| Subject | Re: [PATCH v3 12/26] compat_ioctl: move more drivers to compat_ptr_ioctl | From | Marc Gonzalez <> | Date | Wed, 17 Apr 2019 11:46:46 +0200 |
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On 16/04/2019 22:25, Arnd Bergmann wrote:
> The .ioctl and .compat_ioctl file operations have the same prototype so > they can both point to the same function, which works great almost all > the time when all the commands are compatible. > > One exception is the s390 architecture, where a compat pointer is only > 31 bit wide, and converting it into a 64-bit pointer requires calling > compat_ptr(). Most drivers here will ever run in s390
"will /never/ run" ?
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