Messages in this thread | | | From | tedheadster <> | Date | Tue, 13 Feb 2018 11:57:41 -0500 | Subject | Re: x86/stack protector: X86_32_LAZY_GS=n hangs kernel on old processors |
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> On Tue, Feb 13, 2018 at 11:40:17AM -0500, tedheadster wrote: >> in your patch "x86: make lazy %gs optional on x86_32" were you able >> to test it on really old processors? In 4.16.0-rc1, X86_32_LAZY_GS got >> toggled from 'y' to 'n' in my default config because of changes to the >> stack protector code. It hangs my ancient i486 test machine right >> after 'Booting the kernel'. > > I didn't have access to an i486 at the time or ever since, so it > wasn't tested there. If this is specific to i486, flagging it so in > the config probably isn't the end of the world at this point.
Tejun, I will be able to test this on other 32bit hardware at the end of the week. Hopefully I'll be able to identify which processors it does not work on (i486/i586/i686).
- Matthew
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