On Tue, 2013-02-19 at 20:35 +0100, Stefan Priebe wrote: > Am 19.02.2013 20:05, schrieb Ben Hutchings: > > On Tue, Feb 19, 2013 at 06:51:53AM -0800, Greg KH wrote: > >> On Tue, Feb 19, 2013 at 10:18:37AM +0100, Stefan Priebe - Profihost AG > >> wrote: > >>> Hi, > >>> > >>> will we see a backport for the above fix for the 3.0.X tree? > >> > >> Is it applicable to the 3.0.x tree? And if so, someone needs to > >> backport it, and provide it to me, can you? > > > > For 3.2.y I've cherry-picked (in this order): > > > > 848e8f5f0ad3169560c516fff6471be65f76e69f > > 95cf00fa5d5e2a200a2c044c84bde8389a237e02 > > 910ffdb18a6408e14febbb6e4b6840fd2c928c82 > > 9899d11f654474d2d54ea52ceaa2a1f4db3abd68 > > 9067ac85d533651b98c2ff903182a20cbb361fcb > > > > The last three fix the more recently-discovered race. The first two > > are a fix for an x86-specific race in ptrace, made by Oleg back in > > August. The fourth at least textually depends on the first two. > > > > I'm not sure whether 3.0.y would need anything more. > at least on 3.0 this picking does not work as > 910ffdb18a6408e14febbb6e4b6840fd2c928c82 > > does not apply. But backports of the last three are here: > http://www.mail-archive.com/[email protected]/msg31694.html
Oleg, could you comment on whether 'ptrace/x86: Partly fix set_task_blockstep()->update_debugctlmsr() logic' should be backported to 3.0.y as well? Ben. -- Ben Hutchings Sturgeon's Law: Ninety percent of everything is crap.
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