From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ej1-f74.google.com (mail-ej1-f74.google.com [209.85.218.74]) (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 846E037A48D for ; Mon, 22 Jun 2026 11:12:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.218.74 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782126740; cv=none; b=Z56xcn7ByREHTZi45czMx3C/45JZCfl+dOoIkp9Gw72W8VcGFZBuiEoa27UO4eCB/sK2S8KLkT3LCr32cUeA/fib9WRJjDHduXe1RTve+ZTDj5XFP2aXGs3KRHsBmMEtP4y0gSlHzlHgNyFEdfH9qC78E0UqsRMM0AWIFouBupo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782126740; c=relaxed/simple; bh=AyZv6UegZPeWzx169J7i15lHXSYQrDWTsziCiEJXy28=; h=Date:Mime-Version:Message-ID:Subject:From:To:Cc:Content-Type; b=INluGI0MYRbjkRquvAkItkm7WBfFmreRXf6TzRflpfvaGtMng3NcDE4JOz3UaoMsBo9odgjy9VGsy323VJvCql8XoC08gciwaxRuYLz16WPtCo+azrbJPJ484L3+4OkE47n5qZX4Sv65WyUatpxYzUbRzo4weUYoSU4WFCzOObc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--tarunsahu.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=KH5Ua/vQ; arc=none smtp.client-ip=209.85.218.74 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--tarunsahu.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="KH5Ua/vQ" Received: by mail-ej1-f74.google.com with SMTP id a640c23a62f3a-c0cf538efe1so120196566b.2 for ; Mon, 22 Jun 2026 04:12:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1782126738; x=1782731538; darn=vger.kernel.org; h=cc:to:from:subject:message-id:mime-version:date:from:to:cc:subject :date:message-id:reply-to; bh=m10nbWcXsn2fy3EJyAc5wf96aflhFz5y+USLpvcgRX8=; b=KH5Ua/vQdETjvHazDW4gbGD+rACO6eC0e0d4UhjCp02p8Ng+N04siPq6eAfksdCR49 9joX1SjFfAdryPqbboDe9vigDIijiP8YuzDgVx3BxCqVWXbCwpV47Mq1gAmaLhi8oBf6 OOJN2JiVJylNJG2J2lPX/RZpeKk2TpEjhLt4ZTueKfEj8m9BBsJuV9tFThn3NQ4RcNTT 634CRN/2S4X3xuLXelbdxsKV+Z86expFqyI0ZN45RG7+UfFThl5BXCBXv8uhhgNWdxP6 g8hfJvjqjXYk2zYMg43BlCkLayQ1xEshpw2NyhyxVbR7Yiv8CS7Wb/1Ezf0AJM/0nv9Q +rQg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1782126738; x=1782731538; h=cc:to:from:subject:message-id:mime-version:date:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=m10nbWcXsn2fy3EJyAc5wf96aflhFz5y+USLpvcgRX8=; b=jtDHspm6NDiHjyW1cGtq7sJYTz8iz01DLQwuhFPgkQTFjlkaa/Q/WdLSprRQnfhMUA dkZ11w9KXtbD/P37vOlXjaxoA0DZLijO6yisRL/mbvSeMNADNXRyCIxDeOvJKyExt76S hP74o/A7Rw6SRgL68RGl+73p2xKMcGhHdJlsl5eeBuERGYI76okXqaWfDsZN2rPuxV/h Z/BxtKSSOaI0lJ5kWJNRpHX/I1ha8B9XDXPw8HZphuCoK+DhCFMhG2TtPST/1BPRMH50 foqbum5lsoYinGQavkUlBQDqMh48VreHlWigbK9fi6AKyF5UdazCZiIcVwdn/zjfALNk W9Jw== X-Gm-Message-State: AOJu0Yzud1SSkY1urTinTJTrMjOA9XVDBhVmrYzgyEJxqqSO0Be885cN QWwfR/7dSlMtTK6RNGS+LmNqvu7/Qzgw4qlzMsIsv7wcgOveDttXafvNvBNBM2t3vgsITgALzv9 gKYUM+dNX1sj/rpkUtw== X-Received: from edqz7.prod.google.com ([2002:aa7:d407:0:b0:696:5e7:d0af]) (user=tarunsahu job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6402:5215:b0:696:8f45:4ae7 with SMTP id 4fb4d7f45d1cf-696e5211777mr6088791a12.13.1782126737649; Mon, 22 Jun 2026 04:12:17 -0700 (PDT) Date: Mon, 22 Jun 2026 11:12:13 +0000 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 X-Mailer: git-send-email 2.55.0.rc0.738.g0c8ab3ebcc-goog Message-ID: <20260622111215.4157974-1-tarunsahu@google.com> Subject: [RESEND PATCH v3 0/2] luo: convert serialized ptr to KHOSER_PTR From: Tarun Sahu To: Andrew Morton , Pasha Tatashin , Alexander Graf , Pratyush Yadav , Mike Rapoport Cc: linux-kernel@vger.kernel.org, kexec@lists.infradead.org, linux-mm@kvack.org, Tarun Sahu Content-Type: text/plain; charset="UTF-8" Convert raw serialized_data to KHO serializeable pointer (KHOSER_PTR). This series also takes care of resolving the bug with memfd of using phys_to_virt before checking the args->serialized_data value. RESEND V3: Sent incorrect thread format earlier, this one is with correct one. v3 <- v2 Rebased on top of liveupdate/next v2 <- v1 Use KHOSER_PTR across liveupdate files instead of only memfd_luo Tarun Sahu (2): kho: add KHOSER_COPY_TYPE(UN)SAFE for phys copy luo: Update serialized data to use KHOSER_PTR include/linux/kho/abi/kexec_handover.h | 12 ++++++++++++ include/linux/kho/abi/luo.h | 5 +++-- include/linux/liveupdate.h | 4 ++-- kernel/liveupdate/luo_file.c | 24 ++++++++++++------------ mm/memfd_luo.c | 18 +++++++++--------- 5 files changed, 38 insertions(+), 25 deletions(-) base-commit: e98a9c61721c14bcd29f11f4802e52e908701f7a -- 2.55.0.rc0.738.g0c8ab3ebcc-goog