On Tue, 16 Jan 2024 11:02:19 +0000, Mark Rutland wrote: > While testing an unrelated patch on the arm64 for-next/core branch, I > spotted an issue in the ARM64_WORKAROUND_SPECULATIVE_UNPRIV_LOAD > workaround. The first patch fixes that issue, and the second patch > cleans up the remaining logic. > > The issue has existed since the workaround was introduced in commit: > > [...] Cheers, I picked these up, but you might need to shepherd them through -stable, so please keep an eye out for any "failed to apply" mails. Talking of which, the original workaround didn't make it to any kernels before 6.1: [5.15] https://lore.kernel.org/r/2023100743-evasion-figment-fbcc@gregkh [5.10] https://lore.kernel.org/r/2023100745-statute-component-dd0f@gregkh Please can you or Rob have a crack at that? [1/2] arm64: entry: fix ARM64_WORKAROUND_SPECULATIVE_UNPRIV_LOAD https://git.kernel.org/arm64/c/832dd634bd1b [2/2] arm64: entry: simplify kernel_exit logic https://git.kernel.org/arm64/c/da59f1d051d5 Cheers, -- Will https://fixes.arm64.dev https://next.arm64.dev https://will.arm64.dev
