From: Alistair Francis <Alistair.Francis@wdc.com>
To: "alex.bennee@linaro.org" <alex.bennee@linaro.org>,
"daniel.barboza@oss.qualcomm.com"
<daniel.barboza@oss.qualcomm.com>,
"pbonzini@redhat.com" <pbonzini@redhat.com>,
"joel@jms.id.au" <joel@jms.id.au>
Cc: "npiggin@gmail.com" <npiggin@gmail.com>,
"mpe@kernel.org" <mpe@kernel.org>,
"portias@oss.tenstorrent.com" <portias@oss.tenstorrent.com>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
"qemu-arm@nongnu.org" <qemu-arm@nongnu.org>,
"peter.maydell@linaro.org" <peter.maydell@linaro.org>,
"chao.liu@processmission.com" <chao.liu@processmission.com>,
"asrinivasan@oss.tenstorrent.com"
<asrinivasan@oss.tenstorrent.com>,
"qemu-riscv@nongnu.org" <qemu-riscv@nongnu.org>,
"zhiwei_liu@linux.alibaba.com" <zhiwei_liu@linux.alibaba.com>,
"liwei1518@gmail.com" <liwei1518@gmail.com>
Subject: Re: [PATCH 08/12] tests/tcg/aarch64: Don't leak memory-sve CFLAGS
Date: Tue, 22 Sep 2026 05:39:37 +0000 [thread overview]
Message-ID: <2dbbffe16851e7ab4e511f904267674f430efd9e.camel@wdc.com> (raw)
In-Reply-To: <20260827050953.67184-9-joel@jms.id.au>
On Thu, 2026-08-27 at 14:39 +0930, Joel Stanley wrote:
> The CFLAGS are added to prerequisites, so if memory-sve causes a
> build
> of printf.o and boot.o, they will be compiled with -march=armv8.1-
> a+sve
> -O3, and the executables that link printf.o and boot.o after that
> will
> also get SVE instructions.
>
> https://www.gnu.org/software/make/manual/html_node/Suppressing-Inheritance.html
>
> By marking the rule 'private' printf.o and boot.o won't be built with
> SVE, which avoids SVE for other binaries, and is okay for the memory-
> sve
> case.
>
> Signed-off-by: Joel Stanley <joel@jms.id.au>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Alistair
> ---
> tests/tcg/aarch64/Makefile.softmmu-target | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tests/tcg/aarch64/Makefile.softmmu-target
> b/tests/tcg/aarch64/Makefile.softmmu-target
> index 3f30be6c5d63..196a2afa50ee 100644
> --- a/tests/tcg/aarch64/Makefile.softmmu-target
> +++ b/tests/tcg/aarch64/Makefile.softmmu-target
> @@ -51,7 +51,7 @@ memory: CFLAGS+=-DCHECK_UNALIGNED=1
> memory-sve: memory.c $(LINK_SCRIPT) $(CRT_OBJS) $(MINILIB_OBJS)
> $(CC) $(CFLAGS) $(EXTRA_CFLAGS) $< -o $@ $(LDFLAGS) boot.o
>
> -memory-sve: CFLAGS+=-DCHECK_UNALIGNED=1 -march=armv8.1-a+sve -O3
> +memory-sve: private CFLAGS+=-DCHECK_UNALIGNED=1 -march=armv8.1-a+sve
> -O3
>
> gpc-test: gpc-test.c $(LINK_SCRIPT) vector_log_boot.o
> $(MINILIB_OBJS)
> $(CC) $(CFLAGS) $(EXTRA_CFLAGS) $< -o $@ $(LDFLAGS)
> vector_log_boot.o
next prev parent reply other threads:[~2026-09-22 5:40 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-27 5:09 [PATCH 00/12] tests/tcg: Multiarch tests for riscv64 Joel Stanley
2026-08-27 5:09 ` [PATCH 01/12] tests/tcg/riscv64: Include stdint.h in semicall.h Joel Stanley
2026-08-31 1:07 ` Alistair Francis
2026-08-27 5:09 ` [PATCH 02/12] tests/tcg/riscv64: Clean up semicall.h inline asm Joel Stanley
2026-08-31 1:09 ` Alistair Francis
2026-08-27 5:09 ` [PATCH 03/12] tests/tcg/riscv64: Boot semihost tests with -bios none -kernel Joel Stanley
2026-08-31 1:10 ` Alistair Francis
2026-08-27 5:09 ` [PATCH 04/12] tests/tcg/riscv64: Update semihosting linker script Joel Stanley
2026-08-31 1:14 ` Alistair Francis
2026-08-27 5:09 ` [PATCH 05/12] tests/tcg/riscv64: Rework rules for semihost tests Joel Stanley
2026-08-31 1:17 ` Alistair Francis
2026-08-27 5:09 ` [PATCH 06/12] tests/tcg/riscv64: Enable multiarch system tests Joel Stanley
2026-08-31 1:20 ` Alistair Francis
2026-08-27 5:09 ` [PATCH 07/12] tests/tcg/riscv64: Enable memory record and replay test Joel Stanley
2026-08-31 1:21 ` Alistair Francis
2026-08-27 5:09 ` [PATCH 08/12] tests/tcg/aarch64: Don't leak memory-sve CFLAGS Joel Stanley
2026-09-22 5:39 ` Alistair Francis [this message]
2026-09-22 7:17 ` Alex Bennée
2026-08-27 5:09 ` [PATCH 09/12] tests/tcg/multiarch: Fix vectorisation of memory test Joel Stanley
2026-08-31 1:24 ` Alistair Francis
2026-09-01 10:06 ` Alex Bennée
2026-08-27 5:09 ` [PATCH 10/12] tests/tcg/riscv64: Enable vectorised " Joel Stanley
2026-08-31 1:25 ` Alistair Francis
2026-08-27 5:09 ` [PATCH 11/12] configure: Provide OBJDUMP to the tcg tests Joel Stanley
2026-08-31 1:25 ` Alistair Francis
2026-08-27 5:09 ` [PATCH 12/12] tests/tcg: Check vector memory tests contain vector ops Joel Stanley
2026-08-31 1:26 ` Alistair Francis
2026-09-22 9:50 ` [PATCH 00/12] tests/tcg: Multiarch tests for riscv64 Alistair Francis
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