On Thu, Mar 29, 2018 at 3:56 PM, Sinan Kaya <ok...@codeaurora.org> wrote:
> On 3/28/2018 11:55 AM, David Miller wrote:
>> From: Benjamin Herrenschmidt <b...@kernel.crashing.org>
>> Date: Thu, 29 Mar 2018 02:13:16 +1100
>>> Let's fix all archs, it's way easier than fixing all drivers. Half of
>>> the archs are unused or dead anyway.
>> Agreed.
> I pinged most of the maintainers yesterday.
> Which arches do we care about these days?
> I have not been paying attention any other architecture besides arm64.
> arch            status                  detail
> ------          -------------           ------------------------------------
> alpha           question sent

I'm guessing alpha has problems

extern inline u32 readl(const volatile void __iomem *addr)
        u32 ret = __raw_readl(addr);
        return ret;
extern inline void writel(u32 b, volatile void __iomem *addr)
        __raw_writel(b, addr);

There is a barrier in writel /after/ the acess but not before.

> arc             question sent           ys...@users.sourceforge.jp will fix 
> it.
> arm             no issues
> arm64           no issues
> blackfin        question sent           about to be removed
> c6x             question sent

no PCI, so it might not matter that much -- all drivers
are platform specific in the end.

> cris            question sent
> frv

cris and frv are getting removed

> h8300           question sent

no PCI

> hexagon         question sent

no PCI

> ia64            no issues               confirmed by Tony Luck
> m32r


> m68k            question sent

> metag


> microblaze      question sent
> mips            question sent

I'm guessing that some mips platforms have problems, but others don't.

> mn10300         question sent


> nios2           question sent

no PCI

> openrisc        no issues               sho...@gmail.com says should no issues
> parisc          no issues               grantgrund...@gmail.com says most 
> probably no problem but still looking
> powerpc         no issues
> riscv           question sent

riscv should be fine

> s390            question sent

Pretty sure this is also fine

> score           question sent


> sh              question sent
> sparc           question sent

> tile            question sent


> unicore32       question sent

Note the maintainer's new email address in linux-next.

> x86             no issues

> xtensa          question sent



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