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kHZkPFZlKDHA8HUCyv+gyYi58vY6ceaZftVmpUzcPLt4LuvC3binJwBP4gJC7kgNHd/LByfQwQfxtJUGUFbtrsMOoWvWzCOZPQaMYhA7aNqjO2GmXci8n1RFgWHSkfrdygeiC2lg5WgBm4NhMiQW8CLW5VbFmGL1t/LBthgA0qGRsSjKfeBd9nNKOZ2tryvBiD2HJ7HiDmuaMni33jnypFNTC9I9nkYXefG4FCouY/MfqrFYTsBHxwYJ2RfsCvMWM4KeN6NjGu7na3WxiFDey/UKdl7E2u9DoSzl4xkYuHhzILuEkZq2TAXb23iwR5nZ1llIoDsO3oq9iKpg893AakQJsS5H9NgBDzOon1vGPYPB4tiLeDLgSjAnuLG0KgaruKSaHLdRZQlaWvIg= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Linus Torvalds wrote: > On Mon, May 29, 2023 at 11:18 AM Johan Hovold wrote: > > > > I took a closer look at some of the modules that failed to load and > > noticed a pattern in that they have dependencies that are needed by more > > than one device. > > Ok, this is a "maybe something like this" RFC series of two patches - > one trivial one to re-organize things a bit so that we can then do the > real one which uses a filter based on the inode pointer to return an > "idempotent return value" for module loads that share the same inode. > > It's entirely untested, and since I'm on the road I'm going to not > really be able to test it. It compiles for me, and the code looks > fairly straightforward, but it's probably buggy. At least for me, these 2 patches, plus Johan's spinlock fixup, are: Tested-by: Dan Williams ...on the test that was previously broken on plain v6.4-rc4. I have these cherry picked on top of v6.4-rc4: Revert "module: error out early on concurrent load of the same module file" module: split up 'finit_module()' into init_module_from_file() helper modules: catch concurrent module loads, take two