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Tue, 10 Dec 2024 13:23:38 +0000 (GMT) X-AuditID: cbfec7f2-b11c470000005155-6d-675840daa934 Received: from eusmtip1.samsung.com ( [203.254.199.221]) by eusmgms2.samsung.com (EUCPMTA) with SMTP id 8A.6C.19654.9D048576; Tue, 10 Dec 2024 13:23:37 +0000 (GMT) Received: from SSEG2206XE (unknown [106.210.110.5]) by eusmtip1.samsung.com (KnoxPortal) with ESMTPA id 20241210132337eusmtip19cb9e3f3b6de665e70898c706d4f93c6~P05TZU__Y1215712157eusmtip1r for ; Tue, 10 Dec 2024 13:23:37 +0000 (GMT) From: "Bilge Aydin" To: Subject: [APS-24624] Missing patch in K5.15 against kernel panic Date: Tue, 10 Dec 2024 14:23:35 +0100 Message-ID: <0bd701db4b06$b7cbdf00$27639d00$@samsung.com> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Mailer: Microsoft Outlook 16.0 Thread-Index: AdtLBpRQyuaFUyd5R4SRivXyj0oE0w== Content-Language: en-us X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrCKsWRmVeSWpSXmKPExsWy7djPc7q3HCLSDR58M7RYsPERowOjx+dN cgGMUdk2GamJKalFCql5yfkpmXnptkrewfHO8aZmBoa6hpYW5koKeYm5qbZKLj4Bum6ZOUBD lRTKEnNKgUIBicXFSvp2NkX5pSWpChn5xSW2SqmlKTkFhgV6xYm5xaV56Xp5qSVWhgYGRqZA hQnZGc//L2UsaJSs+LL+KVsD4xXxLkZODgkBE4lvHV8Zuxi5OIQEVjBKXLy6lQXCmcgksXn/ BTaQKiGBCUwSXYcKuxg5wDo27RWFqFnOKPHqwjpWCKeVSWL51YnsIA1sApoSl67sZgGxRQRk JKa37mUCsYUFHCR6jv9jBLFZBFQlNmybAVbPK2ApcWbDFTYIW1Di5MwnYL3MAtoSyxa+ZoY4 VUHi59NlrBAz9SRWXmxjg6gRl3h59Ag7yBESAl/ZJdZ+7GWHaHCRmPLnGiOELSzx6vgWqLiM xP+d85kg7GyJudNOQ9UUSEzYdowFwraWmHLhESPIx8xAz6zfpQ8RdpQ4sWc7EyQg+CRuvBWE OIFPYtK26cwQYV6JjjYhiGpFicMPrkEtEpe4tgjG9pBo/buXfQKj4iwkD89C8vAsJI/NQrhh ASPLKkbx1NLi3PTUYsO81HJ4XCfn525iBCa30/+Of9rBOPfVR71DjEwcjIcYJTiYlUR4ObxD 04V4UxIrq1KL8uOLSnNSiw8xmgLjYCKzlGhyPjC95pXEG5oZmBqamJqYmxmaGCuJ86qmyKcK CaQnlqRmp6YWpBbB9DFxcEo1MOX//eoowCAYev/cIg+JExYaXy20DKcEVDTlHz9VoTnloYtQ 4iunjyZf/d8dOeTc6yr5x+ntIvt1r2YbPDt6qTl5w+Krlurz8+Y+771cvmhORhDbeyZ5I5e2 r9nFrzzNb5oEFxjvV2bjXMr9aopa4e2FzwI4n3u7uAdaC22+l73YklPhLWuH0f6PfRcur9j9 fNI39tK4fM11MfsKl/H0fqhMln1nohaQc7P1UKzL54PGEZ0tbu9f8h548kpMsKGb5RGPfOAH JY66W2u/rdj6RVtpe+X/z5UpZhZFTpvKG1XeSpnpeQq4Gm5Tv1h/KE9QJ23RZisOBZ4SMdnd T2QNdfdyHlnbNeXHV7HJy5kylFiKMxINtZiLihMBbQ/R3/cDAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrCLMWRmVeSWpSXmKPExsVy+t/xu7o3HSLSDS6121gs2PiI0YHR4/Mm uQDGKD2bovzSklSFjPziElulaEMLIz1DSws9IxNLPUNj81grI1MlfTublNSczLLUIn27BL2M H8t6WArOiFQcXPyKsYFxg2AXIweHhICJxKa9ol2MXBxCAksZJS7862KCiItLNPUZdTFyApnC En+udbFB1DQzSXz6t5ANJMEmoClx6cpuFhBbREBGYnrrXiYQW1jAQaLn+D9GEJtFQFViw7YZ 7CA2r4ClxJkNV9ggbEGJkzOfgPUyC2hL9D5sZYSxly18zQyxWEHi59NlrBDz9SRWXmxjg6gR l3h59Aj7BEaBWUhGzUIyahaSUbOQtCxgZFnFKJJaWpybnltspFecmFtcmpeul5yfu4kRGNzb jv3csoNx5auPeocYmTgYDzFKcDArifByeIemC/GmJFZWpRblxxeV5qQWH2I0BfptIrOUaHI+ ML7ySuINzQxMDU3MLA1MLc2MlcR52a6cTxMSSE8sSc1OTS1ILYLpY+LglGpg0rmwZ4bbOwsx qX0b5oZx3OzYoLbnGa+mDvvL41fsmm6L/Ofi0etP1pzXN+Wo1EH2ly3WV3qTf2nKdsn26vxo PurRfqFqS3Ltg7heGYn0bVPiip7FTd9UMq8k8qvuAfH+zIPamxlWa2yWrOGI+s1638Ovbf/l HXkX9i1znNj2xkH8w7nT3+PshLUm539nnMqutq6Bx3Of0rwtUwwX+bL0Fd/YwODyOPfGrTu/ Elao20x9Jmxc9Sr+wc9Znf926ZwMnzTxoKpcYkXFk4z0G1fZlc3rryRN0t4X9F/W0qvlpnFA TezcI2XVHyw/TtzboVj1zmh7irrqV4X/sW/+L9kc1aIoOu1b7LV5OodtpESqlViKMxINtZiL ihMB099DK/cCAAA= X-CMS-MailID: 20241210132338eucas1p2228b89f17ab46f90075c07806765a5aa X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-RootMTR: 20241210132338eucas1p2228b89f17ab46f90075c07806765a5aa