Re: [PATCH 12/15] powerpc/nohash/64: switch to generic version of pte allocation

Le 02/05/2019 à 17:28, Mike Rapoport a écrit : The 64-bit book-E powerpc implements pte_alloc_one(), pte_alloc_one_kernel(), pte_free_kernel() and pte_free() the same way as the generic version. Will soon be converted to the same as the 3 other PPC subarches, see

Re: [PATCH v5 3/3] locking/rwsem: Optimize down_read_trylock()

Hi, Could you share the microbenchmark you are using ? I'd like to test the series on powerpc. Thanks Christophe Le 22/03/2019 à 15:30, Waiman Long a écrit : Modify __down_read_trylock() to optimize for an unlocked rwsem and make it generate slightly better code. Before this patch,

Re: [PATCH v2 19/21] treewide: add checks for the return value of memblock_alloc*()

Le 31/01/2019 à 07:44, Christophe Leroy a écrit : Le 31/01/2019 à 07:41, Mike Rapoport a écrit : On Thu, Jan 31, 2019 at 07:07:46AM +0100, Christophe Leroy wrote: Le 21/01/2019 à 09:04, Mike Rapoport a écrit : Add check for the return value of memblock_alloc*() functions and call panic

Re: [PATCH v2 19/21] treewide: add checks for the return value of memblock_alloc*()

Le 31/01/2019 à 07:41, Mike Rapoport a écrit : On Thu, Jan 31, 2019 at 07:07:46AM +0100, Christophe Leroy wrote: Le 21/01/2019 à 09:04, Mike Rapoport a écrit : Add check for the return value of memblock_alloc*() functions and call panic() in case of error. The panic message repeats

Re: [PATCH v2 19/21] treewide: add checks for the return value of memblock_alloc*()

Le 21/01/2019 à 09:04, Mike Rapoport a écrit : Add check for the return value of memblock_alloc*() functions and call panic() in case of error. The panic message repeats the one used by panicing memblock allocators with adjustment of parameters to include only relevant ones. The replacement

[PATCH v2 1/3] powerpc/32: Add ioremap_wt()

Other arches have ioremap_wt() to map IO areas write-through. Implement it on PPC as well in order to avoid drivers using __ioremap(_PAGE_WRITETHRU) Signed-off-by: Christophe Leroy --- v2: no change arch/powerpc/include/asm/io.h | 6 ++ arch/powerpc/mm/pgtable_32.c | 8 2 files

[PATCH v2 2/3] drivers/video/fbdev: use ioremap_wt() instead of __ioremap(_PAGE_WRITETHRU)

_PAGE_WRITETHRU is a target specific flag. Prefer generic functions. Signed-off-by: Christophe Leroy --- v2: removed unnecessary includes headers drivers/video/fbdev/controlfb.c | 5 + drivers/video/fbdev/platinumfb.c | 5 + drivers/video/fbdev/valkyriefb.c | 12 ++-- 3

[PATCH v2 3/3] drivers/block/z2ram: use ioremap_wt() instead of __ioremap(_PAGE_WRITETHRU)

_PAGE_WRITETHRU is a target specific flag. Prefer generic functions. Signed-off-by: Christophe Leroy --- v2: no change drivers/block/z2ram.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/block/z2ram.c b/drivers/block/z2ram.c index d0c5bc4e0703..cfbd70520eeb

[PATCH RESEND 2/3] drivers/video/fbdev: use ioremap_wt() instead of __ioremap(_PAGE_WRITETHRU)

_PAGE_WRITETHRU is a target specific flag. Prefer generic functions. Signed-off-by: Christophe Leroy --- drivers/video/fbdev/controlfb.c | 3 +-- drivers/video/fbdev/platinumfb.c | 3 +-- drivers/video/fbdev/valkyriefb.c | 10 ++ 3 files changed, 8 insertions(+), 8 deletions(-) diff

[PATCH RESEND 3/3] drivers/block/z2ram: use ioremap_wt() instead of __ioremap(_PAGE_WRITETHRU)

_PAGE_WRITETHRU is a target specific flag. Prefer generic functions. Signed-off-by: Christophe Leroy --- drivers/block/z2ram.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/block/z2ram.c b/drivers/block/z2ram.c index d0c5bc4e0703..cfbd70520eeb 100644

[PATCH RESEND 1/3] powerpc/32: Add ioremap_wt()

Other arches have ioremap_wt() to map IO areas write-through. Implement it on PPC as well in order to avoid drivers using __ioremap(_PAGE_WRITETHRU) Signed-off-by: Christophe Leroy --- No change. First serie didn't apply because I generated it on a working branch. arch/powerpc/include/asm

[PATCH RESEND 3/3] drivers/block/z2ram: use ioremap_wt() instead of __ioremap(_PAGE_WRITETHRU)

_PAGE_WRITETHRU is a target specific flag. Prefer generic functions. Signed-off-by: Christophe Leroy --- drivers/block/z2ram.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/block/z2ram.c b/drivers/block/z2ram.c index d0c5bc4e0703..cfbd70520eeb 100644

[PATCH RESEND 2/3] drivers/video/fbdev: use ioremap_wt() instead of __ioremap(_PAGE_WRITETHRU)

_PAGE_WRITETHRU is a target specific flag. Prefer generic functions. Signed-off-by: Christophe Leroy --- drivers/video/fbdev/controlfb.c | 3 +-- drivers/video/fbdev/platinumfb.c | 3 +-- drivers/video/fbdev/valkyriefb.c | 10 ++ 3 files changed, 8 insertions(+), 8 deletions(-) diff

[PATCH 2/3] drivers/video/fbdev: use ioremap_wt() instead of __ioremap(_PAGE_WRITETHRU)

_PAGE_WRITETHRU is a target specific flag. Prefer generic functions. Signed-off-by: Christophe Leroy --- drivers/video/fbdev/controlfb.c | 3 +-- drivers/video/fbdev/platinumfb.c | 3 +-- drivers/video/fbdev/valkyriefb.c | 10 ++ 3 files changed, 8 insertions(+), 8 deletions(-) diff

[PATCH 3/3] drivers/block/z2ram: use ioremap_wt() instead of __ioremap(_PAGE_WRITETHRU)

_PAGE_WRITETHRU is a target specific flag. Prefer generic functions. Signed-off-by: Christophe Leroy --- drivers/block/z2ram.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/block/z2ram.c b/drivers/block/z2ram.c index d0c5bc4e0703..cfbd70520eeb 100644

[PATCH 1/3] powerpc/32: Add ioremap_wt()

Other arches have ioremap_wt() to map IO areas write-through. Implement it on PPC as well in order to avoid drivers using __ioremap(_PAGE_WRITETHRU) Signed-off-by: Christophe Leroy --- arch/powerpc/include/asm/io.h | 6 ++ arch/powerpc/mm/pgtable_32.c | 8 2 files changed, 14