> -Original Message-
> From: Benjamin Herrenschmidt
> [mailto:[EMAIL PROTECTED]
> Sent: Monday, March 31, 2008 0:49
> To: [EMAIL PROTECTED]
> Cc: linuxppc-dev@ozlabs.org; Gilad Ben-Yossef; Paul
> Mackerras
> Subject: [PATCH] powerpc: Fix deadlock with
> mmu_hash_lock in
> hash_page_sync
>
Hello PPC SMP MM experts,
mmu_hash_lock (arch/powerpc/mm/hash_low_32.S) is a
(non-standard) spin lock that protects the CPU MMU
hashing table. It exists and used only with SMP
configurations.
In some scenarios, the spin lock is taken when
interrupts are *enabled* causing kernel deadlock at
the ne
(reposting)
Hello PPC SMP MM experts,
mmu_hash_lock (arch/powerpc/mm/hash_low_32.S) is a
(non-standard) spin lock that protects the CPU MMU
hashing table. It exists and used only with SMP
configurations.
In some scenarios, the spin lock is taken when
interrupts are *enabled* causing kernel deadl
