Commit bcea4f7a authored by Christophe Leroy's avatar Christophe Leroy Committed by Michael Ellerman
Browse files

xtensa: Remove 64 bits atomic builtins stubs 



The stubs were provided by commit 725aea87 ("xtensa: enable KCSAN")
to make linker happy allthought they are not meant to be used at all.

KCSAN core has been fixed to not require them anymore on
32 bits architectures.

Then they can be removed.

Signed-off-by: default avatarChristophe Leroy <christophe.leroy@csgroup.eu>
Acked-by: default avatarMax Filippov <jcmvbkbc@gmail.com>
Acked-by: default avatarMarco Elver <elver@google.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/a6834980e58c5e2cdf25b3db061f34975de46437.1683892665.git.christophe.leroy@csgroup.eu
parent 95567f46

arch/xtensa/lib/Makefile

+0 −2
Original line number Diff line number Diff line
@@ -8,5 +8,3 @@ lib-y += memcopy.o memset.o checksum.o \ 
	   divsi3.o udivsi3.o modsi3.o umodsi3.o mulsi3.o umulsidi3.o \

	   usercopy.o strncpy_user.o strnlen_user.o

lib-$(CONFIG_PCI) += pci-auto.o
 
lib-$(CONFIG_KCSAN) += kcsan-stubs.o

KCSAN_SANITIZE_kcsan-stubs.o := n

arch/xtensa/lib/kcsan-stubs.c

deleted100644 → 0
+0 −54
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0



#include <linux/bug.h>

#include <linux/types.h>



void __atomic_store_8(volatile void *p, u64 v, int i)

{

	BUG();

}



u64 __atomic_load_8(const volatile void *p, int i)

{

	BUG();

}



u64 __atomic_exchange_8(volatile void *p, u64 v, int i)

{

	BUG();

}



bool __atomic_compare_exchange_8(volatile void *p1, void *p2, u64 v, bool b, int i1, int i2)

{

	BUG();

}



u64 __atomic_fetch_add_8(volatile void *p, u64 v, int i)

{

	BUG();

}



u64 __atomic_fetch_sub_8(volatile void *p, u64 v, int i)

{

	BUG();

}



u64 __atomic_fetch_and_8(volatile void *p, u64 v, int i)

{

	BUG();

}



u64 __atomic_fetch_or_8(volatile void *p, u64 v, int i)

{

	BUG();

}



u64 __atomic_fetch_xor_8(volatile void *p, u64 v, int i)

{

	BUG();

}



u64 __atomic_fetch_nand_8(volatile void *p, u64 v, int i)

{

	BUG();

}