Thread (92 messages) flat view 92 messages, 7 authors, 2022-11-22

Re: [PATCH v3 27/37] x86/shstk: Introduce routines modifying shstk

From: Peter Zijlstra <peterz@infradead.org>
Date: 2022-11-15 20:19:13
Also in: linux-arch, linux-doc, linux-mm, lkml

On Fri, Nov 04, 2022 at 03:35:54PM -0700, Rick Edgecombe wrote:
+static unsigned long get_user_shstk_addr(void)
+{
+	unsigned long long ssp;
+
+	fpregs_lock_and_load();
+
+	rdmsrl(MSR_IA32_PL3_SSP, ssp);
+
+	fpregs_unlock();
+
+	return ssp;
+}
This doesn't return the shstk addr, unlike what the name suggests,
right?
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help