Re: [PATCH] Work around for enabling CONFIG_CMDLINE on ppc64le

2016-09-27 Thread Akshay Adiga
Hi Michael, Here is the link to the bug raised on launchpad. https://bugs.launchpad.net/ubuntu/+source/gcc-5/+bug/1628207 On 09/23/2016 09:45 AM, Akshay Adiga wrote: Hi Michael, Anton found this bug and raised it against gcc v7.0 and a fix is available in upstream gcc. https://gcc.gnu

Re: [PATCH] Work around for enabling CONFIG_CMDLINE on ppc64le

2016-09-22 Thread Akshay Adiga
Hi Michael, Anton found this bug and raised it against gcc v7.0 and a fix is available in upstream gcc. https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71709 Currently, gcc v5.4.0 and v6.1.1 shipped with Ubuntu 16.04 and 16.10 respectively, are hitting this problem. I have also raise

Re: [PATCH] Work around for enabling CONFIG_CMDLINE on ppc64le

2016-09-22 Thread Anton Blanchard
Hi, > But I can't merge that patch. > > Our options are one or both of: > - get GCC fixed and backport the fix to the compilers we care about. > - blacklist the broken compiler versions. > > Is there a GCC bug filed for this? Likely: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71709 We need

Re: [PATCH] Work around for enabling CONFIG_CMDLINE on ppc64le

2016-09-22 Thread Michael Ellerman
Akshay Adiga writes: > Observed that boot arguments (passed as CONFIG_CMDLINE) are not being > picked up by kernel while using gcc-ppc64-linux-gnu v5.4.0 and v6.1.1. > While it works as expected with v5.3.1 . > > Found that in init/main.c in setup_command_line() the pointers passed to > strcpy(

[PATCH] Work around for enabling CONFIG_CMDLINE on ppc64le

2016-09-21 Thread Akshay Adiga
Observed that boot arguments (passed as CONFIG_CMDLINE) are not being picked up by kernel while using gcc-ppc64-linux-gnu v5.4.0 and v6.1.1. While it works as expected with v5.3.1 . Found that in init/main.c in setup_command_line() the pointers passed to strcpy() is messed up. source for setup_