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Mon, 12 Oct 2026 01:29:03 -0700 (PDT) Message-ID: <98d47bfd-4e8a-40e6-8570-5109bb1d4267@suse.com> Date: Mon, 12 Oct 2026 10:29:03 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 00/15] x86: PVH Dom0 loading rework From: Jan Beulich To: "xen-devel@lists.xenproject.org" Cc: Andrew Cooper , Teddy Astie , =?UTF-8?Q?Roger_Pau_Monn=C3=A9?= References: <1b4c2bb4-118d-497c-8d7d-f3824fd61a73@suse.com> Content-Language: en-US Autocrypt: addr=jbeulich@suse.com; keydata= xsDiBFk3nEQRBADAEaSw6zC/EJkiwGPXbWtPxl2xCdSoeepS07jW8UgcHNurfHvUzogEq5xk hu507c3BarVjyWCJOylMNR98Yd8VqD9UfmX0Hb8/BrA+Hl6/DB/eqGptrf4BSRwcZQM32aZK 7Pj2XbGWIUrZrd70x1eAP9QE3P79Y2oLrsCgbZJfEwCgvz9JjGmQqQkRiTVzlZVCJYcyGGsD /0tbFCzD2h20ahe8rC1gbb3K3qk+LpBtvjBu1RY9drYk0NymiGbJWZgab6t1jM7sk2vuf0Py O9Hf9XBmK0uE9IgMaiCpc32XV9oASz6UJebwkX+zF2jG5I1BfnO9g7KlotcA/v5ClMjgo6Gl MDY4HxoSRu3i1cqqSDtVlt+AOVBJBACrZcnHAUSuCXBPy0jOlBhxPqRWv6ND4c9PH1xjQ3NP nxJuMBS8rnNg22uyfAgmBKNLpLgAGVRMZGaGoJObGf72s6TeIqKJo/LtggAS9qAUiuKVnygo 3wjfkS9A3DRO+SpU7JqWdsveeIQyeyEJ/8PTowmSQLakF+3fote9ybzd880fSmFuIEJldWxp Y2ggPGpiZXVsaWNoQHN1c2UuY29tPsJgBBMRAgAgBQJZN5xEAhsDBgsJCAcDAgQVAggDBBYC AwECHgECF4AACgkQoDSui/t3IH4J+wCfQ5jHdEjCRHj23O/5ttg9r9OIruwAn3103WUITZee e7Sbg12UgcQ5lv7SzsFNBFk3nEQQCACCuTjCjFOUdi5Nm244F+78kLghRcin/awv+IrTcIWF hUpSs1Y91iQQ7KItirz5uwCPlwejSJDQJLIS+QtJHaXDXeV6NI0Uef1hP20+y8qydDiVkv6l IreXjTb7DvksRgJNvCkWtYnlS3mYvQ9NzS9PhyALWbXnH6sIJd2O9lKS1Mrfq+y0IXCP10eS FFGg+Av3IQeFatkJAyju0PPthyTqxSI4lZYuJVPknzgaeuJv/2NccrPvmeDg6Coe7ZIeQ8Yj t0ARxu2xytAkkLCel1Lz1WLmwLstV30g80nkgZf/wr+/BXJW/oIvRlonUkxv+IbBM3dX2OV8 AmRv1ySWPTP7AAMFB/9PQK/VtlNUJvg8GXj9ootzrteGfVZVVT4XBJkfwBcpC/XcPzldjv+3 HYudvpdNK3lLujXeA5fLOH+Z/G9WBc5pFVSMocI71I8bT8lIAzreg0WvkWg5V2WZsUMlnDL9 mpwIGFhlbM3gfDMs7MPMu8YQRFVdUvtSpaAs8OFfGQ0ia3LGZcjA6Ik2+xcqscEJzNH+qh8V m5jjp28yZgaqTaRbg3M/+MTbMpicpZuqF4rnB0AQD12/3BNWDR6bmh+EkYSMcEIpQmBM51qM EKYTQGybRCjpnKHGOxG0rfFY1085mBDZCH5Kx0cl0HVJuQKC+dV2ZY5AqjcKwAxpE75MLFkr wkkEGBECAAkFAlk3nEQCGwwACgkQoDSui/t3IH7nnwCfcJWUDUFKdCsBH/E5d+0ZnMQi+G0A nAuWpQkjM1ASeQwSHEeAWPgskBQL In-Reply-To: <1b4c2bb4-118d-497c-8d7d-f3824fd61a73@suse.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-purgate-ID: tlsNG-ebf023/1791793743-C26CAB50-8A5CA11A/10/78276251493 X-purgate-type: spam X-purgate-size: 1152 On 12.10.2026 10:17, Jan Beulich wrote: > The primary goal is to accommodate large initrd-s without requiring people > to restrict Dom0's memory just for that. Other issues are being addressed > as well, though, and some cleanup is done, in part even outside of the main > target area of this series. > > 01: EFI: guard against oversized modules > 02: PV: make better use of assign_pages() > 03: setup: break out E820_RAM accumulation > 04: setup: special treatment of initrd for PVH Dom0 > 05: PVH: split pvh_load_kernel() > 06: PVH: keep a copy of Dom0's initial E820 map > 07: PVH: lift E820 alignment requirement > 08: PVH: split pvh_setup_acpi() > 09: PVH: split pvh_setup_acpi() As can be seen from the actual patch title, this was a copy-and-paste mistake of mine. Really: 09: PVH: split pvh_setup_vmx_realmode_helpers() Jan > 10: PVH: convert find_memory() to using a rangeset > 11: PVH: try to map initrd directly into Dom0 > 12: PVH: heed the kernel in pvh_steal_ram() > 13: PVH: prefer smaller E820 regions for stealing from > 14: PVH: log Dom0's E820 map earlier > 15: PVH: simplify writing of Dom0's RSDP