On Tue, Aug 19, 2025 at 8:58 AM Adrian Hunter <adrian.hunter@xxxxxxxxx> wrote: > > tdx_clear_page() and reset_tdx_pages() duplicate the TDX page clearing > logic. Rename reset_tdx_pages() to tdx_quirk_reset_paddr() and create > tdx_quirk_reset_page() to call tdx_quirk_reset_paddr() and be used in > place of tdx_clear_page(). > > The new name reflects that, in fact, the clearing is necessary only for > hardware with a certain quirk. That is dealt with in a subsequent patch > but doing the rename here avoids additional churn. > > Note reset_tdx_pages() is slightly different from tdx_clear_page() because, > more appropriately, it uses mb() in place of __mb(). Except when extra > debugging is enabled (kcsan at present), mb() just calls __mb(). > > Reviewed-by: Kirill A. Shutemov <kas@xxxxxxxxxx> > Reviewed-by: Binbin Wu <binbin.wu@xxxxxxxxxxxxxxx> > Reviewed-by: Xiaoyao Li <xiaoyao.li@xxxxxxxxx> > Acked-by: Kai Huang <kai.huang@xxxxxxxxx> > Acked-by: Sean Christopherson <seanjc@xxxxxxxxxx> > Reviewed-by: Rick Edgecombe <rick.p.edgecombe@xxxxxxxxx> > Signed-off-by: Adrian Hunter <adrian.hunter@xxxxxxxxx> Acked-by: Vishal Annapurve <vannapurve@xxxxxxxxxx>
