On Fri, May 15, 2015 at 10:30 AM, Kevin Hilman <khilman@xxxxxxxxxx> wrote: > From: Will Deacon <will.deacon@xxxxxxx> > > An arm64 allmodconfig fails to build with GCC 5 due to __asmeq > assertions in the PSCI firmware calling code firing due to mcount > preambles breaking our assumptions about register allocation of function > arguments: > > /tmp/ccDqJsJ6.s: Assembler messages: > /tmp/ccDqJsJ6.s:60: Error: .err encountered > /tmp/ccDqJsJ6.s:61: Error: .err encountered > /tmp/ccDqJsJ6.s:62: Error: .err encountered > /tmp/ccDqJsJ6.s:99: Error: .err encountered > /tmp/ccDqJsJ6.s:100: Error: .err encountered > /tmp/ccDqJsJ6.s:101: Error: .err encountered > > This patch fixes the issue by moving the PSCI calls out-of-line into > their own assembly files, which are safe from the compiler's meddling > fingers. > > Reported-by: Andy Whitcroft <apw@xxxxxxxxxxxxx> > Signed-off-by: Will Deacon <will.deacon@xxxxxxx> > Signed-off-by: Catalin Marinas <catalin.marinas@xxxxxxx> > Cc: <stable@xxxxxxxxxxxxxxx> # v3.18 > (cherry picked from commit f5e0a12ca2d939e47995f73428d9bf1ad372b289) > Signed-off-by: Kevin Hilman <khilman@xxxxxxxxxx> > --- > This commit is already applied to v3.19+ stable trees, but is also > needed in v3.18, but didn't apply cleanly. This patch is a backport > which fixed up a minor conflict in the Makefile so that it applies > cleanly to v3.18. Oops, please ignore this one. It was the wrong backport and will not apply cleanly to v3.18. I'll resend the right one shortly. Kevin -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html