On 2018-04-16 6:01 PM, Sinan Kaya wrote:
parisc architecture seems to be mapping writeX() and writeX_relaxed() APIs
to __raw_writeX() API.

__raw_writeX() API doesn't provide any kind of ordering guarantees.
commit 755bd04aaf4b ("io: define stronger ordering for the default writeX()
implementation") changed asm-generic implementation to use a more
conservative approach towards the writeX() API.

Drop the arch specific version and rely on the asm-generic version for
parisc since parisc version doesn't seem to do anything special with these
  HOSTLD  scripts/mod/modpost
In file included from ./arch/parisc/include/asm/hardirq.h:13:0,
                 from ./include/linux/hardirq.h:9,
                 from arch/parisc/kernel/asm-offsets.c:34:
./include/linux/irq.h: In function 'irq_reg_writel':
./include/linux/irq.h:1114:3: error: implicit declaration of function 'writel' [-Werror=implicit-function-declaration]
   writel(val, gc->reg_base + reg_offset);
./include/linux/irq.h: In function 'irq_reg_readl':
./include/linux/irq.h:1123:10: error: implicit declaration of function 'readl' [-Werror=implicit-function-declaration]
   return readl(gc->reg_base + reg_offset);
cc1: some warnings being treated as errors
make[1]: *** [Kbuild:58: arch/parisc/kernel/asm-offsets.s] Error 1


John David Anglin  dave.ang...@bell.net

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