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(parent: 46bc940) | patch
ksplice: Clear garbage data on the kernel stack when handling signals
authorNelson Elhage <nelson.elhage@oracle.com>
Fri, 31 May 2013 10:10:11 +0000 (03:10 -0700)
committerMaxim Uvarov <maxim.uvarov@oracle.com>
Fri, 31 May 2013 11:01:15 +0000 (04:01 -0700)
commitd92817aa9567292c79bbf0074f4e68e56d9f9c5a
tree5b415f893e8020033094554215c30bcd6ef10f60tree
parent46bc940bc44915993be44e2990aac72d2e925a7dcommit | diff
ksplice: Clear garbage data on the kernel stack when handling signals

The garbage data can give false-positives for the Ksplice safety checks
making it difficult (or sometimes impossible) to apply the rebootless
updates.  Clear the garbage with 0-words to avoid this.
Signed-off-by: Jamie Iles <jamie.iles@oracle.com>
Signed-off-by: Maxim Uvarov <maxim.uvarov@oracle.com>
arch/x86/kernel/entry_32.S diff | blob | history
arch/x86/kernel/entry_64.S diff | blob | history
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