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Mon, 03 Jun 2024 06:11:47 -0700 (PDT) X-Google-Smtp-Source: AGHT+IGkHyweoTFv/cdB0aSV2AF1OXm3QrLQ3m7rYETUkuVaK/Z9a/o5CLecbThQqQ+oCX9Sefj88w== X-Received: by 2002:a17:907:9483:b0:a68:f6b7:1fe3 with SMTP id a640c23a62f3a-a68f6b7227emr322307266b.43.1717420307135; Mon, 03 Jun 2024 06:11:47 -0700 (PDT) From: Paolo Bonzini To: qemu-devel@nongnu.org Cc: thuth@redhat.com, cohuck@redhat.com Subject: [PATCH 1/4] update-linux-headers: fix forwarding to asm-generic headers Date: Mon, 3 Jun 2024 15:11:38 +0200 Message-ID: <20240603131141.834241-2-pbonzini@redhat.com> X-Mailer: git-send-email 2.45.1 In-Reply-To: <20240603131141.834241-1-pbonzini@redhat.com> References: <20240603131141.834241-1-pbonzini@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.129.124; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1717420370302100002 Content-Type: text/plain; charset="utf-8" Afer commit 3efc75ad9d9 ("scripts/update-linux-headers.sh: Remove temporary directory inbetween", 2024-05-29), updating linux-headers/ results in errors such as cp: cannot stat '/tmp/tmp.1A1Eejh1UE/headers/include/asm/bitsperlong.h':= No such file or directory because Loongarch does not have an asm/bitsperlong.h file and uses the generic version. Before commit 3efc75ad9d9, the missing file would incorrectly cause stale files to be included in linux-headers/. The files were never committed to qemu.git, but were wrong nevertheless. The build would just use the system version of the files, which is opposite to the idea of importing Linux header files into QEMU's tree. Create forwarding headers, resembling the ones that are generated during a kernel build by scripts/Makefile.asm-generic, if a file is only installed under include/asm-generic/. Signed-off-by: Paolo Bonzini Reviewed-by: Thomas Huth --- scripts/update-linux-headers.sh | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/scripts/update-linux-headers.sh b/scripts/update-linux-headers= .sh index 23afe8c08ad..ae34d18572b 100755 --- a/scripts/update-linux-headers.sh +++ b/scripts/update-linux-headers.sh @@ -118,7 +118,14 @@ for arch in $ARCHLIST; do rm -rf "$output/linux-headers/asm-$arch" mkdir -p "$output/linux-headers/asm-$arch" for header in kvm.h unistd.h bitsperlong.h mman.h; do - cp "$hdrdir/include/asm/$header" "$output/linux-headers/asm-$arch" + if test -f "$hdrdir/include/asm/$header"; then + cp "$hdrdir/include/asm/$header" "$output/linux-headers/asm-$a= rch" + elif test -f "$hdrdir/include/asm-generic/$header"; then + # not installed as , but used as such in ke= rnel sources + cat <$output/linux-headers/asm-$arch/$header +#include +EOF + fi done =20 if [ $arch =3D mips ]; then --=20 2.45.1