On Wed, Sep 03, 2025 at 07:19:32PM +0800, Binbin Wu wrote: > > > On 9/3/2025 5:51 PM, Yan Zhao wrote: > > On Tue, Sep 02, 2025 at 10:56:25AM +0800, Binbin Wu wrote: > > > > > > On 8/7/2025 5:42 PM, Yan Zhao wrote: > > > > After removing or reclaiming a guest private page or a control page from a > > > > TD, zero the physical page using movdir64b(), enabling the kernel to reuse > > > > the pages. > > > > > > > > Introduce the function tdx_clear_folio() to zero out physical memory using > > > > movdir64b(), starting from the page at "start_idx" within a "folio" and > > > > spanning "npages" contiguous PFNs. > > > > > > > > Convert tdx_clear_page() to be a helper function to facilitate the > > > > zeroing of 4KB pages. > > > I think this sentence is outdated? > > No? tdx_clear_page() is still invoked to clear tdr_page. > > I didn't get the word "Convert". Ok. I wanted to express that tdx_clear_page() now is just a helper. Will rephrase it to "Make tdx_clear_page() to be a helper function to facilitate the zeroing of 4KB pages".