From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7863B390F8A; Sat, 28 Feb 2026 17:36:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772300217; cv=none; b=hVE+W/j4lYTkxq2eXBdA4KDE4OTbep/l/HXzwTUHUdNyJlgLDuDfN5WpxmwwyYT8kSDzBUDsGZmMKC6PPHG8zbe+CJd+Wb72MEzmT9tTbbWu99AtnVZjgClIE+kzxlfZzSnkHkB6LJNnEeJPHzdpWc9NZ0EcDj+iDJYvhU6sl38= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772300217; c=relaxed/simple; bh=Neu4bDaMUVs54Z9GAZOfeDqLijsmvrHj6nh6VZAND9E=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=FDu0dHY/Yy6fVieZZLdfk50sTN1L7IgFtY9pIZo4R28RHQ46weo8E5nUk1slHD+zhAYqLX0kXf3vmoao+eO3JcKbHmYbHqRr8B1UuB8umaDMUb0vBH3ROKe2DucaQKxnZCJ2KjEKfNxMjZvIiSgCCsTEgOGx/1/uUmKal4e5Bc0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=KGpcebpf; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="KGpcebpf" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8A04EC19423; Sat, 28 Feb 2026 17:36:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772300217; bh=Neu4bDaMUVs54Z9GAZOfeDqLijsmvrHj6nh6VZAND9E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=KGpcebpfKzDiOtr20YhlM62tvb86EhDN7vG3KQUIrxFio7afBTnNWxCbkxgm0BYNt azBfns4SInjSMAXqESEcwyyq2yE4eDalONUmHVLyiNvcoPRZZE0KQeJqyzNycquw/z F2XrPs44pfxacPtshOkxHshDFq31RkGyH1q4Nn4T8zVgBImCNpQcBliTpG18iBEQ4+ SIFPrTbkjpEMUtOMEEvp7ze1yVeZdsIqj/ee8Y+YqtBC2OMjIYSbLJWzy3siSXzIWc xscRHa2PixGDqRAS6AbcHtPO0/1AqMmkPJhmuzDRIv3yj5kxvNbSyKOIOgtwtcYnzE I+qLinvTLAH8g== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: =?UTF-8?q?Ren=C3=A9=20Rebe?= , Nathan Chancellor , Sasha Levin Subject: [PATCH 6.19 237/844] modpost: Amend ppc64 save/restfpr symnames for -Os build Date: Sat, 28 Feb 2026 12:22:30 -0500 Message-ID: <20260228173244.1509663-238-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260228173244.1509663-1-sashal@kernel.org> References: <20260228173244.1509663-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit From: René Rebe [ Upstream commit 3cd9763ce4ad999d015cf0734e6b968cead95077 ] Building a size optimized ppc64 kernel (-Os), gcc emits more FP save/restore symbols, that the linker generates on demand into the .sfpr section. Explicitly allow-list those in scripts/mod/modpost.c, too. They are needed for the amdgpu in-kernel floating point support. MODPOST Module.symvers ERROR: modpost: "_restfpr_20" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined! ERROR: modpost: "_restfpr_26" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined! ERROR: modpost: "_restfpr_22" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined! ERROR: modpost: "_savegpr1_27" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined! ERROR: modpost: "_savegpr1_25" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined! ERROR: modpost: "_restfpr_28" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined! ERROR: modpost: "_savegpr1_29" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined! ERROR: modpost: "_savefpr_20" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined! ERROR: modpost: "_savefpr_22" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined! ERROR: modpost: "_restfpr_15" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined! WARNING: modpost: suppressed 56 unresolved symbol warnings because there were too many) Signed-off-by: René Rebe Link: https://patch.msgid.link/20251123.131330.407910684435629198.rene@exactco.de Signed-off-by: Nathan Chancellor Signed-off-by: Sasha Levin --- scripts/mod/modpost.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index 755b842f1f9b7..88ad227f87cd1 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -602,6 +602,10 @@ static int ignore_undef_symbol(struct elf_info *info, const char *symname) /* Special register function linked on all modules during final link of .ko */ if (strstarts(symname, "_restgpr0_") || strstarts(symname, "_savegpr0_") || + strstarts(symname, "_restgpr1_") || + strstarts(symname, "_savegpr1_") || + strstarts(symname, "_restfpr_") || + strstarts(symname, "_savefpr_") || strstarts(symname, "_restvr_") || strstarts(symname, "_savevr_") || strcmp(symname, ".TOC.") == 0) -- 2.51.0