Re: [Qemu-devel] [RFC PATCH] utils: Add up_pow_of_two()

2015-02-23 Thread Alexey Kardashevskiy
On 02/23/2015 07:54 PM, Peter Maydell wrote: On 23 February 2015 at 16:49, Alexey Kardashevskiy wrote: This adds a helper to get closest bigger power-of-two value. Signed-off-by: Alexey Kardashevskiy --- It is a log2 of round up to power of two. Is there anything like this in QEMU already? A

Re: [Qemu-devel] [RFC PATCH] utils: Add up_pow_of_two()

2015-02-23 Thread Peter Maydell
On 23 February 2015 at 16:49, Alexey Kardashevskiy wrote: > This adds a helper to get closest bigger power-of-two value. > > Signed-off-by: Alexey Kardashevskiy > --- > > It is a log2 of round up to power of two. Is there anything like this > in QEMU already? Any better name than up_pow_of_two()?

[Qemu-devel] [RFC PATCH] utils: Add up_pow_of_two()

2015-02-22 Thread Alexey Kardashevskiy
This adds a helper to get closest bigger power-of-two value. Signed-off-by: Alexey Kardashevskiy --- It is a log2 of round up to power of two. Is there anything like this in QEMU already? Any better name than up_pow_of_two()? I'll use this little helper later to calculate a DMA window shift as