Re: suspicious compiler warning in vdso2c.h

2014-09-16 Thread Andy Lutomirski
On Sep 16, 2014 2:53 AM, "Jan Beulich" wrote: > > Andy > > following e6577a7ce9 ("x86, vdso: Move the vvar area before the > vdso text") gcc 4.3.4 tells me > > .../arch/x86/vdso/vdso2c.c: In function ‘main’: > .../arch/x86/vdso/vdso2c.h:118: warning: assuming signed overflow does not > occur when

suspicious compiler warning in vdso2c.h

2014-09-16 Thread Jan Beulich
Andy following e6577a7ce9 ("x86, vdso: Move the vvar area before the vdso text") gcc 4.3.4 tells me .../arch/x86/vdso/vdso2c.c: In function ‘main’: .../arch/x86/vdso/vdso2c.h:118: warning: assuming signed overflow does not occur when assuming that (X + c) < X is always false .../arch/x86/vdso/vd