3.16.40-rc1 review patch. If anyone has any objections, please let me know. ------------------ From: Dan Carpenter <dan.carpenter@xxxxxxxxxx> commit c4597fd756836a5fb7900f2091797ab564390ad0 upstream. 'm_io' is stored in 6 bits so it's a number in the 0-63 range. Static analysis tools complain that 1 << 63 will wrap so I have changed it to 1ULL << m_io. This code is over three years old so presumably the bug doesn't happen very frequently in real life or someone would have complained by now. Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> Cc: Alex Thorlton <athorlton@xxxxxxx> Cc: Dimitri Sivanich <sivanich@xxxxxxx> Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> Cc: Mike Travis <travis@xxxxxxx> Cc: Nathan Zimmer <nzimmer@xxxxxxx> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx> Cc: Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Cc: kernel-janitors@xxxxxxxxxxxxxxx Fixes: b15cc4a12bed ("x86, uv, uv3: Update x2apic Support for SGI UV3") Link: http://lkml.kernel.org/r/20161123221908.GA23997@mwanda Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx> Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx> --- arch/x86/kernel/apic/x2apic_uv_x.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/arch/x86/kernel/apic/x2apic_uv_x.c +++ b/arch/x86/kernel/apic/x2apic_uv_x.c @@ -633,9 +633,9 @@ static __init void map_mmioh_high_uv3(in l = li; } addr1 = (base << shift) + - f * (unsigned long)(1 << m_io); + f * (1ULL << m_io); addr2 = (base << shift) + - (l + 1) * (unsigned long)(1 << m_io); + (l + 1) * (1ULL << m_io); pr_info("UV: %s[%03d..%03d] NASID 0x%04x ADDR 0x%016lx - 0x%016lx\n", id, fi, li, lnasid, addr1, addr2); if (max_io < l)