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(parent: 3e6503f) | patch
s390/vdso: put vdso datapage in a separate vma
authorHeiko Carstens <hca@linux.ibm.com>
Sun, 24 Jan 2021 21:01:16 +0000 (22:01 +0100)
committerVasily Gorbik <gor@linux.ibm.com>
Tue, 9 Feb 2021 14:57:05 +0000 (15:57 +0100)
commita34b2794a2496e8c76a222c01942d5729742e703
treebb69328400d260e9f34c2e624cdf71d782566ad4tree | snapshot
parent3e6503fc1190df71985327d7ba579b3e6a345586commit | diff
s390/vdso: put vdso datapage in a separate vma

Add a separate "[vvar]" mapping for the vdso datapage, since it
doesn't need to be executable or COW-able.

This is actually the s390 implementation of commit bc7b40f9f28e
("arm64: vdso: put vdso datapage in a separate vma")

Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
arch/s390/kernel/vdso.c diff | blob | history
Linux Kernel Source Tree.