From nobody Thu Apr 2 01:46:16 2026 Received: from mail-pl1-f172.google.com (mail-pl1-f172.google.com [209.85.214.172]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 057F037D12A for ; Sun, 29 Mar 2026 16:03:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.172 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774800198; cv=none; b=kbowww1jocOwiwK59Ie9E1LXCXWnp3izhGHxdbsgAEWXgme3K/SMg6J2WZrnMtkedIXTbzzY5UPMWBsaHAoha1wClnjx2AWVMOPn6ZT0c+Vgf9Oqin7JKdT+kmVAnHvwEXFzylTjyOmVehf/4dAVP/NC9jiVgI6IeRDGVSu4ISw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774800198; c=relaxed/simple; bh=rqr00ROJ95wA+SlzKHac8dzpku2iyfKmIncU+/cy7Fc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=VRp1zrAAXMgCX+1RI13rqgD45+jy8OF3y3jnJ778zjHSjqEMuc8uhjfvAXzrL4DeKmmV5UNTM5hE3HmTsmfzFJ6d2OLnc3UoyKe979ydNgxbMjj/8aTYsCdhu5ZF8nYqwHiF23wK7OOQN8uZ6hz3uzRvjEptJYGXHN2xTU+ujrc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=tBF7vxKc; arc=none smtp.client-ip=209.85.214.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="tBF7vxKc" Received: by mail-pl1-f172.google.com with SMTP id d9443c01a7336-2aaf59c4f7cso15012645ad.1 for ; Sun, 29 Mar 2026 09:03:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1774800196; x=1775404996; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=uFobi584Ko0XKuKylhtkyLR5aYVs05x6vhchjMWGRW0=; b=tBF7vxKcg1R9GnmuKIV1mxQeTdFB9xCzVPWwPKrx5eVXHSB/+J+xla3zB+m6qBL01a q9kLbx6n16ZvmL3wcvusbprh1/G3QLHELlYaw5JGmMsc9z+wOuSmjY1JQ+lorEe80HfS wV2RZQFVkW3MTLrynOM4hsjsyrhf7p2WvaMyyrPm5jZb0mMe90y/XkB93ibSFUjTClJP TH3nqnZOwIm5enz9wnrdn+SPfcQH6VaKy6RmNLAFEpPe1baMLN7+2bqmNJyijy0YAqFo k9rNuEXTH6kOeMyZ2ikecWh7SQ0inNqJf/G8GpFvLLsHupG+ftAzu3DcplYtTYBACgdV 2JSg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1774800196; x=1775404996; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=uFobi584Ko0XKuKylhtkyLR5aYVs05x6vhchjMWGRW0=; b=rdOzZn3CS0XxqsBdPUrfIG3TvtJqWd9P8yQ7iN6RPTzg9Ussa1dNYmhJccNQSjouI8 zqFFnSo6T0ln4o+EkfwhEqQvYRoii6bxJ3y+kLfUiMLTsjiRFvIvnTmsZaj2yWOff7mj 2yKUKEB6pdZOBg2kx6NkP9YYHLqz59D2PVBjUE6MXh8taRyH4SxvVqcFsAPA5JupNocb 942UgjEN6v0/3JpxJCyzsQNhzqnDJTWFJvSwJcAX9nJrAnn5SG0LrLHiaMQg5r3+b790 1L848YYP3eGT16xS0DCpiTo/OmwUdY5NSrexbSIYbXheHLNDL140GlB+rqvl1/wiqcUg henQ== X-Forwarded-Encrypted: i=1; AJvYcCXjCpFzZPwr/fOceMkurn7tww2co3h/PZFPqaG+B3hyUnGcZ56PeVj8yZJJc/TF3JrkcQYehp2WUprAYHc=@vger.kernel.org X-Gm-Message-State: AOJu0YxLfQWN9HpIPgGz446PECEGYb1sU2HTGnkGi/AafrCZtE5mK/ni YULDD6S8eNTN8MQhfhGlWnj++s/We4M0lEGmU6c75pTpaJMbqoEbUQTy X-Gm-Gg: ATEYQzyPF7+njvsdaIh1jvmgefeaAD+G5RO5wConhHSLEW3OuDIJBvfXyv8mEQFyNIg Zegt62zJPyhfGKsv8ksMLdXzVtw0dIDnDqtbo431VvO2FIZMe1YBvY1C4VtfJMB9G8d4h/ybz+Y mAfmGuS87Fl6m/+wp4q+bDkOQmIIb3EysFPDn2phhqbmrj/CPRz3Cbm74N6NEEfmC7naef9f65y 1nvskRtp+d+bedxYkJH56Ti98NXACvmimKQ+TrtnVNCQeulgOT0PBoknPHJkWw2P0stkWEHDima