On Wed Sep 25 19, Jarkko Sakkinen wrote:
On Wed, Sep 25, 2019 at 12:25:05PM +0200, Ard Biesheuvel wrote:On Wed, 25 Sep 2019 at 12:16, Jarkko Sakkinen <jarkko.sakkinen@xxxxxxxxxxxxxxx> wrote: > > From: Peter Jones <pjones@xxxxxxxxxx> > > Some machines generate a lot of event log entries. When we're > iterating over them, the code removes the old mapping and adds a > new one, so once we cross the page boundary we're unmapping the page > with the count on it. Hilarity ensues. > > This patch keeps the info from the header in local variables so we don't > need to access that page again or keep track of if it's mapped. > > Fixes: 44038bc514a2 ("tpm: Abstract crypto agile event size calculations") > Cc: linux-efi@xxxxxxxxxxxxxxx > Cc: linux-integrity@xxxxxxxxxxxxxxx > Cc: stable@xxxxxxxxxxxxxxx > Signed-off-by: Peter Jones <pjones@xxxxxxxxxx> > Tested-by: Lyude Paul <lyude@xxxxxxxxxx> > Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@xxxxxxxxxxxxxxx> > Acked-by: Matthew Garrett <mjg59@xxxxxxxxxx> > Acked-by: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx> > Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@xxxxxxxxxxxxxxx> Thanks Jarkko. Shall I take these through the EFI tree?Would be great, if you could because I already sent one PR with fixes for v5.4-rc1 yesterday. /Jarkko
My patch collides with this, so I will submit a v3 that applies on top of these once I've run a test with all 3 applied on this t480s.
