Re: [PATCH v15 17/17] selftests, arm64: add a selftest for passing tagged pointers to kernel

2019-05-31 Thread Catalin Marinas
On Fri, May 31, 2019 at 04:21:48PM +0200, Andrey Konovalov wrote: > On Wed, May 22, 2019 at 4:16 PM Catalin Marinas > wrote: > > On Mon, May 06, 2019 at 06:31:03PM +0200, Andrey Konovalov wrote: > > > This patch is a part of a series that extends arm64 kernel ABI to allow to > > > pass tagged

Re: [PATCH v15 17/17] selftests, arm64: add a selftest for passing tagged pointers to kernel

2019-05-31 Thread Andrey Konovalov
On Wed, May 22, 2019 at 4:16 PM Catalin Marinas wrote: > > On Mon, May 06, 2019 at 06:31:03PM +0200, Andrey Konovalov wrote: > > This patch is a part of a series that extends arm64 kernel ABI to allow to > > pass tagged user pointers (with the top byte set to something else other > > than 0x00)

Re: [PATCH v15 17/17] selftests, arm64: add a selftest for passing tagged pointers to kernel

2019-05-22 Thread Catalin Marinas
On Mon, May 06, 2019 at 06:31:03PM +0200, Andrey Konovalov wrote: > This patch is a part of a series that extends arm64 kernel ABI to allow to > pass tagged user pointers (with the top byte set to something else other > than 0x00) as syscall arguments. > > This patch adds a simple test, that

[PATCH v15 17/17] selftests, arm64: add a selftest for passing tagged pointers to kernel

2019-05-06 Thread Andrey Konovalov
This patch is a part of a series that extends arm64 kernel ABI to allow to pass tagged user pointers (with the top byte set to something else other than 0x00) as syscall arguments. This patch adds a simple test, that calls the uname syscall with a tagged user pointer as an argument. Without the