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OpenRISC fixes for 5.13

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A few fixes that came in around the time of the merge
 window.
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Merge tag 'for-linus' of git://github.com/openrisc/linux

Pull OpenRISC fixes from Stafford Horne:
 "A few fixes that came in around the time of the merge window"

* tag 'for-linus' of git://github.com/openrisc/linux:
  openrisc: Define memory barrier mb
  openrisc: mm/init.c: remove unused variable 'end' in paging_init()
  openrisc: mm/init.c: remove unused memblock_region variable in map_ram()
  openrisc: Fix a memory leak
This commit is contained in:
Linus Torvalds 2021-05-21 06:06:19 -10:00
commit 93bb533a34
3 changed files with 12 additions and 5 deletions
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9
arch/openrisc/include/asm/barrier.h Normal file
View File

@ -0,0 +1,9 @@
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_BARRIER_H
#define __ASM_BARRIER_H
#define mb() asm volatile ("l.msync" ::: "memory")
#include <asm-generic/barrier.h>
#endif /* __ASM_BARRIER_H */

2
arch/openrisc/kernel/setup.c
View File

@ -278,6 +278,8 @@ void calibrate_delay(void)
pr_cont("%lu.%02lu BogoMIPS (lpj=%lu)\n",
loops_per_jiffy / (500000 / HZ),
(loops_per_jiffy / (5000 / HZ)) % 100, loops_per_jiffy);
of_node_put(cpu);
}
void __init setup_arch(char **cmdline_p)

6
arch/openrisc/mm/init.c
View File

@ -75,7 +75,6 @@ static void __init map_ram(void)
/* These mark extents of read-only kernel pages...
* ...from vmlinux.lds.S
*/
struct memblock_region *region;
v = PAGE_OFFSET;
@ -121,7 +120,7 @@ static void __init map_ram(void)
}
printk(KERN_INFO "%s: Memory: 0x%x-0x%x\n", __func__,
region->base, region->base + region->size);
start, end);
}
}
@ -129,7 +128,6 @@ void __init paging_init(void)
{
extern void tlb_init(void);
unsigned long end;
int i;
printk(KERN_INFO "Setting up paging and PTEs.\n");
@ -145,8 +143,6 @@ void __init paging_init(void)
*/
current_pgd[smp_processor_id()] = init_mm.pgd;
end = (unsigned long)__va(max_low_pfn * PAGE_SIZE);
map_ram();
zone_sizes_init();