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[37.24.206.209]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a89891daebcsm70409766b.170.2024.08.29.04.47.14 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 29 Aug 2024 04:47:14 -0700 (PDT) X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: 70102f73-65fc-11ef-a0b0-8be0dac302b0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=google; t=1724932035; x=1725536835; darn=lists.xenproject.org; h=content-transfer-encoding:autocrypt:subject:from:cc:to :content-language:user-agent:mime-version:date:message-id:from:to:cc :subject:date:message-id:reply-to; bh=ef/TO3RUZp7UJLqGV5F3Bdki7XY3CnYxHWBDiwP5ghs=; b=BppJBfqK///3Co+jyImR27QTzDNm2lXycy1Z1ciP5d3gYtwqx7VHr3ExXcIGlWzeNJ DS8ER3EU0W1mkG6PKbHzwPCuYClRkkFiWZ9pjolYbOH1yUnkex5tNcMLh1KTOPWjIQ27 7oswdd8UniAxt0Uwr6uF5xdd/2QDS2fG2p8yL7Q45jFqoh1CKH53tRtaFLp/v5tH222/ OgECEddjL/3tYViXD6210Z0+QK8fG678HeQ3EDffSsdtDT6uS2Hovb8sXs2HrSX6p8wI 8aX2RP0w6Aji87kagK8qqc/zxrBRUoYuOoyu9fAb2XWVtQ3D3IPBq/mCLWjmjYuP4r1m YIuw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1724932035; x=1725536835; h=content-transfer-encoding:autocrypt:subject:from:cc:to :content-language:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=ef/TO3RUZp7UJLqGV5F3Bdki7XY3CnYxHWBDiwP5ghs=; b=qz93xl6d2jK7puiPgStS4EUA/j4Yaw9QLivvhSZm1OntG+ehZVlHqFVZKQdIeMYBnZ nc5tBbhU/7tOUIpdPDr0C6FPMzsnKO58Y0LIilOk78WnNkirU+OXMT6ufCh/Q29ExfPb ///hztu03TT9yDzKgyzwEej+Z7WN6P7FOhpTPqccpUDUhF4sOEHzegcFAgmvII3Oevse zcflfxGEKtRZ9Eq1Iypzf2VaHR7co5I6uDHHyNeNOQvgqHOpGdB/3eMXwsTw2z9qMqoD OLOj/gPNgSpjlXKQrXE4LmARB8+hR21Ql5L5qaa4GlT9GaQCIt4+g/BYmVut1NQo42ey Y8sA== X-Gm-Message-State: AOJu0YxojlZiFkBG/eb0Jv4M3yrlvYllEXk04htRiNvWakuiCYgIhWat Nl8w3fx88OmHpyklY/dyjKeS8ygMIXPiqeVeTGcas0H7qovl7p1LZVB//5JXvOHFOGqciXhEeUU = X-Google-Smtp-Source: AGHT+IG1hf/954NdGq5xjwiHQfApGyexVCeOsm4FQnOmNzbHd3B0zmwCxzHlnqSh8aYLd7egeFd+Dg== X-Received: by 2002:a17:907:3f14:b0:a72:5967:b34 with SMTP id a640c23a62f3a-a898c473f1dmr183119166b.22.1724932035136; Thu, 29 Aug 2024 04:47:15 -0700 (PDT) Message-ID: <71348420-c60a-4d5c-9548-8e5f24f82c76@suse.com> Date: Thu, 29 Aug 2024 13:47:13 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Content-Language: en-US To: "xen-devel@lists.xenproject.org" Cc: Andrew Cooper , =?utf-8?q?Roger_Pau_Monn?= =?utf-8?q?=C3=A9?= From: Jan Beulich Subject: [PATCH] x86: drop map-low-16Mb leftovers 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 Prior work has fully eliminated that hardcoded boundary. Drop both the linker script assertion (the upper bound is now the stubs area) and the artificial extending of xen.efi's image size. Signed-off-by: Jan Beulich Acked-by: Andrew Cooper --- a/xen/arch/x86/xen.lds.S +++ b/xen/arch/x86/xen.lds.S @@ -359,14 +359,6 @@ SECTIONS DWARF2_DEBUG_SECTIONS -#ifdef EFI - /* Trick the linker into setting the image size to no less than 16Mb. */ - __image_end__ = .; - .pad ALIGN(__section_alignment__) : { - . = __image_end__ < __image_base__ + MB(16) ? ALIGN(MB(16)) : .; - } -#endif - #ifdef CONFIG_HYPERV_GUEST hv_hcall_page = ABSOLUTE(HV_HCALL_PAGE - XEN_VIRT_START + __XEN_VIRT_START); #endif @@ -429,6 +421,3 @@ ASSERT((trampoline_end - trampoline_star "not enough room for trampoline and mbi data") ASSERT((wakeup_stack - wakeup_stack_start) >= WAKEUP_STACK_MIN, "wakeup stack too small") - -/* Plenty of boot code assumes that Xen isn't larger than 16M. */ -ASSERT(_end - _start <= MB(16), "Xen too large for early-boot assumptions")