xen-devel <xen-devel@lists.xenproject.org>
Cc: "Andrew Cooper" <andrew.cooper3@citrix.com>,
	"Jan Beulich" <JBeulich@suse.com>,
	"Roger Pau Monné" <roger.pau@citrix.com>, "Wei Liu" <wl@xen.org>,
	"Stefano Stabellini" <sstabellini@kernel.org>,
	"Julien Grall" <julien@xen.org>,
	"Volodymyr Babchuk" <Volodymyr_Babchuk@epam.com>,
	"Bertrand Marquis" <bertrand.marquis@arm.com>,
	"Michal Orzel" <michal.orzel@amd.com>,
	"Oleksii Kurochko" <oleksii.kurochko@gmail.com>,
	"Shawn Anastasio" <sanastasio@raptorengineering.com>,
	"consulting @ bugseng . com" <consulting@bugseng.com>,
	"Simone Ballarin" <simone.ballarin@bugseng.com>,
	"Federico Serafini" <federico.serafini@bugseng.com>,
	"Nicola Vetrini" <nicola.vetrini@bugseng.com>
Subject: [PATCH 7/7] xen/bitops: Delete find_first_set_bit()
Date: Wed, 13 Mar 2024 17:27:16 +0000	[thread overview]
Message-ID: <20240313172716.2325427-8-andrew.cooper3@citrix.com> (raw)
In-Reply-To: <20240313172716.2325427-1-andrew.cooper3@citrix.com>

No more users.

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>
---
 xen/arch/arm/include/asm/bitops.h | 12 ------------
 xen/arch/ppc/include/asm/bitops.h |  9 ---------
 xen/arch/x86/include/asm/bitops.h | 12 ------------
 3 files changed, 33 deletions(-)

diff --git a/xen/arch/arm/include/asm/bitops.h b/xen/arch/arm/include/asm/bitops.h
index 59ae8ed150b6..5104334e4874 100644
--- a/xen/arch/arm/include/asm/bitops.h
+++ b/xen/arch/arm/include/asm/bitops.h
@@ -160,18 +160,6 @@ static inline int fls(unsigned int x)
 #define arch_ffs(x) ({ unsigned int __t = (x); fls(ISOLATE_LSB(__t)); })
 #define arch_ffsl(x) ({ unsigned long __t = (x); flsl(ISOLATE_LSB(__t)); })
 
-/**
- * find_first_set_bit - find the first set bit in @word
- * @word: the word to search
- *
- * 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;
-}
-
 /**
  * hweightN - returns the hamming weight of a N-bit word
  * @x: the word to weigh
diff --git a/xen/arch/ppc/include/asm/bitops.h b/xen/arch/ppc/include/asm/bitops.h
index ecec2a826660..989d341a44c7 100644
--- a/xen/arch/ppc/include/asm/bitops.h
+++ b/xen/arch/ppc/include/asm/bitops.h
@@ -206,13 +206,4 @@ static always_inline unsigned long __ffs(unsigned long word)
     return __builtin_ctzl(word);
 }
 
-/**
- * find_first_set_bit - find the first set bit in @word
- * @word: the word to search
- *
- * Returns the bit-number of the first set bit (first bit being 0).
- * The input must *not* be zero.
- */
-#define find_first_set_bit(x) (ffsl(x) - 1)
-
 #endif /* _ASM_PPC_BITOPS_H */
diff --git a/xen/arch/x86/include/asm/bitops.h b/xen/arch/x86/include/asm/bitops.h
index 99342877e32f..2835bb6814d5 100644
--- a/xen/arch/x86/include/asm/bitops.h
+++ b/xen/arch/x86/include/asm/bitops.h
@@ -401,18 +401,6 @@ static always_inline unsigned int __scanbit(unsigned long val, unsigned int max)
     r__;                                                                    \
 })
 
-/**
- * find_first_set_bit - find the first set bit in @word
- * @word: the word to search
- * 
- * Returns the bit-number of the first set bit. The input must *not* be zero.
- */
-static inline unsigned int find_first_set_bit(unsigned long word)
-{
-    asm ( "rep; bsf %1,%0" : "=r" (word) : "rm" (word) );
-    return (unsigned int)word;
-}
-
 static inline unsigned int arch_ffs(unsigned int x)
 {
     int r = -1;
-- 
2.30.2


