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authorLinus Torvalds <torvalds@linux-foundation.org>2021-07-22 19:38:19 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2021-07-22 19:38:19 +0200
commit9f42f674a89200d4f465a7db6070e079f3c6145f (patch)
treead59d96f613d60e2ca30391c6adeac84039f14d4 /net
parentMerge tag 'hyperv-fixes-signed-20210722' of git://git.kernel.org/pub/scm/linu... (diff)
parentRevert "mm/pgtable: add stubs for {pmd/pub}_{set/clear}_huge" (diff)
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon: "A pair of arm64 fixes for -rc3. The straightforward one is a fix to our firmware calling stub, which accidentally started corrupting the link register on machines with SVE. Since these machines don't really exist yet, it wasn't spotted in -next. The other fix is a revert-and-a-bit of a patch originally intended to allow PTE-level huge mappings for the VMAP area on 32-bit PPC 8xx. A side-effect of this change was that our pXd_set_huge() implementations could be replaced with generic dummy functions depending on the levels of page-table being used, which in turn broke the boot if we fail to create the linear mapping as a result of using these functions to operate on the pgd. Huge thanks to Michael Ellerman for modifying the revert so as not to regress PPC 8xx in terms of functionality. Anyway, that's the background and it's also available in the commit message along with Link tags pointing at all of the fun. Summary: - Fix hang when issuing SMC on SVE-capable system due to clobbered LR - Fix boot failure due to missing block mappings with folded page-table" * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: Revert "mm/pgtable: add stubs for {pmd/pub}_{set/clear}_huge" arm64: smccc: Save lr before calling __arm_smccc_sve_check()
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