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 09FA8340A59 for ; Sat, 28 Feb 2026 17:51:01 +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=1772301061; cv=none; b=MDK1WYUzJMDSzRMGBaP+SFQo8g7b5Tr4Ng62cY6Bb/8h9JS5hr9I61b1wZOfEgOD2RdsohSv7yPG5+kgxKhx5yQRwAwlZ0YR98TsyvZzc0IokoX9WXoc3Ks/kzG4dAEyBpfY1sDtWGZPA7cyhfj2gTiw/t8qGAmzLH/Zk0K6V9E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772301061; c=relaxed/simple; bh=rMUKUdWUcPbxLck9uhMrYsO565EP6ZZSL3ZtvQrKu10=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=KleabG0K4Aj+RoZ2ahtAcDRnTL4XVLJHbPG45k8tTE6lEqMIg48aJTjHeumiXmFROgiMSyKX2eHQ3a3XNcvZTcdV0uKK0zTS//DjSU/NlILyQjcYD6lojCUqeE8wY55iBVpS+MWokqfEtkqYKTs/GIcEJQeafSjbPcV+pnYAJUs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=dktGsRgD; 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="dktGsRgD" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6F1C5C19423; Sat, 28 Feb 2026 17:51:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772301060; bh=rMUKUdWUcPbxLck9uhMrYsO565EP6ZZSL3ZtvQrKu10=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=dktGsRgDVAJXSggBmt8S4XHyrN0UiMvl3RlqJTz2XFFeT2TWyIGadeftltt/UPvSY /6LtYElbm2bqI1zDHH6AwBDbWMvRtXa4p7sze7g4VaFZN0vgCdocvBMhzYQ+91hbiB Ryh4YNtADuE1Smk0aUu+KQeXtNgNFPlT1g8MfKJyyLQqVvlhVWrBJRCJCRrTRfscNz +BNk5kDCYHguSngeS7OU9OaXXbGGIP6Tr8V+9UEaY0nvVH05c+NHLFafvWLDWL9MvM Mp5Jxf8YzEEYiRU3ZHidTrkwW8ah883KUcy22puVeWf63Y5iq/xEhxooYV5gQ7LuHV f29KYhdxS+seA== From: Sasha Levin To: patches@lists.linux.dev Cc: =?UTF-8?q?Ren=C3=A9=20Rebe?= , Nathan Chancellor , Sasha Levin Subject: [PATCH 6.18 203/752] modpost: Amend ppc64 save/restfpr symnames for -Os build Date: Sat, 28 Feb 2026 12:38:34 -0500 Message-ID: <20260228174750.1542406-203-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260228174750.1542406-1-sashal@kernel.org> References: <20260228174750.1542406-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: patches@lists.linux.dev 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 47c8aa2a69392..133dfa16308a3 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