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Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.3.1 MIME-Version: 1.0 In-Reply-To: <20200827040931.297759-17-aneesh.kumar@linux.ibm.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On 27/08/20 9:39 am, Aneesh Kumar K.V wrote: > If an application has configured address protection such that read/write is > denied using pkey even the kernel should receive a FAULT on accessing the same. > > This patch use user AMR value stored in pt_regs.kuap to achieve the same. > > Signed-off-by: Aneesh Kumar K.V > --- > arch/powerpc/include/asm/book3s/64/kup.h | 12 +++++++++--- > 1 file changed, 9 insertions(+), 3 deletions(-) > Reviewed-by: Sandipan Das