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Sun, 20 Jan 2019 15:14:12 +0100 Subject: Re: [PATCH v2 1/1] arm64: dts: marvell: armada-ap806: reserve PSCI area To: Greg Kroah-Hartman , stable@vger.kernel.org Cc: Gregory CLEMENT , Jason Cooper , Andrew Lunn , Sebastian Hesselbarth , Rob Herring , Mark Rutland , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20181221164503.5128-1-xypron.glpk@gmx.de> <874lagpycx.fsf@FE-laptop> From: Heinrich Schuchardt Openpgp: preference=signencrypt Autocrypt: addr=xypron.glpk@gmx.de; prefer-encrypt=mutual; keydata= mQINBE2g3goBEACaikqtClH8OarLlauqv9d9CPndgghjEmi3vvPZJi4jvgrhmIUKwl7q79wG IATxJ1UOXIGgriwoBwoHdooOK33QNy4hkjiNFNrtcaNT7uig+BG0g40AxSwVZ/OLmSFyEioO BmRqz1Zdo+AQ5RzHpu49ULlppgdSUYMYote8VPsRcE4Z8My/LLKmd7lvCn1kvcTGcOS1hyUC 4tMvfuloIehHX3tbcbw5UcQkg4IDh4l8XUc7lt2mdiyJwJoouyqezO3TJpkmkayS3L7o7dB5 AkUwntyY82tE6BU4quRVF6WJ8GH5gNn4y5m3TMDl135w27IIDd9Hv4Y5ycK5sEL3N+mjaWlk 2Sf6j1AOy3KNMHusXLgivPO8YKcL9GqtKRENpy7n+qWrvyHA9xV2QQiUDF13z85Sgy4Xi307 ex0GGrIo54EJXZBvwIDkufRyN9y0Ql7AdPyefOTDsGq5U4XTxh6xfsEXLESMDKQMiVMI74Ec cPYL8blzdkQc1MZJccU+zAr6yERkUwo1or14GC2WPGJh0y/Ym9L0FhXVkq9e1gnXjpF3QIJh wqVkPm4Two93mAL+929ypFr48OIsN7j1NaNAy6TkteIoNUi09winG0tqU5+U944cBMleRQOa dw+zQK0DahH4MGQIU0EVos7lVjFetxPjoKJE9SPl/TCSc+e0RwARAQABtChIZWlucmljaCBT Y2h1Y2hhcmR0IDx4eXByb24uZ2xwa0BnbXguZGU+iQI4BBMBAgAiAhsDBgsJCAcDAgYVCAIJ CgsEFgIDAQIeAQIXgAUCVAqnzgAKCRDEgdu8LAUaxP7AD/9Zwx3SnmrLLc3CqEIcOJP3FMrW gLNi5flG4A/WD9mnQAX+6DEpY6AxIagz6Yx8sZF7HUcn1ByDyZPBn8lHk1+ZaWNAD0LDScGi Ch5nopbJrpFGDSVnMWUNJJBiVZW7reERpzCJy+8dAxhxCQJLgHHAqPaspGtO7XjRBF6oBQZk oJlqbBRFkTcgOI8sDsSpnsfSItZptoaqqm+lZpMCrB5s8x7dsuMEFaRR/4bq1efh8lSq3Kbf eSY59MWh49zExRgAb0pwON5SE1X9C84T2hx51QDiWW/G/HvJF2vxF8hCS7RSx0fn/EbPWkM6 m+O1SncMaA43lx1TvRfPmYhxryncIWcez+YbvH/VqoLtxvz3r3OTH/WEA5J7mu5U1m2lUGNC cFN1bDsNoGhdlFZvG/LJJlBClWBWYHqHnnGEqEQJrlie9goBcS8YFUcfqKYpdmp5/F03qigY PmrE3ndBFnaOlOT7REEi8t3gmxpriTtGpKytFuwXNty1yK2kMiLRnQKWN7WgK70pbFFO4tyB vIhDeXhFmx6pyZHlXjsgbV3H4QbqazqxYOQlfHbkRpUJczuyPGosFe5zH+9eFvqDWYw2qdH+ b0Nt1r12vFC4Mmj5szi40z3rQrt+bFSfhT+wvW9kZuBB5xEFkTTzWSFZbDTUrdPpn2DjYePS sEHKTUhgl7kCDQRNoN4KARAA6WWIVTqFecZHTUXeOfeKYugUwysKBOp8E3WTksnv0zDyLS5T ImLI3y9XgAFkiGuKxrJRarDbw8AjLn6SCJSQr4JN+zMu0MSJJ+88v5sreQO/KRzkti+GCQBK YR5bpqY520C7EkKr77KHvto9MDvPVMKdfyFHDslloLEYY1HxdFPjOuiMs656pKr2d5P4C8+V iAeQlUOFlISaenNe9XRDaO4vMdNy65Xrvdbm3cW2OWCx/LDzMI6abR6qCJFAH9aXoat1voAc uoZ5F5NSaXul3RxRE9K+oWv4UbXhVD242iPnPMqdml6hAPYiNW0dlF3f68tFSVbpqusMXfiY cxkNECkhGwNlh/XcRDdb+AfpVfhYtRseZ0jEYdXLpUbq1SyYxxkDEvquncz2J9urvTyyXwsO QCNZ0oV7UFXf/3pTB7sAcCiAiZPycF4KFS4b7gYo9wBROu82B9aYSCQZnJFxX1tlbvvzTgc+ ecdQZui+LF/VsDPYdj2ggpgxVsZX5JU+5KGDObBZC7ahOi8Jdy0ondqSRwSczGXYzMsnFkDH hKGJaxDcUUw4q+QQuzuAIZZ197lnKJJv3Vd4N0zfxrB0krOcMqyMstvjqCnK/Vn4iOHUiBgA OmtIhygAsO4TkFwqVwIpC+cj2uw/ptN6EiKWzXOWsLfHkAE+D24WCtVw9r8AEQEAAYkCHwQY AQIACQIbDAUCVAqoNwAKCRDEgdu8LAUaxIkbD/wMTA8n8wgthSkPvhTeL13cO5/C3/EbejQU IJOS68I2stnC1ty1FyXwAygixxt3GE+3BlBVNN61dVS9SA498iO0ApxPsy4Q7vvQsF7DuJsC PdZzP/LZRySUMif3qAmIvom8fkq/BnyHhfyZ4XOl1HMr8pMIf6/eCBdgIvxfdOz79BeBBJzr qFlNpxVP8xrHiEjZxU965sNtDSD/1/9w82Wn3VkVisNP2MpUhowyHqdeOv2uoG6sUftmkXZ8 RMo+PY/iEIFjNXw1ufHDLRaHihWLkXW3+bS7agEkXo0T3u1qlFTI6xn8maR9Z0eUAjxtO6qV lGF58XeVhfunbQH8Kn+UlWgqcMJwBYgM69c65Dp2RCV7Tql+vMsuk4MT65+Lwm88Adnn6ppQ S2YmNgDtlNem1Sx3JgCvjq1NowW7q3B+28Onyy2fF0Xq6Kyjx7msPj3XtDZQnhknBwA7mqSZ DDw0aNy1mlCv6KmJBRENfOIZBFUqXCtODPvO5TcduJV/5XuxbTR/33Zj7ez2uZkOEuTs/pPN oKMATC28qfg0qM59YjDrrkdXi/+iDe7qCX93XxdIxpA5YM/ZiqgwziJX8ZOKV7UDV+Ph5KwF lTPJMPdQZYXDOt5DjG5l5j0cQWqE05QtYR/V6g8un6V2PqOs9WzaT/RB12YFcaeWlusa8Iqs Eg== Message-ID: <2c42946c-8bc1-d4cf-b6af-da54aba61c94@gmx.de> Date: Sun, 20 Jan 2019 15:14:05 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0 MIME-Version: 1.0 In-Reply-To: <874lagpycx.fsf@FE-laptop> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit X-Provags-ID: V03:K1:avJxKY5a86HJ59dExVs8a/O5iMEuoocIJYZ1bRpIFicSkBhyPOp 5BObaq6WT97pJQuFISCT0bU/oN5mtbJq2Qqwk761PnqtqJTnjTsTEMGJl9cDun+1rMh1n0B 