On Mon, Aug 22, 2016 at 05:38:59PM -0500, Tom Lendacky wrote: > Since the setup data is in memory in the clear, it must be accessed as > un-encrypted. Always use ioremap (similar to sysfs setup data support) > to map the data. > > Signed-off-by: Tom Lendacky <thomas.lendacky@xxxxxxx> > --- > arch/x86/kernel/kdebugfs.c | 30 +++++++++++------------------- > 1 file changed, 11 insertions(+), 19 deletions(-) > > diff --git a/arch/x86/kernel/kdebugfs.c b/arch/x86/kernel/kdebugfs.c > index bdb83e4..a58a82e 100644 > --- a/arch/x86/kernel/kdebugfs.c > +++ b/arch/x86/kernel/kdebugfs.c > @@ -48,17 +48,13 @@ static ssize_t setup_data_read(struct file *file, char __user *user_buf, > > pa = node->paddr + sizeof(struct setup_data) + pos; > pg = pfn_to_page((pa + count - 1) >> PAGE_SHIFT); > - if (PageHighMem(pg)) { Why is it ok to get rid of the PageHighMem() check? Btw, we did talk earlier in the thread about making __va() clear the SME mask and then you won't really need to change stuff here. Or? -- Regards/Gruss, Boris. ECO tip #101: Trim your mails when you reply. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html