diff options
| author | Hiago De Franco <hiago.franco@toradex.com> | 2025-06-02 15:00:56 -0300 |
|---|---|---|
| committer | Hiago De Franco <hiago.franco@toradex.com> | 2025-06-03 10:26:20 -0300 |
| commit | defb81960f4fcb580b75bbc207e5440dad4376d6 (patch) | |
| tree | da4539935a24104d027d92a8f9afd519f2ee625a /arch/arm/mm/fault.c | |
| parent | 5a6602cc6c3204b24470b2429e658c25638b10a9 (diff) | |
| parent | 1b69a86802c7e77a7624fe4970ca7d382a785b8f (diff) | |
Merge branch '5.15-2.2.x-imx' into toradex_5.15-2.2.x-imxtoradex_5.15-2.2.x-imx
Conflicts:
drivers/tty/serial/fsl_lpuart.c
Signed-off-by: Hiago De Franco <hiago.franco@toradex.com>
Diffstat (limited to 'arch/arm/mm/fault.c')
| -rw-r--r-- | arch/arm/mm/fault.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c index af5177801fb1..bf1577216ffa 100644 --- a/arch/arm/mm/fault.c +++ b/arch/arm/mm/fault.c @@ -26,6 +26,13 @@ #ifdef CONFIG_MMU +bool copy_from_kernel_nofault_allowed(const void *unsafe_src, size_t size) +{ + unsigned long addr = (unsigned long)unsafe_src; + + return addr >= TASK_SIZE && ULONG_MAX - addr >= size; +} + /* * This is useful to dump out the page tables associated with * 'addr' in mm 'mm'. @@ -552,6 +559,7 @@ do_PrefetchAbort(unsigned long addr, unsigned int ifsr, struct pt_regs *regs) if (!inf->fn(addr, ifsr | FSR_LNX_PF, regs)) return; + pr_alert("8<--- cut here ---\n"); pr_alert("Unhandled prefetch abort: %s (0x%03x) at 0x%08lx\n", inf->name, ifsr, addr); |