8Acx8HcwHTySHHRVZwZ//qxolS2fLgn9BSPRPjWLPonT/tZbgeVEJeUBLENNVx7aRrgDS+g SHoNa1RTAgL+2RP0SDxHQ== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:/b8H8fsvQWo=:9YFpUC4Ei2U9H+1E0CGbrM 0Wapt/uwWn6MSjuo4KH2FO1JnqW75WiTk5lxaE4i7GuNlgRM9RMGON2qsT9zZQr3H6rFA7smw QWXyKurF49MQB0IizjyCX1sk6H7x3LCR7XL7OII1yZve+VTDrEL5wPSZGgjeM/29+jc9Gifaq neQOwVEyPUeAiNH5/wxO88oHvUSEjqLZdQkPOF14CCoB1RKNlvC44qyADaHN7pE39XKRM8a8s Rv5sr32p1REtoqnS2DB9hxaJOe7xwZn2eDksITKj62gXP60ndyK55AtrNyGdZQEh1VKAfOmhb 4sxqB5uFQVxDdvuQgNDkqIeEKyHM8r3UpLj2Wz8Ct9lPkNEGjEcBfR9IeddkR8rJAvez6glQE z1/dd34YmUvnl5ptkSZZxFPCM3S3OZkY9+wbBQ42ta/EZsexger+uJZh799l17uBSFgIX6KBO LOZS/XRLRTSqNxt8q3MlRfR91BBtDpXOCXrVtVi2fJbPomc2bLmAGOabGsnhXgoB71wXnhdCw bT0FBGkFmf4RhIa7ynS9YXn7Gt/+3S6iZ3hR3uvTUGeEAtbiaiidPilspiWzcj9xxW4iHUEm4 ejliXbHcuddY6Fkm9PqqDs2D1hysvAUIDNeu4hnF6axOXQBdzLPaBbCNgNkgA7BfC6LutmbIe cu+8p7ZVr2R2peaKo9+/ZOgBAqLLtLXn2dzMdOlkRNlPcOH91n8UdNqqt7mg6a5vC2EuubIso xFRoPzlRbYhbJvJ4B0mjjdbal8tx5xMhjxNvfq4O+4J0CBcr85XCvSNgWOzIQkv5qsnSWN/IP fNW0zCQQVVrptcET3kzDeJA6wM39pqTfKHT96L0KhjwQPORKHLcm0UtzKi1RO3nqMK9t8IEyt 4fDG9HiuVW+DtilehCYrXj3bZadmPlPITcPjoFYmbGzdhWF+YtC5d85PH08SeWqAyo5wJtWsi fC+DOtp5rtg== Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 1/10/19 12:04 PM, Gregory CLEMENT wrote: > Hi Heinrich, > > On ven., déc. 21 2018, Heinrich Schuchardt wrote: > >> The memory area [0x4000000-0x4200000[ is occupied by the PSCI firmware. Any >> attempt to access it from Linux leads to an immediate crash. >> >> So let's make the same memory reservation as the vendor kernel. >> >> Signed-off-by: Heinrich Schuchardt > > > Applied on mvebu/fixes > > I added a comment about the use with a mainline /U-Boot > > Thanks, > > Gregory > > Hello Greg, please, consider arm64: dts: marvell: armada-ap806: reserve PSCI area https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=v5.0-rc2&id=132ac39cffbcfed80ada38ef0fc6d34d95da7be6 for backporting to v4.19. This patch is needed to run Linux on the MACCHIATObin and other boards. Best regards Heinrich