On Thu, 2016-02-25 at 01:58 -0800, Dexuan Cui wrote: > "d1cd12108346: x86, pageattr: Prevent overflow in slow_virt_to_phys() for > X86_PAE" > was unintentionally removed by the recent > "34437e67a672: x86/mm: Fix slow_virt_to_phys() to handle large PAT bit". > > And, the variable 'phys_addr' was defined as "unsigned long" by mistake > -- it should > be "phys_addr_t". > > As a result, Hyper-V network driver in 32-PAE Linux guest can't work > again. > > Fixes: "commmit 34437e67a672: x86/mm: Fix slow_virt_to_phys() to handle > large PAT bit" > Signed-off-by: Dexuan Cui <decui@xxxxxxxxxxxxx> > Cc: Toshi Kani <toshi.kani@xxxxxxx> > Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> > Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> > Cc: K. Y. Srinivasan <kys@xxxxxxxxxxxxx> > Cc: Haiyang Zhang <haiyangz@xxxxxxxxxxxxx> > Cc: gregkh@xxxxxxxxxxxxxxxxxxx > Cc: linux-mm@xxxxxxxxx > Cc: olaf@xxxxxxxxx > Cc: apw@xxxxxxxxxxxxx > Cc: jasowang@xxxxxxxxxx > Cc: stable@xxxxxxxxxxxxxxx Thanks for the fix and adding the comment to explain the trick! The change looks good to me. Reviewed-by: Toshi Kani <toshi.kani@xxxxxxx> -Toshi -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>