From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 C79F43DC4B8 for ; Sun, 20 Sep 2026 09:59:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789898367; cv=none; b=pMefjKEr7MACZlT9nEZ10Ya340ZcjslYHGtCBa7J8ciUfDpz4o+PWzVGqfZ5rQhiVwll6GNF3MBYCw3gbqYyVfEaTLAaN1GSBwVH4O4iFy1/8Srf92RkRuJ/egD7QBFQObbBdTeIyWkVP2JP1JmAwK9KIQVtA75erBzeK32xD9k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789898367; c=relaxed/simple; bh=ZFNBDABJRO6JWa4olUfIapDxkuge4CcJgYicSgLWpGU=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=tCZHyb9Dl7ivuhM/GznlwFSrvsgVM/RMnCetGP/iALlgB3Ao2wr5zfMefReiZmoiw2ysir/YSdxwx6hIYMuOv6xLwUmJr2MasgrPLuSzymROgTk93QWFXIUW7GBh7jJ1KpXDVVCMFRQ9OyM1zD162YwlJ5GRra/ycBt0WsP7qbM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=azezaMqx; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="azezaMqx" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1580A1F000FF; Sun, 20 Sep 2026 09:59:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789898366; bh=25KWYzuxAInrQX9ER/ay9H3W4gfHO2tjs8JLkfc4F+0=; h=Date:From:To:Cc:Subject; b=azezaMqx9KkQnG+b4pNmIw3zCN+DdWdqJUsG5Dh2uRorAGBEfCR/LUKJ0J3/TcCwZ voXx1AZJhWFeXuOk/TitKXbEwgy+njcBJGD5NEdxW5b4yHbZDB4wm04S9MialQYas6 qvcqFtTUTeeGiJ7Z/s48XmQlDhqgAqb6JM6JzPqw7nolmcN7MmGh5GukQ5FwpoM8iG XLjdw8Apo7E9rKIN+2XtDtXgVVmf+MEM44WLBK+qpm5oZC8Ml859hqs1SNUql3kyvD DFBtI1Yhvzb1Ac6iS0wd0UMCp4It/8vXVSVOMyN3QYSWaXswN5P3A73rF+cviMltyA e6UkaQ43E4gVQ== Date: Sun, 20 Sep 2026 11:59:22 +0200 From: Ingo Molnar To: Linus Torvalds Cc: linux-kernel@vger.kernel.org, the arch/x86 maintainers , Peter Zijlstra , "H. Peter Anvin" Subject: [GIT PULL] x86 fixes Message-ID: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Linus, Please pull the latest x86/urgent Git tree from: git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86-urgent-2026-09-20 for you to fetch changes up to 63edf5a009ae366369a1b484cd9ae4ee7c51946c: x86 fixes: - Reject the loading of a potentially problematic microcode version on Intel Granite Rapids systems (Chang S. Bae) - On FRED, reconstruct the proper #GP context for rejected INT instructions, to fix a signal ABI regression (Matthew Schwartz) - Add a test for this signal ABI regression the x86 self-test suite (Matthew Schwartz) - Don't emit the new and not yet properly supported EGPR instructions (%r16-%r31) on CONFIG_X86_NATIVE_CPU=y builds (Chang S. Bae) Thanks, Ingo ------------------> Chang S. Bae (2): x86/microcode/intel: Reject problematic loading on Granite Rapids systems x86/build/64: Prevent native builds from generating EGPR use Matthew Schwartz (2): x86/fred: Reconstruct the #GP context for rejected INT instructions selftests/x86: Check signal state for rejected software interrupts arch/x86/Kconfig.cpu | 11 ++ arch/x86/Makefile | 5 + arch/x86/entry/entry_fred.c | 11 +- arch/x86/kernel/cpu/microcode/intel.c | 26 +++ scripts/generate_rust_target.rs | 5 + tools/testing/selftests/x86/Makefile | 2 +- tools/testing/selftests/x86/int_signal.c | 311 +++++++++++++++++++++++++++++++ 7 files changed, 369 insertions(+), 2 deletions(-) create mode 100644 tools/testing/selftests/x86/int_signal.c