X-EPHeader: CA CMS-TYPE: 201P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20241210132338eucas1p2228b89f17ab46f90075c07806765a5aa References: Dear Linux community, I am leading a project at Samsung where we utilized your kernel 5.15 in our= system. Recently we faced an important kernel panic issue whose fix must b= e following patch: https://lore.kernel.org/all/1946ef9f774851732eed78760a78ec40dbc6d178.166759= 1503.git.robin.murphy=40arm.com/ The problem for us is that this patch must be available from kernel 6.1 onw= ards.=20 https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/tree/drive= rs/iommu/iommu.c?h=3Dv6.1.119=20 Clear to us is that it is not integrated into K5.15 yet: https://git.kernel= .org/pub/scm/linux/kernel/git/stable/linux.git/tree/drivers/iommu/iommu.c?h= =3Dv5.15.173=20 On the other side we can see that this patch was already applied to Android= Common Kernel android13-5.15 =EF=83=A0=20https://android-review.googlesour= ce.com/q/I51dbcdc5dc536b0e69c6187b2d7ac6a2031a305b.=20In=20particular,=20we= =20can=20see=20the=20same=20implementation=20in=20the=20recent=20ACK=20rele= ase=20https://android.googlesource.com/kernel/common/+/refs/tags/android13-= 5.15-2024-11_r2/drivers/iommu/iommu.c=20=20given=20on=20https://source.andr= oid.com/docs/core/architecture/kernel/gki-android13-5_15-release-builds=20= =0D=0A=0D=0ADo=20you=20have=20any=20plan=20to=20adjust=20your=20implementat= ion=20in=20drivers/iommu/iommu.c=20in=20K5.15=20as=20present=20in=20K6.1?= =20If=20not,=20since=20the=20issue=20in=20our=20project=20is=20very=20criti= cal=20for=20us,=20may=20I=20ask=20you=20kindly=20to=20trigger=20the=20sync= =20of=20K5.15=20and=20K6.1=20soon?=0D=0A=0D=0AI=20would=20appreciate=20high= ly=20your=20response=20and=20any=20support.=0D=0A=0D=0A=0D=0AKind=20regards= =20/=20Mit=20freundlichen=20Gr=C3=BC=C3=9Fen=0D=0A=0D=0A-Confidential-=0D= =0ABilge=20Aydin=0D=0AProject=20Manager=0D=0APhone::=20+49-89-45578-1055=20= =C2=B7=20Mobile::=20+49-160-8855875=20=C2=B7=20Email:=20b.aydin=40samsung.c= om=20=0D=0ASamsung=20Semiconductor=20Europe=20GmbH=0D=0AEinsteinstrasse=201= 74,=2081677=20M=C3=BCnchen,=20Deutschland=0D=0AJurisdiction=20and=20registe= red=20Munich=20/=20Germany,=20HRB=20Nr.=20253778=0D=0AManaging=20Director:= =20Dermot=20Ryan=0D=0A=0D=0Awww.samsung.com/semiconductor/solutions/automot= ive=0D=0A=0D=0A=0D=0A=0D=0A=0D=0AThis=20communication=20(including=20any=20= attachments)=20contains=20information=20which=20may=20be=20confidential=20a= nd/or=20privileged.=20It=20is=20for=20the=20exclusive=20use=20of=20the=20in= tended=20recipient(s)=20so,=20if=20you=20have=20received=20this=20communica= tion=20in=20error,=20please=20do=20not=20distribute,=20copy=20or=20use=20th= is=20communication=20or=20its=20contents=20but=20notify=20the=20sender=20im= mediately=20and=20then=20destroy=20any=20copies=20of=20it.=20Due=20to=20the= =20nature=20of=20the=20Internet,=20the=20sender=20is=20unable=20to=20ensure= =20the=20integrity=20of=20this=20message.=20Any=20views=20expressed=20in=20= this=20communication=20are=20those=20of=20the=20individual=20sender,=20exce= pt=20where=20the=20sender=20specifically=20states=20them=20to=20be=20the=20= views=20of=20the=20company=20the=20sender=20works=20for.=0D=0A=0D=0A=20=0D= =0A=0D=0A=0D=0A=0D=0A