Re: module: save load_info for livepatch modules

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Fri, 13 Nov 2015, Miroslav Benes wrote:

> I agree this seems like the best approach. So if we preserve 
> mod_arch_syminfo (in case of s390) we should free it not in 
> module_finalize, but somewhere in free_module... where 
> module_arch_cleanup() is called... and also module_arch_freeing_init() is 
> called there too. And what you find there for s390 is 
> 
> 	vfree(mod->arch.syminfo);
> 	mod->arch.syminfo = NULL;
> 
> Well, it does nothing here, because mod->arch.syminfo is already NULL. It 
> was freed in module_finalize. So we can even remove this code from 
> module_finalize and all should be fine. At least for s390.

Which is not true because module_arch_freeing_init is also called from 
do_init_module, called from load_module. So we should move it to 
module_arch_cleanup.

That code is like a maze without Ariadne's thread.

Miroslav
--
To unsubscribe from this list: send the line "unsubscribe linux-api" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux