Re: [Xen-devel] Question about the usage of spinlock

2016-05-26 Thread Dario Faggioli
On Thu, 2016-05-26 at 10:30 +0900, 조현권 wrote: > Hi > Hi, > I am studying xen 4.6.0 version now and wonder the usage of spinlock > which is located in free_heap_pages(xen/common/page_alloc. c) > As its memory setup is ahead of multicore initialization, spinlock > seems to be unnecessary during

Re: [Xen-devel] Question about the usage of spinlock

2016-05-26 Thread Julien Grall
Hello, On 26/05/2016 12:07, Xu, Quan wrote: On May 26, 2016 9:31 AM, 조현권 wrote: I am studying xen 4.6.0 version now and wonder the usage of spinlock which is located in free_heap_pages(xen/common/page_alloc. c) As its memory setup is ahead of multicore initialization,

Re: [Xen-devel] Question about the usage of spinlock

2016-05-26 Thread Xu, Quan
On May 26, 2016 9:31 AM, 조현권 wrote: > I am studying xen 4.6.0 version now and wonder the usage of spinlock which is > located in free_heap_pages(xen/common/page_alloc. c) > As its memory setup is ahead of multicore initialization, spinlock seems to > be unnecessary during

[Xen-devel] Question about the usage of spinlock

2016-05-26 Thread 조현권
Hi I am studying xen 4.6.0 version now and wonder the usage of spinlock which is located in free_heap_pages(xen/common/page_alloc. c) As its memory setup is ahead of multicore initialization, spinlock seems to be unnecessary during booting because it uses only single core spinlock looks