From: Patrick Talbert <[email protected]> [redhat] powerpc: temporary assembler fix
Powerpc builds are failing with: ~~~ /tmp/cc1zjUTE.s: Assembler messages: /tmp/cc1zjUTE.s:7195: Error: operand out of domain (39 is not a multiple of 4) ~~~ This is a proposed fix from upstream: https://patchwork.kernel.org/project/netdevbpf/patch/[email protected]/ Signed-off-by: Patrick Talbert <[email protected]> diff --git a/arch/powerpc/include/asm/atomic.h b/arch/powerpc/include/asm/atomic.h index blahblah..blahblah 100644 --- a/arch/powerpc/include/asm/atomic.h +++ b/arch/powerpc/include/asm/atomic.h @@ -23,6 +23,12 @@ #define __atomic_release_fence() \ __asm__ __volatile__(PPC_RELEASE_BARRIER "" : : : "memory") +#ifdef CONFIG_CC_IS_CLANG +#define DS_FORM_CONSTRAINT "Z<>" +#else +#define DS_FORM_CONSTRAINT "YZ<>" +#endif + static __inline__ int arch_atomic_read(const atomic_t *v) { int t; @@ -197,7 +203,7 @@ static __inline__ s64 arch_atomic64_read(const atomic64_t *v) if (IS_ENABLED(CONFIG_PPC_KERNEL_PREFIXED)) __asm__ __volatile__("ld %0,0(%1)" : "=r"(t) : "b"(&v->counter)); else - __asm__ __volatile__("ld%U1%X1 %0,%1" : "=r"(t) : "m<>"(v->counter)); + __asm__ __volatile__("ld%U1%X1 %0,%1" : "=r"(t) : DS_FORM_CONSTRAINT (v->counter)); return t; } @@ -208,7 +214,7 @@ static __inline__ void arch_atomic64_set(atomic64_t *v, s64 i) if (IS_ENABLED(CONFIG_PPC_KERNEL_PREFIXED)) __asm__ __volatile__("std %1,0(%2)" : "=m"(v->counter) : "r"(i), "b"(&v->counter)); else - __asm__ __volatile__("std%U0%X0 %1,%0" : "=m<>"(v->counter) : "r"(i)); + __asm__ __volatile__("std%U0%X0 %1,%0" : "=" DS_FORM_CONSTRAINT (v->counter) : "r"(i)); } #define ATOMIC64_OP(op, asm_op) \ -- https://gitlab.com/cki-project/kernel-ark/-/merge_requests/3371 -- _______________________________________________ kernel mailing list -- [email protected] To unsubscribe send an email to [email protected] Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/[email protected] Do not reply to spam, report it: https://pagure.io/fedora-infrastructure/new_issue
