Re: [PATCH 07/28] ARM: mmu: Separate index and address in create_sections()

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On Sun, May 13, 2018 at 11:47 PM, Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> wrote:
> Hi Andrey,
>
> On Tue, May 08, 2018 at 02:29:30PM -0700, Andrey Smirnov wrote:
>> Both TTB index and address used to fill that entry are derived from
>> the same variable 'addr' which requires shifting right and left by 20
>> and somewhat confusing.
>>
>> Split the counter used to iterate over elements of  TTB into a
>> separate variable to make this code a bit easier to read.
>>
>> Signed-off-by: Andrey Smirnov <andrew.smirnov@xxxxxxxxx>
>> ---
>>  arch/arm/cpu/mmu.h | 8 ++++++--
>>  1 file changed, 6 insertions(+), 2 deletions(-)
>>
>> diff --git a/arch/arm/cpu/mmu.h b/arch/arm/cpu/mmu.h
>> index 59f72049f..8b51e3f9f 100644
>> --- a/arch/arm/cpu/mmu.h
>> +++ b/arch/arm/cpu/mmu.h
>> @@ -28,8 +28,12 @@ static inline void
>>  create_sections(uint32_t *ttb, unsigned long addr,
>>               int size_m, unsigned int flags)
>>  {
>> -     for (addr >>= 20; addr < size_m; addr++)
>> -             ttb[addr] = (addr << 20) | flags;
>> +     unsigned long ttb_start = add >> 20;
>
> This will break compilation. "addr" instead of "add".
>

My bad. Will fix in v2.

Thanks,
Andrey Smirnov

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