Messages in this thread |  | | Subject | Re: [PATCH] driver core: Fix use-after-free and double free on glue directory | From | Gaurav Kohli <> | Date | Thu, 9 May 2019 20:08:02 +0530 |
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Hi ,
Last patch will serialize the addition of child to parent directory, won't it affect performance.
Regards Gaurav
On 5/4/2019 9:04 PM, Greg KH wrote: > On Sat, May 04, 2019 at 10:47:07PM +0800, Muchun Song wrote: >> Benjamin Herrenschmidt <benh@kernel.crashing.org> 于2019年5月2日周四 下午2:25写道: >> >>>>> The basic idea yes, the whole bool *locked is horrid though. >>>>> Wouldn't it >>>>> work to have a get_device_parent_locked that always returns with >>>>> the mutex held, >>>>> or just move the mutex to the caller or something simpler like this >>>>> ? >>>>> >>>> >>>> Greg and Rafael, do you have any suggestions for this? Or you also >>>> agree with Ben? >>> >>> Ping guys ? This is worth fixing... >> >> I also agree with you. But Greg and Rafael seem to be high latency right now. > > It's in my list of patches to get to, sorry, hopefully will dig out of > that next week with the buffer that the merge window provides me. > > thanks, > > greg k-h >
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