ws/fUcouHa9XPep7MdxfOYjEQ/Ly5BO3musDCAJhefRlIJ8tncw3beyElbEqLwW8r5IMi0vELmV qFYFb7i16fkiczGbJO4ORTMTlo9LR0F3LZQ0A6NCHwfLwhG1b8M6DQBWcxP6SxAPxVaC1ZDht4P n5GZUUl3Vhr7cS31ZuEKmRK0B2R0uRhFGYlpuOCJOIUgyA8CluCKn67HhVxvNGnYAOulja0y59H Tk= X-Received: by 2002:a17:902:e802:b0:2ae:b991:a46f with SMTP id d9443c01a7336-2b0cdd1a6b4mr106203235ad.42.1774800196182; Sun, 29 Mar 2026 09:03:16 -0700 (PDT) Received: from li-1a3e774c-28e4-11b2-a85c-acc9f2883e29.ibm.com.com ([106.51.160.14]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2b2427c176fsm52521175ad.77.2026.03.29.09.03.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 29 Mar 2026 09:03:15 -0700 (PDT) From: "Mukesh Kumar Chaurasiya (IBM)" To: maddy@linux.ibm.com, mpe@ellerman.id.au, npiggin@gmail.com, chleroy@kernel.org, peterz@infradead.org, jpoimboe@kernel.org, jbaron@akamai.com, aliceryhl@google.com, rostedt@goodmis.org, ardb@kernel.org, ojeda@kernel.org, boqun@kernel.org, gary@garyguo.net, bjorn3_gh@protonmail.com, lossin@kernel.org, a.hindborg@kernel.org, tmgross@umich.edu, dakr@kernel.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, rust-for-linux@vger.kernel.org Cc: "Mukesh Kumar Chaurasiya (IBM)" Subject: [PATCH V7 1/4] rust: Fix a race condition in Makefile Date: Sun, 29 Mar 2026 21:32:51 +0530 Message-ID: <20260329160254.2592207-2-mkchauras@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260329160254.2592207-1-mkchauras@gmail.com> References: <20260329160254.2592207-1-mkchauras@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" When compiling with -j1 flag in powerpc, the libproc_macro finds the libcore.rmeta both in toolchain and local rust directory. libproc_macro should use the toolchain provided libcore.rmeta. So for this, make libproc_macro2 libquote and libsyn dependent on core.o so that libcore.rmeta is generated after these 3 files are done compiling. Signed-off-by: Mukesh Kumar Chaurasiya (IBM) --- rust/Makefile | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/rust/Makefile b/rust/Makefile index 9801af2e1e02..8e62f6fcf94f 100644 --- a/rust/Makefile +++ b/rust/Makefile @@ -650,7 +650,8 @@ $(obj)/core.o: private skip_flags =3D $(core-skip_flags) $(obj)/core.o: private rustc_objcopy =3D $(foreach sym,$(redirect-intrinsi= cs),--redefine-sym $(sym)=3D__rust$(sym)) $(obj)/core.o: private rustc_target_flags =3D $(core-flags) $(obj)/core.o: $(RUST_LIB_SRC)/core/src/lib.rs \ - $(wildcard $(objtree)/include/config/RUSTC_VERSION_TEXT) FORCE + $(wildcard $(objtree)/include/config/RUSTC_VERSION_TEXT) FORCE \ + | $(obj)/libproc_macro2.rlib $(obj)/libquote.rlib $(obj)/libsyn.rlib F= ORCE +$(call if_changed_rule,rustc_library) ifneq ($(or $(CONFIG_X86_64),$(CONFIG_X86_32)),) $(obj)/core.o: scripts/target.json --=20 2.53.0