From mboxrd@z Thu Jan 1 00:00:00 1970 From: will.deacon@arm.com (Will Deacon) Date: Thu, 24 Jul 2014 09:50:37 +0100 Subject: next build: 629 warnings 1 failures (next/next-20140723) In-Reply-To: References: <53cf8323.e4b6440a.7d37.4f75@mx.google.com> Message-ID: <20140724085037.GB1994@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Thu, Jul 24, 2014 at 12:27:30AM +0100, Olof Johansson wrote: > On Wed, Jul 23, 2014 at 2:40 AM, Olof's autobuilder wrote: > > arm64.defconfig: > > arch/arm64/kernel/head.S:298: Error: unknown or missing system register name at operand 2 -- `mrs x0,S3_4_C12_C9_5' > > arch/arm64/kernel/head.S:301: Error: unknown or missing system register name at operand 1 -- `msr S3_4_C12_C9_5,x0' > > arch/arm64/kernel/head.S:303: Error: unknown or missing system register name at operand 1 -- `msr S3_4_C12_C11_0,xzr' > > arch/arm64/kernel/ptrace.c:1119:3: error: too many arguments to function 'audit_syscall_entry' > > /tmp/ccq7ZztI.s:21: Error: unknown or missing system register name at operand 1 -- `msr S3_0_C12_C12_1,x0' > > /tmp/ccq7ZztI.s:162: Error: unknown or missing system register name at operand 2 -- `mrs x19,S3_0_C12_C12_0' > > /tmp/ccq7ZztI.s:186: Error: unknown or missing system register name at operand 1 -- `msr S3_0_C12_C12_1,x19' > > /tmp/ccq7ZztI.s:220: Error: unknown or missing system register name at operand 1 -- `msr S3_0_C12_C12_1,x19' > > /tmp/ccq7ZztI.s:1110: Error: unknown or missing system register name at operand 1 -- `msr S3_0_C12_C11_5,x27' > > /tmp/ccq7ZztI.s:1530: Error: unknown or missing system register name at operand 2 -- `mrs x0,S3_0_C12_C12_5' > > /tmp/ccq7ZztI.s:1540: Error: unknown or missing system register name at operand 1 -- `msr S3_0_C12_C12_5,x0' > > /tmp/ccq7ZztI.s:1548: Error: unknown or missing system register name at operand 2 -- `mrs x0,S3_0_C12_C12_5' > > /tmp/ccq7ZztI.s:1564: Error: unknown or missing system register name at operand 1 -- `msr S3_0_C4_C6_0,x0' > > /tmp/ccq7ZztI.s:1576: Error: unknown or missing system register name at operand 1 -- `msr S3_0_C12_C12_4,x0' > > /tmp/ccq7ZztI.s:1592: Error: unknown or missing system register name at operand 1 -- `msr S3_0_C12_C12_7,x0' > > > I'm building with a vanilla gcc 4.8.2 / binutils 2.23.2. That > shouldn't be broken like this, so those changes should be fixed (or > minimal toolchain expecations need to be documented -- but there > really is no good reason to require 4.9.0/2.24). These all come from the GICv3 driver, so it's not going to be a lot of fun fixing them. You'd have to introduce a macro for generating the system-reg accesses (for both C and asm), then switch the GIC driver and the arch code over to using that. Will