Re: [Xen-devel] [PATCH 1/1] hvm.c: Prevent gcc uninitialised var warning

2015-03-26 Thread Ian Murray
- Original Message - > From: Jan Beulich > To: Don Slutz > Cc: Ian Murray ; Andrew Cooper > ; Keir Fraser ; Ian Campbell > ; xen-devel@lists.xen.org > Sent: Thursday, 26 March 2015, 7:48 > Subject: Re: [Xen-devel] [PATCH 1/1] hvm.c: Prevent gcc uninitialis

Re: [Xen-devel] [PATCH 1/1] hvm.c: Prevent gcc uninitialised var warning

2015-03-26 Thread Jan Beulich
>>> On 25.03.15 at 21:03, wrote: > On 03/25/15 11:48, Jan Beulich wrote: > On 25.03.15 at 16:02, wrote: >>> As an aside, the compiler is in a very easy position to spot this. The >>> error means that GCC has positively identified a basic block which does >>> use bufioreq_pfn before it has be

Re: [Xen-devel] [PATCH 1/1] hvm.c: Prevent gcc uninitialised var warning

2015-03-25 Thread Don Slutz
On 03/25/15 11:48, Jan Beulich wrote: On 25.03.15 at 16:02, wrote: >> On 23/03/15 15:01, Don Slutz wrote: >>> gcc (Ubuntu/Linaro 4.6.3-1ubuntu5) 4.6.3 reports: >>> -- >>> hvm.c: In function `hvm_create_ioreq_server': >>> hvm.

Re: [Xen-devel] [PATCH 1/1] hvm.c: Prevent gcc uninitialised var warning

2015-03-25 Thread Jan Beulich
>>> On 25.03.15 at 16:02, wrote: > On 23/03/15 15:01, Don Slutz wrote: >> gcc (Ubuntu/Linaro 4.6.3-1ubuntu5) 4.6.3 reports: >> -- >> hvm.c: In function `hvm_create_ioreq_server': >> hvm.c:487:18: error: `bufioreq_pfn' may be used

Re: [Xen-devel] [PATCH 1/1] hvm.c: Prevent gcc uninitialised var warning

2015-03-25 Thread Andrew Cooper
On 23/03/15 15:01, Don Slutz wrote: > gcc (Ubuntu/Linaro 4.6.3-1ubuntu5) 4.6.3 reports: > -- > hvm.c: In function `hvm_create_ioreq_server': > hvm.c:487:18: error: `bufioreq_pfn' may be used uninitialised in this function > [-Werro

[Xen-devel] [PATCH 1/1] hvm.c: Prevent gcc uninitialised var warning

2015-03-23 Thread Don Slutz
gcc (Ubuntu/Linaro 4.6.3-1ubuntu5) 4.6.3 reports: -- hvm.c: In function `hvm_create_ioreq_server': hvm.c:487:18: error: `bufioreq_pfn' may be used uninitialised in this function [-Werror=uninitialized] hvm.c:718:30: note: `bufioreq