From: Souptick Joarder <jrdr.linux@gmail.com> To: boris.ostrovsky@oracle.com, jgross@suse.com, sstabellini@kernel.org Cc: xen-devel@lists.xenproject.org, linux-kernel@vger.kernel.org, Souptick Joarder <jrdr.linux@gmail.com>, John Hubbard <jhubbard@nvidia.com>, Paul Durrant <xadimgnik@gmail.com> Subject: [PATCH v3 2/3] xen/privcmd: Mark pages as dirty Date: Sun, 12 Jul 2020 09:09:54 +0530 [thread overview] Message-ID: <1594525195-28345-3-git-send-email-jrdr.linux@gmail.com> (raw) In-Reply-To: <1594525195-28345-1-git-send-email-jrdr.linux@gmail.com> pages need to be marked as dirty before unpinned it in unlock_pages() which was oversight. This is fixed now. Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com> Suggested-by: John Hubbard <jhubbard@nvidia.com> Reviewed-by: Juergen Gross <jgross@suse.com> Cc: John Hubbard <jhubbard@nvidia.com> Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com> Cc: Paul Durrant <xadimgnik@gmail.com> --- drivers/xen/privcmd.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/xen/privcmd.c b/drivers/xen/privcmd.c index b001673..079d35b 100644 --- a/drivers/xen/privcmd.c +++ b/drivers/xen/privcmd.c @@ -611,8 +611,11 @@ static void unlock_pages(struct page *pages[], unsigned int nr_pages) { unsigned int i; - for (i = 0; i < nr_pages; i++) + for (i = 0; i < nr_pages; i++) { + if (!PageDirty(pages[i])) + set_page_dirty_lock(pages[i]); put_page(pages[i]); + } } static long privcmd_ioctl_dm_op(struct file *file, void __user *udata) -- 1.9.1
WARNING: multiple messages have this Message-ID (diff)
From: Souptick Joarder <jrdr.linux@gmail.com> To: boris.ostrovsky@oracle.com, jgross@suse.com, sstabellini@kernel.org Cc: xen-devel@lists.xenproject.org, Paul Durrant <xadimgnik@gmail.com>, linux-kernel@vger.kernel.org, John Hubbard <jhubbard@nvidia.com>, Souptick Joarder <jrdr.linux@gmail.com> Subject: [PATCH v3 2/3] xen/privcmd: Mark pages as dirty Date: Sun, 12 Jul 2020 09:09:54 +0530 [thread overview] Message-ID: <1594525195-28345-3-git-send-email-jrdr.linux@gmail.com> (raw) In-Reply-To: <1594525195-28345-1-git-send-email-jrdr.linux@gmail.com> pages need to be marked as dirty before unpinned it in unlock_pages() which was oversight. This is fixed now. Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com> Suggested-by: John Hubbard <jhubbard@nvidia.com> Reviewed-by: Juergen Gross <jgross@suse.com> Cc: John Hubbard <jhubbard@nvidia.com> Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com> Cc: Paul Durrant <xadimgnik@gmail.com> --- drivers/xen/privcmd.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/xen/privcmd.c b/drivers/xen/privcmd.c index b001673..079d35b 100644 --- a/drivers/xen/privcmd.c +++ b/drivers/xen/privcmd.c @@ -611,8 +611,11 @@ static void unlock_pages(struct page *pages[], unsigned int nr_pages) { unsigned int i; - for (i = 0; i < nr_pages; i++) + for (i = 0; i < nr_pages; i++) { + if (!PageDirty(pages[i])) + set_page_dirty_lock(pages[i]); put_page(pages[i]); + } } static long privcmd_ioctl_dm_op(struct file *file, void __user *udata) -- 1.9.1
next prev parent reply other threads:[~2020-07-12 3:31 UTC|newest] Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-07-12 3:39 [PATCH v3 0/3] Few bug fixes and Convert to pin_user_pages*() Souptick Joarder 2020-07-12 3:39 ` Souptick Joarder 2020-07-12 3:39 ` [PATCH v3 1/3] xen/privcmd: Corrected error handling path Souptick Joarder 2020-07-12 3:39 ` Souptick Joarder 2020-07-13 8:08 ` Paul Durrant 2020-07-13 8:08 ` Paul Durrant 2020-07-12 3:39 ` Souptick Joarder [this message] 2020-07-12 3:39 ` [PATCH v3 2/3] xen/privcmd: Mark pages as dirty Souptick Joarder 2020-07-13 8:09 ` Paul Durrant 2020-07-13 8:09 ` Paul Durrant 2020-07-12 3:39 ` [PATCH v3 3/3] xen/privcmd: Convert get_user_pages*() to pin_user_pages*() Souptick Joarder 2020-07-12 3:39 ` Souptick Joarder 2020-07-13 8:10 ` Paul Durrant 2020-07-13 8:10 ` Paul Durrant 2020-07-28 7:10 ` [PATCH v3 0/3] Few bug fixes and Convert " Souptick Joarder 2020-07-28 7:10 ` Souptick Joarder 2020-07-28 7:38 ` Jürgen Groß 2020-07-28 7:38 ` Jürgen Groß 2020-08-03 5:44 ` Jürgen Groß 2020-08-03 5:44 ` Jürgen Groß
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=1594525195-28345-3-git-send-email-jrdr.linux@gmail.com \ --to=jrdr.linux@gmail.com \ --cc=boris.ostrovsky@oracle.com \ --cc=jgross@suse.com \ --cc=jhubbard@nvidia.com \ --cc=linux-kernel@vger.kernel.org \ --cc=sstabellini@kernel.org \ --cc=xadimgnik@gmail.com \ --cc=xen-devel@lists.xenproject.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.