diff options
| author |   Sergei Trofimovich <slyfox@gentoo.org> | 2021-04-29 22:53:45 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2021-04-30 11:20:35 -0700 |
| commit | 9187592b96385e5060dfb2b182aa9ec93d5c0332 (patch) | |
| tree | fe15b3711a4365a8fe7f0e57000c4625b706c5b8 /arch/ia64/mm/fault.c | |
| parent | ia64: mca: always make IA64_MCA_DEBUG an expression (diff) | |
| download | linux-dev-9187592b96385e5060dfb2b182aa9ec93d5c0332.tar.xz linux-dev-9187592b96385e5060dfb2b182aa9ec93d5c0332.zip | |
ia64: drop marked broken DISCONTIGMEM and VIRTUAL_MEM_MAP
DISCONTIGMEM was marked BROKEN in 5.11. Let's remove it.
Booted SPARSEMEM successfully on rx3600.
Link: https://lkml.kernel.org/r/20210404193440.2615358-1-slyfox@gentoo.org
Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/ia64/mm/fault.c')
| -rw-r--r-- | arch/ia64/mm/fault.c | 15 |
1 files changed, 0 insertions, 15 deletions
diff --git a/arch/ia64/mm/fault.c b/arch/ia64/mm/fault.c index cd9766d2b6e0..02de2e70c587 100644 --- a/arch/ia64/mm/fault.c +++ b/arch/ia64/mm/fault.c @@ -84,18 +84,6 @@ ia64_do_page_fault (unsigned long address, unsigned long isr, struct pt_regs *re if (faulthandler_disabled() || !mm) goto no_context; -#ifdef CONFIG_VIRTUAL_MEM_MAP - /* - * If fault is in region 5 and we are in the kernel, we may already - * have the mmap_lock (pfn_valid macro is called during mmap). There - * is no vma for region 5 addr's anyway, so skip getting the semaphore - * and go directly to the exception handling code. - */ - - if ((REGION_NUMBER(address) == 5) && !user_mode(regs)) - goto bad_area_no_up; -#endif - /* * This is to handle the kprobes on user space access instructions */ @@ -213,9 +201,6 @@ retry: bad_area: mmap_read_unlock(mm); -#ifdef CONFIG_VIRTUAL_MEM_MAP - bad_area_no_up: -#endif if ((isr & IA64_ISR_SP) || ((isr & IA64_ISR_NA) && (isr & IA64_ISR_CODE_MASK) == IA64_ISR_CODE_LFETCH)) { |