AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2024-11-26 15:30:54 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

[ARM] 3853/1: Fix flush_ptrace_access() thinko for nonaliasing VIPT cache case

Browse Source 
Fix thinko in the flush_ptrace_access() "if (expr)" for the ARM
VIPT non-aliasing cache case.  We only need to flush cache when
VM_EXEC is set in vma->vm_flags but "if (expr) always evaluates
to true on UP systems for the ARM VIPT non-aliasing cache case.

Signed-off-by: George G. Davis <gdavis@mvista.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
George G. Davis 2006-09-21 03:57:04 +01:00 committed by Russell King
parent e7cc2c59cc
commit a71ebdfa52
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/arm/mm/flush.c
View File

@ -107,7 +107,7 @@ void flush_ptrace_access(struct vm_area_struct *vma, struct page *page,
/* VIPT non-aliasing cache */
if (cpu_isset(smp_processor_id(), vma->vm_mm->cpu_vm_mask) &&
vma->vm_flags | VM_EXEC) {
vma->vm_flags & VM_EXEC) {
unsigned long addr = (unsigned long)kaddr;
/* only flushing the kernel mapping on non-aliasing VIPT */
__cpuc_coherent_kern_range(addr, addr + len);