Re: [PATCH] tcp: avoid bogus warning in tcp_clean_rtx_queue

2017-09-19 Thread David Miller
From: Arnd Bergmann Date: Tue, 19 Sep 2017 23:32:33 +0200 > On Tue, Sep 19, 2017 at 11:02 PM, David Miller wrote: >> What cpu did you test the object code generation upon and does that >> cpu have branch prediction hints in the target you are building for? > > This was a randconfig build target

Re: [PATCH] tcp: avoid bogus warning in tcp_clean_rtx_queue

2017-09-19 Thread Arnd Bergmann
On Tue, Sep 19, 2017 at 11:02 PM, David Miller wrote: > From: Arnd Bergmann > Date: Mon, 18 Sep 2017 22:48:47 +0200 > >> gcc-4.9 warns that it cannot trace the state of the 'last_ackt' >> variable since the change to the TCP timestamping code, when >> CONFIG_PROFILE_ANNOTATED_BRANCHES is set: >>

Re: [PATCH] tcp: avoid bogus warning in tcp_clean_rtx_queue

2017-09-19 Thread David Miller
From: Arnd Bergmann Date: Mon, 18 Sep 2017 22:48:47 +0200 > gcc-4.9 warns that it cannot trace the state of the 'last_ackt' > variable since the change to the TCP timestamping code, when > CONFIG_PROFILE_ANNOTATED_BRANCHES is set: > > net/ipv4/tcp_input.c: In function 'tcp_clean_rtx_queue': > in