[Qemu-devel] [PATCH 1/2] block: minimal bounce buffer alignment

2015-05-12 Thread Denis V. Lunev
The patch introduces new concept: minimal memory alignment for bounce buffers. Original so called "optimal" value is actually minimal required value for aligment. It should be used for validation that the IOVec is properly aligned and bounce buffer is not required. Though, from the performance poi

[Qemu-devel] [PATCH 1/2] block: minimal bounce buffer alignment

2015-05-12 Thread Denis V. Lunev
The patch introduces new concept: minimal memory alignment for bounce buffers. Original so called "optimal" value is actually minimal required value for aligment. It should be used for validation that the IOVec is properly aligned and bounce buffer is not required. Though, from the performance poi

Re: [Qemu-devel] [PATCH 1/2] block: minimal bounce buffer alignment

2015-05-12 Thread Kevin Wolf
Am 12.05.2015 um 07:47 hat Denis V. Lunev geschrieben: > The patch introduces new concept: minimal memory alignment for bounce > buffers. Original so called "optimal" value is actually minimal required > value for aligment. It should be used for validation that the IOVec > is properly aligned and b

[Qemu-devel] [PATCH 1/2] block: minimal bounce buffer alignment

2015-05-11 Thread Denis V. Lunev
The patch introduces new concept: minimal memory alignment for bounce buffers. Original so called "optimal" value is actually minimal required value for aligment. It should be used for validation that the IOVec is properly aligned and bounce buffer is not required. Though, from the performance poi

[Qemu-devel] [PATCH 1/2] block: minimal bounce buffer alignment

2015-05-04 Thread Denis V. Lunev
The patch introduces new concept: minimal memory alignment for bounce buffers. Original so called "optimal" value is actually minimal required value for aligment. It should be used for validation that the IOVec is properly aligned and bounce buffer is not required. Though, from the performance poi