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From: "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>
To: kvmarm@lists.linux.dev
Cc: "Aneesh Kumar K.V (Arm)" <aneesh.kumar@kernel.org>,
	Marc Zyngier <maz@kernel.org>,
	Oliver Upton <oliver.upton@linux.dev>,
	Joey Gouly <joey.gouly@arm.com>,
	Suzuki K Poulose <suzuki.poulose@arm.com>,
	Zenghui Yu <yuzenghui@huawei.com>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>
Subject: [PATCH] KVM: arm64: nvhe: Fix build failure with gcc
Date: Tue, 10 Jun 2025 20:41:32 +0530	[thread overview]
Message-ID: <20250610151132.1758206-1-aneesh.kumar@kernel.org> (raw)

Address a build failure encountered with aarch64-linux-gnu-gcc version
13.3.0 (Ubuntu 13.3.0-6ubuntu2~24.04)

/usr/bin/aarch64-linux-gnu-ld: arch/arm64/kvm/hyp/nvhe/kvm_nvhe.o: in function `__clock_mult_uint128':
/linux/work/arch/arm64/kvm/hyp/nvhe/clock.c:27:(.hyp.text+0x120d8): undefined reference to `__kvm_nvhe___lshrti3'
/linux/work/arch/arm64/kvm/hyp/nvhe/clock.c:27:(.hyp.text+0x120d8): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol `__kvm_nvhe___lshrti3'

Similar to commit 9bfe7553fadb ("arm64: Implement __lshrti3 library function"),
this change use the added helper.

Cc: Marc Zyngier <maz@kernel.org>
Cc: Oliver Upton <oliver.upton@linux.dev>
Cc: Joey Gouly <joey.gouly@arm.com>
Cc: Suzuki K Poulose <suzuki.poulose@arm.com>
Cc: Zenghui Yu <yuzenghui@huawei.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>

Suggested-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Aneesh Kumar K.V (Arm) <aneesh.kumar@kernel.org>
---
 arch/arm64/kvm/hyp/nvhe/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/kvm/hyp/nvhe/Makefile b/arch/arm64/kvm/hyp/nvhe/Makefile
index a76522d63c3e..3dd2c780bbfc 100644
--- a/arch/arm64/kvm/hyp/nvhe/Makefile
+++ b/arch/arm64/kvm/hyp/nvhe/Makefile
@@ -17,7 +17,7 @@ ccflags-y += -fno-stack-protector	\
 hostprogs := gen-hyprel
 HOST_EXTRACFLAGS += -I$(objtree)/include
 
-lib-objs := clear_page.o copy_page.o memcpy.o memset.o
+lib-objs := clear_page.o copy_page.o memcpy.o memset.o tishift.o
 lib-objs := $(addprefix ../../../lib/, $(lib-objs))
 
 CFLAGS_switch.nvhe.o += -Wno-override-init
-- 
2.43.0


             reply	other threads:[~2025-06-10 15:11 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-06-10 15:11 Aneesh Kumar K.V (Arm) [this message]
2025-06-10 15:17 ` [PATCH] KVM: arm64: nvhe: Fix build failure with gcc Aneesh Kumar K.V
2025-06-10 15:31 ` Marc Zyngier
2025-06-10 15:48   ` Vincent Donnefort

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