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| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2008-02-07 09:02:26 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2008-02-07 09:02:26 -0800 |
| commit | 37969581301e50872a1ae84dc73962b5f7ee6b76 (patch) | |
| tree | 35bbd6a07f903f248f4bd209b8d194a922415fe0 /arch/powerpc/mm/mem.c | |
| parent | 80ff8a805113850a3ffafcc8e6eaa1fdd51b02f3 (diff) | |
| parent | 24f1a849614ba1805e26a05da7cc8c6bd67490ea (diff) | |
| download | lwn-37969581301e50872a1ae84dc73962b5f7ee6b76.tar.gz lwn-37969581301e50872a1ae84dc73962b5f7ee6b76.zip | |
Merge branch 'for-2.6.25' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'for-2.6.25' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (69 commits)
[POWERPC] Add SPE registers to core dumps
[POWERPC] Use regset code for compat PTRACE_*REGS* calls
[POWERPC] Use generic compat_sys_ptrace
[POWERPC] Use generic compat_ptrace_request
[POWERPC] Use generic ptrace peekdata/pokedata
[POWERPC] Use regset code for PTRACE_*REGS* requests
[POWERPC] Switch to generic compat_binfmt_elf code
[POWERPC] Switch to using user_regset-based core dumps
[POWERPC] Add user_regset compat support
[POWERPC] Add user_regset_view definitions
[POWERPC] Use user_regset accessors for GPRs
[POWERPC] ptrace accessors for special regs MSR and TRAP
[POWERPC] Use user_regset accessors for SPE regs
[POWERPC] Use user_regset accessors for altivec regs
[POWERPC] Use user_regset accessors for FP regs
[POWERPC] mpc52xx: fix compile error introduce when rebasing patch
[POWERPC] 4xx: PCIe indirect DCR spinlock fix.
[POWERPC] Add missing native dcr dcr_ind_lock spinlock
[POWERPC] 4xx: Fix offset value on Warp board
[POWERPC] 4xx: Add 440EPx Sequoia ehci dts entry
...
Diffstat (limited to 'arch/powerpc/mm/mem.c')
| -rw-r--r-- | arch/powerpc/mm/mem.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c index ff5debf5eedd..93a5c53e3423 100644 --- a/arch/powerpc/mm/mem.c +++ b/arch/powerpc/mm/mem.c @@ -485,7 +485,12 @@ void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, */ _tlbie(address, 0 /* 8xx doesn't care about PID */); #endif - if (!PageReserved(page) + /* The _PAGE_USER test should really be _PAGE_EXEC, but + * older glibc versions execute some code from no-exec + * pages, which for now we are supporting. If exec-only + * pages are ever implemented, this will have to change. + */ + if (!PageReserved(page) && (pte_val(pte) & _PAGE_USER) && !test_bit(PG_arch_1, &page->flags)) { if (vma->vm_mm == current->active_mm) { __flush_dcache_icache((void *) address); |