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Date: Fri, 10 Sep 2010 18:17:37 +1000
From: Benjamin Herrenschmidt <benh@...nel.crashing.org>
To: monstr@...str.eu
Cc: linux-kernel@...r.kernel.org, linux-mm@...ck.org,
"linux-next@...r.kernel.org" <linux-next@...r.kernel.org>,
Stephen Rothwell <sfr@...b.auug.org.au>,
Ingo Molnar <mingo@...e.hu>
Subject: Re: [PATCH 08/43] memblock/microblaze: Use new accessors
On Thu, 2010-09-09 at 12:57 +0200, Michal Simek wrote:
> Benjamin Herrenschmidt wrote:
> > On Fri, 2010-08-06 at 10:52 +0200, Michal Simek wrote:
> >> Benjamin Herrenschmidt wrote:
> >>> CC: Michal Simek <monstr@...str.eu>
> >>> Signed-off-by: Benjamin Herrenschmidt <benh@...nel.crashing.org>
> >> This patch remove bug which I reported but there is another place which
> >> needs to be changed.
> >>
> >> I am not sure if my patch is correct but at least point you on places
> >> which is causing compilation errors.
> >>
> >> I tested your memblock branch with this fix and microblaze can boot.
> >
> > Ok, that's missing in my initial rename patch. I'll fix it up. Thanks.
> >
> > Cheers,
> > Ben.
>
> I don't know why but this unfixed old patch is in linux-next today. Not
> sure which tree contains it.
I'm pretty sure I had all that fixed up including the ARM stuff. I
wonder if Ingo picked my latest stuff (or maybe I failed to push it
out).
I'm still travelling, I'll be back next week at which point I can have a
look.
Cheers,
Ben.
> Thanks,
> Michal
>
> >>
> >> CC arch/microblaze/mm/init.o
> >> arch/microblaze/mm/init.c: In function 'mm_cmdline_setup':
> >> arch/microblaze/mm/init.c:236: error: 'struct memblock_type' has no
> >> member named 'region'
> >> arch/microblaze/mm/init.c: In function 'mmu_init':
> >> arch/microblaze/mm/init.c:279: error: 'struct memblock_type' has no
> >> member named 'region'
> >> arch/microblaze/mm/init.c:284: error: 'struct memblock_type' has no
> >> member named 'region'
> >> arch/microblaze/mm/init.c:285: error: 'struct memblock_type' has no
> >> member named 'region'
> >> arch/microblaze/mm/init.c:286: error: 'struct memblock_type' has no
> >> member named 'region'
> >> make[1]: *** [arch/microblaze/mm/init.o] Error 1
> >> make: *** [arch/microblaze/mm] Error 2
> >>
> >>
> >> diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c
> >> index 32a702b..a9d7b9b 100644
> >> --- a/arch/microblaze/mm/init.c
> >> +++ b/arch/microblaze/mm/init.c
> >> @@ -233,7 +233,7 @@ static void mm_cmdline_setup(void)
> >> if (maxmem && memory_size > maxmem) {
> >> memory_size = maxmem;
> >> memory_end = memory_start + memory_size;
> >> - memblock.memory.region[0].size = memory_size;
> >> + memblock.memory.regions[0].size = memory_size;
> >> }
> >> }
> >> }
> >> @@ -276,14 +276,14 @@ asmlinkage void __init mmu_init(void)
> >> machine_restart(NULL);
> >> }
> >>
> >> - if ((u32) memblock.memory.region[0].size < 0x1000000) {
> >> + if ((u32) memblock.memory.regions[0].size < 0x1000000) {
> >> printk(KERN_EMERG "Memory must be greater than 16MB\n");
> >> machine_restart(NULL);
> >> }
> >> /* Find main memory where the kernel is */
> >> - memory_start = (u32) memblock.memory.region[0].base;
> >> - memory_end = (u32) memblock.memory.region[0].base +
> >> - (u32) memblock.memory.region[0].size;
> >> + memory_start = (u32) memblock.memory.regions[0].base;
> >> + memory_end = (u32) memblock.memory.regions[0].base +
> >> + (u32) memblock.memory.regions[0].size;
> >> memory_size = memory_end - memory_start;
> >>
> >> mm_cmdline_setup(); /* FIXME parse args from command line - not
> >> used */
> >>
> >>
> >>
> >>> ---
> >>> arch/microblaze/mm/init.c | 20 +++++++++-----------
> >>> 1 files changed, 9 insertions(+), 11 deletions(-)
> >>>
> >>> diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c
> >>> index afd6494..32a702b 100644
> >>> --- a/arch/microblaze/mm/init.c
> >>> +++ b/arch/microblaze/mm/init.c
> >>> @@ -70,16 +70,16 @@ static void __init paging_init(void)
> >>>
> >>> void __init setup_memory(void)
> >>> {
> >>> - int i;
> >>> unsigned long map_size;
> >>> + struct memblock_region *reg;
> >>> +
> >>> #ifndef CONFIG_MMU
> >>> u32 kernel_align_start, kernel_align_size;
> >>>
> >>> /* Find main memory where is the kernel */
> >>> - for (i = 0; i < memblock.memory.cnt; i++) {
> >>> - memory_start = (u32) memblock.memory.regions[i].base;
> >>> - memory_end = (u32) memblock.memory.regions[i].base
> >>> - + (u32) memblock.memory.region[i].size;
> >>> + for_each_memblock(memory, reg) {
> >>> + memory_start = (u32)reg->base;
> >>> + memory_end = (u32) reg->base + reg->size;
> >>> if ((memory_start <= (u32)_text) &&
> >>> ((u32)_text <= memory_end)) {
> >>> memory_size = memory_end - memory_start;
> >>> @@ -147,12 +147,10 @@ void __init setup_memory(void)
> >>> free_bootmem(memory_start, memory_size);
> >>>
> >>> /* reserve allocate blocks */
> >>> - for (i = 0; i < memblock.reserved.cnt; i++) {
> >>> - pr_debug("reserved %d - 0x%08x-0x%08x\n", i,
> >>> - (u32) memblock.reserved.region[i].base,
> >>> - (u32) memblock_size_bytes(&memblock.reserved, i));
> >>> - reserve_bootmem(memblock.reserved.region[i].base,
> >>> - memblock_size_bytes(&memblock.reserved, i) - 1, BOOTMEM_DEFAULT);
> >>> + for_each_memblock(reserved, reg) {
> >>> + pr_debug("reserved - 0x%08x-0x%08x\n",
> >>> + (u32) reg->base, (u32) reg->size);
> >>> + reserve_bootmem(reg->base, reg->size, BOOTMEM_DEFAULT);
> >>> }
> >>> #ifdef CONFIG_MMU
> >>> init_bootmem_done = 1;
> >>
> >
> >
>
>
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