Re: [PATCH v2] powerpc/uaccess: Use flexible addressing with __put_user()/__get_user()

2020-07-07 Thread Christophe Leroy
Le 07/07/2020 à 21:02, Christophe Leroy a écrit : Le 07/07/2020 à 14:44, Christophe Leroy a écrit : Le 30/06/2020 à 03:19, Michael Ellerman a écrit : Michael Ellerman writes: Christophe Leroy writes: Hi Michael, I see this patch is marked as "defered" in patchwork, but I can't see

Re: [PATCH v2] powerpc/uaccess: Use flexible addressing with __put_user()/__get_user()

2020-07-07 Thread Christophe Leroy
Le 07/07/2020 à 14:44, Christophe Leroy a écrit : Le 30/06/2020 à 03:19, Michael Ellerman a écrit : Michael Ellerman writes: Christophe Leroy writes: Hi Michael, I see this patch is marked as "defered" in patchwork, but I can't see any related discussion. Is it normal ? Because it

Re: [PATCH v2] powerpc/uaccess: Use flexible addressing with __put_user()/__get_user()

2020-07-07 Thread Christophe Leroy
Le 30/06/2020 à 03:19, Michael Ellerman a écrit : Michael Ellerman writes: Christophe Leroy writes: Hi Michael, I see this patch is marked as "defered" in patchwork, but I can't see any related discussion. Is it normal ? Because it uses the "m<>" constraint which didn't work on GCC

Re: [PATCH v2] powerpc/uaccess: Use flexible addressing with __put_user()/__get_user()

2020-07-01 Thread Christophe Leroy
Le 30/06/2020 à 23:18, Segher Boessenkool a écrit : Hi again, Thanks for your work so far! On Tue, Jun 30, 2020 at 06:53:39PM +, Christophe Leroy wrote: On 06/30/2020 04:33 PM, Segher Boessenkool wrote: + make -s CC=powerpc64-linux-gnu-gcc -j 160 In file included from

Re: [PATCH v2] powerpc/uaccess: Use flexible addressing with __put_user()/__get_user()

2020-06-30 Thread Segher Boessenkool
Hi again, Thanks for your work so far! On Tue, Jun 30, 2020 at 06:53:39PM +, Christophe Leroy wrote: > On 06/30/2020 04:33 PM, Segher Boessenkool wrote: > >>>+ make -s CC=powerpc64-linux-gnu-gcc -j 160 > >>>In file included from /linux/include/linux/uaccess.h:11:0, > >>>

Re: [PATCH v2] powerpc/uaccess: Use flexible addressing with __put_user()/__get_user()

2020-06-30 Thread Christophe Leroy
On 06/30/2020 04:33 PM, Segher Boessenkool wrote: On Tue, Jun 30, 2020 at 04:55:05PM +0200, Christophe Leroy wrote: Le 30/06/2020 à 03:19, Michael Ellerman a écrit : Michael Ellerman writes: Because it uses the "m<>" constraint which didn't work on GCC 4.6.

Re: [PATCH v2] powerpc/uaccess: Use flexible addressing with __put_user()/__get_user()

2020-06-30 Thread Segher Boessenkool
On Tue, Jun 30, 2020 at 04:55:05PM +0200, Christophe Leroy wrote: > Le 30/06/2020 à 03:19, Michael Ellerman a écrit : > >Michael Ellerman writes: > >>Because it uses the "m<>" constraint which didn't work on GCC 4.6. > >> > >>https://github.com/linuxppc/issues/issues/297 > >> > >>So we should be

Re: [PATCH v2] powerpc/uaccess: Use flexible addressing with __put_user()/__get_user()

2020-06-30 Thread Christophe Leroy
Le 30/06/2020 à 03:19, Michael Ellerman a écrit : Michael Ellerman writes: Christophe Leroy writes: Hi Michael, I see this patch is marked as "defered" in patchwork, but I can't see any related discussion. Is it normal ? Because it uses the "m<>" constraint which didn't work on GCC

Re: [PATCH v2] powerpc/uaccess: Use flexible addressing with __put_user()/__get_user()

2020-06-29 Thread Michael Ellerman
Michael Ellerman writes: > Christophe Leroy writes: >> Hi Michael, >> >> I see this patch is marked as "defered" in patchwork, but I can't see >> any related discussion. Is it normal ? > > Because it uses the "m<>" constraint which didn't work on GCC 4.6. > >

Re: [PATCH v2] powerpc/uaccess: Use flexible addressing with __put_user()/__get_user()

2020-06-29 Thread Michael Ellerman
Christophe Leroy writes: > Hi Michael, > > I see this patch is marked as "defered" in patchwork, but I can't see > any related discussion. Is it normal ? Because it uses the "m<>" constraint which didn't work on GCC 4.6. https://github.com/linuxppc/issues/issues/297 So we should be able to

Re: [PATCH v2] powerpc/uaccess: Use flexible addressing with __put_user()/__get_user()

2020-06-29 Thread Christophe Leroy
Hi Michael, I see this patch is marked as "defered" in patchwork, but I can't see any related discussion. Is it normal ? Christophe Le 16/04/2020 à 14:39, Christophe Leroy a écrit : At the time being, __put_user()/__get_user() and friends only use D-form addressing, with 0 offset. Ex: