Messages in this thread | | | Date | Wed, 15 Jan 2020 10:59:22 -0800 | From | Paul Burton <> | Subject | Re: [PATCH V2] mips/vdso: Support mremap() for vDSO |
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Hello,
Guoyun Sun wrote: > vDSO VMA address is saved in mm_context for the purpose of using > restorer from vDSO page to return to userspace after signal handling. > > In Checkpoint Restore in Userspace (CRIU) project we place vDSO VMA > on restore back to the place where it was on the dump. > > Make vDSO code track the VMA address by supplying .mremap() fops > the same way it's done for x86 and arm by: > commit b059a453b1cf ("x86/vdso: Add mremap hook to vm_special_mapping") > commit 739586951b8a ("arm64/vdso: Support mremap() for vDSO").
Applied to mips-next.
> commit ad1df95419cc > https://git.kernel.org/mips/c/ad1df95419cc > > Signed-off-by: Guoyun Sun <sunguoyun@loongson.cn> > Signed-off-by: Paul Burton <paulburton@kernel.org>
Thanks, Paul
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