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x86/cpufeatures: Add X86_BUG_CPU_MELTDOWN
authorKanth Ghatraju <kanth.ghatraju@oracle.com>
Thu, 11 Jan 2018 21:52:30 +0000 (16:52 -0500)
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Wed, 17 Jan 2018 20:20:54 +0000 (15:20 -0500)
commit5b50ee83a19f8137a69c2cfb3fd829f58b1adbf2
treee3649d014be8eb9b53f57890f7c9d0e16a234514tree
parentc61ef850bb45ae2fa7f28fae9469b58e4d2c3e5dcommit | diff
x86/cpufeatures: Add X86_BUG_CPU_MELTDOWN

Add the BUG bit to indicate that the CPU is affected by the leak due to
lack of isolation of kernel and user space page tables.  Currently AMD
CPUs are not affected by this.

Orabug: 27353383

Signed-off-by: Kanth Ghatraju <kanth.ghatraju@oracle.com>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
arch/x86/include/asm/cpufeature.h diff | blob | history
arch/x86/kernel/cpu/common.c diff | blob | history
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