Re: [Xen-devel] [PATCH v3] xen/arm: alternative: Register re-mapped Xen area as a temporary virtual region

2017-04-03 Thread Jan Beulich
>>> On 31.03.17 at 20:15, wrote: > On Fri, 31 Mar 2017, Jan Beulich wrote: >> The other one remains, though: As indicated before, only security patches >> should be pushed to stable branches at about the same time as to >> master's staging; everything else should please wait until the patch >> has

Re: [Xen-devel] [PATCH v3] xen/arm: alternative: Register re-mapped Xen area as a temporary virtual region

2017-03-31 Thread Stefano Stabellini
On Fri, 31 Mar 2017, Jan Beulich wrote: > >>> On 29.03.17 at 16:23, wrote: > > On 27/03/17 09:40, Wei Chen wrote: > >> @@ -154,8 +155,12 @@ static int __apply_alternatives_multi_stop(void > >> *unused) > >> int ret; > >> struct alt_region region; > >> mfn_t xen_mfn = _m

Re: [Xen-devel] [PATCH v3] xen/arm: alternative: Register re-mapped Xen area as a temporary virtual region

2017-03-31 Thread Julien Grall
On 03/31/2017 07:47 AM, Jan Beulich wrote: On 29.03.17 at 16:23, wrote: On 27/03/17 09:40, Wei Chen wrote: @@ -154,8 +155,12 @@ static int __apply_alternatives_multi_stop(void *unused) int ret; struct alt_region region; mfn_t xen_mfn = _mfn(virt_to_mfn(_start)); -

Re: [Xen-devel] [PATCH v3] xen/arm: alternative: Register re-mapped Xen area as a temporary virtual region

2017-03-30 Thread Jan Beulich
>>> On 29.03.17 at 16:23, wrote: > On 27/03/17 09:40, Wei Chen wrote: >> @@ -154,8 +155,12 @@ static int __apply_alternatives_multi_stop(void *unused) >> int ret; >> struct alt_region region; >> mfn_t xen_mfn = _mfn(virt_to_mfn(_start)); >> -unsigned int xen_orde

Re: [Xen-devel] [PATCH v3] xen/arm: alternative: Register re-mapped Xen area as a temporary virtual region

2017-03-29 Thread Julien Grall
Hi Wei, On 27/03/17 09:40, Wei Chen wrote: Signed-off-by: Wei Chen Thank you for updating the commit message :). With the small change below: Reviewed-by: Julien Grall --- Notes: This bug will affect the staging, staging-4.8 and stable-4.8 source trees. --- v2->v3 1. Fix typos. 2. Explai

Re: [Xen-devel] [PATCH v3] xen/arm: alternative: Register re-mapped Xen area as a temporary virtual region

2017-03-27 Thread Konrad Rzeszutek Wilk
On Mon, Mar 27, 2017 at 04:40:50PM +0800, Wei Chen wrote: > While I was using the alternative patching in the SErrors patch series [1]. > I used a branch instruction as alternative instruction. > > ALTERNATIVE("nop", > "b skip_check", > SKIP_CHECK_PE

[Xen-devel] [PATCH v3] xen/arm: alternative: Register re-mapped Xen area as a temporary virtual region

2017-03-27 Thread Wei Chen
While I was using the alternative patching in the SErrors patch series [1]. I used a branch instruction as alternative instruction. ALTERNATIVE("nop", "b skip_check", SKIP_CHECK_PENDING_VSERROR) Unfortunately, I got a system panic message with this