Messages in this thread | | | Date | Mon, 12 Apr 2004 10:46:38 -0700 | From | Andrew Morton <> | Subject | Re: [PATCH] call_usermodehelper hang |
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Brian King <brking@us.ibm.com> wrote: > > >> Ok, you've convinced me of the mess that would cause. So what should we > >> do to help fix this? Serialize call_usermodehelper()? > > > > > > May as well bring back call_usermodehelper_async() I guess. > > > > > > There are two patches here, and they are totally untested... > > I loaded the patches on my ppc64 box and they worked fine after I fixed a compile > bug. The attached patch fixes the compile bug and changes the call_usermodehelper > call in kset_hotplug to call_usermodehelper_async.
yup, thanks. I've changed the patch in my tree so that we always perform the fully-async operation if call_usermodehelper() is passed "wait=0". It gets the new code some more testing and keeps the kernel API simpler.
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