Re: [PATCH v15 01/17] uaccess: add untagged_addr definition for other arches

2019-05-29 Thread Khalid Aziz
On Mon, 2019-05-06 at 18:30 +0200, Andrey Konovalov wrote: > To allow arm64 syscalls to accept tagged pointers from userspace, we > must > untag them when they are passed to the kernel. Since untagging is > done in > generic parts of the kernel, the untagged_addr macro needs to be > defined > for

[PATCH v15 01/17] uaccess: add untagged_addr definition for other arches

2019-05-06 Thread Andrey Konovalov
To allow arm64 syscalls to accept tagged pointers from userspace, we must untag them when they are passed to the kernel. Since untagging is done in generic parts of the kernel, the untagged_addr macro needs to be defined for all architectures. Define it as a noop for architectures other than